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Daily / Monthly Weather History From This Station


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Daily Report for the month of September 2026



1 September Average and Extremes
Average temperature 18.2°C
Average humidity 96%
Average dewpoint 17.5°C
Average barometer 1011.3 mb
Average windspeed 0.1 km/h
Average gustspeed 0.6 km/h
Average direction 253° (WSW)
Rainfall for month0.8 mm
Rainfall for year468.4 mm
Maximum rain per minute0.2 mm on 01 at 05:58
Maximum temperature 19.7°C on 01 at 16:43
Minimum temperature 16.9°C on 01 at 00:00
Maximum humidity 97% on 01 at 15:03
Minimum humidity 94% on 01 at 17:22
Maximum pressure 1012.5 mb on 01 at 13:54
Minimum pressure 1010.0 mb on 01 at 21:51
Maximum windspeed 3.7 km/h on 01 at 16:28
Maximum gust speed 14.8 km/h from 228°(SW) on 01 at 13:47
Maximum heat index 19.7°C on 01 at 16:43
24 Hour Graph of this day is not available (20260901.gif)



2 September Average and Extremes
Average temperature 17.3°C
Average humidity 91%
Average dewpoint 15.8°C
Average barometer 1011.1 mb
Average windspeed 1.1 km/h
Average gustspeed 3.7 km/h
Average direction 235° (SW)
Rainfall for month1 mm
Rainfall for year468.6 mm
Maximum rain per minute0.2 mm on 02 at 05:38
Maximum temperature 22.2°C on 02 at 15:20
Minimum temperature 13.8°C on 02 at 07:00
Maximum humidity 98% on 02 at 23:59
Minimum humidity 73% on 02 at 15:24
Maximum pressure 1012.5 mb on 02 at 23:48
Minimum pressure 1010.0 mb on 02 at 06:23
Maximum windspeed 13.0 km/h on 02 at 17:14
Maximum gust speed 27.8 km/h from 216°(SW) on 02 at 16:59
Maximum heat index 23.2°C on 02 at 15:20
24 Hour Graph of this day is not available (20260902.gif)



3 September Average and Extremes
Average temperature 16.4°C
Average humidity 90%
Average dewpoint 14.8°C
Average barometer 1014.2 mb
Average windspeed 0.3 km/h
Average gustspeed 1.1 km/h
Average direction 241° (WSW)
Rainfall for month1 mm
Rainfall for year468.6 mm
Maximum rain per minute0 mm on 03 at 23:59
Maximum temperature 21.1°C on 03 at 14:27
Minimum temperature 11.7°C on 03 at 07:43
Maximum humidity 98% on 03 at 08:33
Minimum humidity 76% on 03 at 13:03
Maximum pressure 1016.1 mb on 03 at 23:49
Minimum pressure 1012.4 mb on 03 at 00:01
Maximum windspeed 7.4 km/h on 03 at 12:17
Maximum gust speed 16.7 km/h from 360°(N) on 03 at 15:09
Maximum heat index 22.1°C on 03 at 13:03

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4 September Average and Extremes
Average temperature 17.8°C
Average humidity 83%
Average dewpoint 14.6°C
Average barometer 1016.5 mb
Average windspeed 0.5 km/h
Average gustspeed 1.8 km/h
Average direction 12° (NNE)
Rainfall for month1 mm
Rainfall for year468.6 mm
Maximum rain per minute0 mm on 04 at 23:59
Maximum temperature 25.6°C on 04 at 16:22
Minimum temperature 11.8°C on 04 at 03:44
Maximum humidity 96% on 04 at 08:37
Minimum humidity 54% on 04 at 18:33
Maximum pressure 1017.5 mb on 04 at 11:11
Minimum pressure 1015.5 mb on 04 at 04:22
Maximum windspeed 13.0 km/h on 04 at 15:36
Maximum gust speed 20.4 km/h from 360°(N) on 04 at 15:11
Maximum heat index 26.6°C on 04 at 16:21

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5 September Average and Extremes
Average temperature 17.5°C
Average humidity 81%
Average dewpoint 13.7°C
Average barometer 1018.4 mb
Average windspeed 0.4 km/h
Average gustspeed 1.5 km/h
Average direction 359° (N)
Rainfall for month1.2 mm
Rainfall for year468.8 mm
Maximum rain per minute0.2 mm on 05 at 06:42
Maximum temperature 26.5°C on 05 at 15:02
Minimum temperature 11.1°C on 05 at 06:18
Maximum humidity 96% on 05 at 08:30
Minimum humidity 49% on 05 at 14:42
Maximum pressure 1019.7 mb on 05 at 12:05
Minimum pressure 1017.2 mb on 05 at 00:13
Maximum windspeed 9.3 km/h on 05 at 14:42
Maximum gust speed 16.7 km/h from 360°(N) on 05 at 17:27
Maximum heat index 27.2°C on 05 at 15:07

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6 September Average and Extremes
Average temperature 15.7°C
Average humidity 87%
Average dewpoint 13.4°C
Average barometer 1020.5 mb
Average windspeed 0.8 km/h
Average gustspeed 2.8 km/h
Average direction 15° (NNE)
Rainfall for month1.2 mm
Rainfall for year468.8 mm
Maximum rain per minute0 mm on 06 at 23:59
Maximum temperature 21.6°C on 06 at 15:31
Minimum temperature 8.8°C on 06 at 07:21
Maximum humidity 97% on 06 at 06:46
Minimum humidity 66% on 06 at 12:19
Maximum pressure 1021.9 mb on 06 at 11:50
Minimum pressure 1019.4 mb on 06 at 00:01
Maximum windspeed 9.3 km/h on 06 at 17:39
Maximum gust speed 20.4 km/h from 360°(N) on 06 at 16:54
Maximum heat index 23.8°C on 06 at 12:18

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7 September Average and Extremes
Average temperature 16.6°C
Average humidity 86%
Average dewpoint 14.1°C
Average barometer 1022.0 mb
Average windspeed 0.0 km/h
Average gustspeed 0.0 km/h
Average direction 3° (N)
Rainfall for month1.2 mm
Rainfall for year468.8 mm
Maximum rain per minute0 mm on 07 at 23:59
Maximum temperature 24.2°C on 07 at 14:46
Minimum temperature 9.8°C on 07 at 07:06
Maximum humidity 96% on 07 at 10:01
Minimum humidity 65% on 07 at 14:51
Maximum pressure 1023.0 mb on 07 at 13:01
Minimum pressure 1020.3 mb on 07 at 00:03
Maximum windspeed 1.9 km/h on 07 at 23:53
Maximum gust speed 7.4 km/h from 049°(NE) on 07 at 23:51
Maximum heat index 25.2°C on 07 at 14:44

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8 September Average and Extremes
Average temperature 18.1°C
Average humidity 88%
Average dewpoint 16.0°C
Average barometer 1018.0 mb
Average windspeed 1.1 km/h
Average gustspeed 4.5 km/h
Average direction 37° (NE)
Rainfall for month3.4 mm
Rainfall for year471 mm
Maximum rain per minute0.4 mm on 08 at 21:29
Maximum temperature 21.2°C on 08 at 17:12
Minimum temperature 15.7°C on 08 at 07:29
Maximum humidity 94% on 08 at 08:38
Minimum humidity 78% on 08 at 23:58
Maximum pressure 1022.3 mb on 08 at 01:19
Minimum pressure 1011.1 mb on 08 at 23:52
Maximum windspeed 11.1 km/h on 08 at 22:53
Maximum gust speed 33.3 km/h from 118°(ESE) on 08 at 22:53
Maximum heat index 21.7°C on 08 at 23:58

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9 September Average and Extremes
Average temperature 18.7°C
Average humidity 83%
Average dewpoint 15.8°C
Average barometer 1006.9 mb
Average windspeed 10.2 km/h
Average gustspeed 23.6 km/h
Average direction 306° (NW)
Rainfall for month3.4 mm
Rainfall for year471 mm
Maximum rain per minute0 mm on 09 at 23:59
Maximum temperature 21.1°C on 09 at 02:43
Minimum temperature 11.3°C on 09 at 23:59
Maximum humidity 94% on 09 at 08:14
Minimum humidity 76% on 09 at 14:22
Maximum pressure 1011.3 mb on 09 at 00:03
Minimum pressure 1005.1 mb on 09 at 14:31
Maximum windspeed 24.1 km/h on 09 at 18:08
Maximum gust speed 53.7 km/h from 360°(N) on 09 at 13:10
Maximum heat index 22.1°C on 09 at 13:17

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10 September Average and Extremes
Average temperature 11.9°C
Average humidity 81%
Average dewpoint 8.5°C
Average barometer 1013.1 mb
Average windspeed 1.8 km/h
Average gustspeed 5.1 km/h
Average direction 315° (NW)
Rainfall for month3.4 mm
Rainfall for year471 mm
Maximum rain per minute0 mm on 10 at 23:59
Maximum temperature 17.1°C on 10 at 15:36
Minimum temperature 6.7°C on 10 at 23:59
Maximum humidity 95% on 10 at 08:46
Minimum humidity 57% on 10 at 14:38
Maximum pressure 1015.5 mb on 10 at 12:19
Minimum pressure 1008.4 mb on 10 at 00:08
Maximum windspeed 13.0 km/h on 10 at 17:59
Maximum gust speed 31.5 km/h from 360°(N) on 10 at 16:37
Maximum heat index 17.1°C on 10 at 15:36

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11 September Average and Extremes
Average temperature 15.7°C
Average humidity 78%
Average dewpoint 11.3°C
Average barometer 1012.5 mb
Average windspeed 2.9 km/h
Average gustspeed 9.1 km/h
Average direction 333° (NNW)
Rainfall for month3.4 mm
Rainfall for year471 mm
Maximum rain per minute0 mm on 11 at 23:59
Maximum temperature 25.1°C on 11 at 16:08
Minimum temperature 5.9°C on 11 at 06:57
Maximum humidity 96% on 11 at 09:29
Minimum humidity 51% on 11 at 15:13
Maximum pressure 1015.4 mb on 11 at 01:43
Minimum pressure 1008.5 mb on 11 at 23:49
Maximum windspeed 18.5 km/h on 11 at 14:08
Maximum gust speed 44.4 km/h from 360°(N) on 11 at 23:37
Maximum heat index 26.0°C on 11 at 16:08

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12 September Average and Extremes
Average temperature 18.7°C
Average humidity 80%
Average dewpoint 15.1°C
Average barometer 1006.0 mb
Average windspeed 7.7 km/h
Average gustspeed 20.1 km/h
Average direction 332° (NNW)
Rainfall for month3.4 mm
Rainfall for year471 mm
Maximum rain per minute0 mm on 12 at 23:59
Maximum temperature 21.2°C on 12 at 03:21
Minimum temperature 12.7°C on 12 at 23:59
Maximum humidity 93% on 12 at 23:59
Minimum humidity 63% on 12 at 03:17
Maximum pressure 1009.3 mb on 12 at 23:59
Minimum pressure 1002.7 mb on 12 at 12:59
Maximum windspeed 24.1 km/h on 12 at 11:47
Maximum gust speed 48.1 km/h from 360°(N) on 12 at 13:21
Maximum heat index 24.1°C on 12 at 03:17

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13 September Average and Extremes
Average temperature 13.4°C
Average humidity 83%
Average dewpoint 10.5°C
Average barometer 1012.3 mb
Average windspeed 0.7 km/h
Average gustspeed 2.7 km/h
Average direction 288° (WNW)
Rainfall for month5 mm
Rainfall for year472.6 mm
Maximum rain per minute0.2 mm on 13 at 16:11
Maximum temperature 18.1°C on 13 at 14:42
Minimum temperature 5.6°C on 13 at 23:59
Maximum humidity 94% on 13 at 08:36
Minimum humidity 57% on 13 at 14:39
Maximum pressure 1018.9 mb on 13 at 23:56
Minimum pressure 1009.3 mb on 13 at 00:02
Maximum windspeed 18.5 km/h on 13 at 16:07
Maximum gust speed 40.7 km/h from 360°(N) on 13 at 16:07
Maximum heat index 18.1°C on 13 at 14:42

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Average and Extremes for Month of September 2026 up to day 13
Average temperature 16.6°C
Average humidity 85%
Average dewpoint 13.9°C
Average barometer 1014.1 mb
Average windspeed 2.1 km/h
Average gustspeed 5.9 km/h
Average direction 321° (NW)
Rainfall for month5 mm
Rainfall for year472.6 mm
Maximum rain per minute0.4 mm on 08 at 21:29
Maximum temperature 26.5°C on 05 at 15:02
Minimum temperature 5.5°C on 14 at 00:06
Maximum humidity 98% on 03 at 08:33
Minimum humidity 49% on 05 at 14:42
Maximum pressure 1023.0 mb on 07 at 13:01
Minimum pressure 1002.7 mb on 12 at 12:59
Maximum windspeed 24.1 kmh from 233°(SW) on 12 at 11:47
Maximum gust speed 53.7 km/h from 315°(NW) on 09 at 13:10
Maximum heat index 27.2°C on 05 at 15:07
Avg daily max temp21.9°C
Avg daily min temp10.9°C
Growing degrees days :89.7GDD
Corn growing degrees days:293.4 GDD


Day, Sunshine Hours, ET, Max Solar, UV
01 00:00hrs ET :0.9 mm 318.0 W/m² 0.0 uv
02 06:12hrs ET :3.0 mm 914.0 W/m² 0.0 uv
03 03:48hrs ET :2.5 mm 1144.0 W/m² 4.0 uv
04 05:30hrs ET :2.5 mm 960.0 W/m² 0.0 uv
05 10:30hrs ET :3.2 mm 812.0 W/m² 2.8 uv
06 10:06hrs ET :2.7 mm 823.0 W/m² 1.5 uv
07 03:24hrs ET :1.9 mm 942.0 W/m² 0.0 uv
08 00:00hrs ET :0.8 mm 167.0 W/m² 0.0 uv
09 06:36hrs ET :2.9 mm 949.0 W/m² 0.0 uv
10 05:42hrs ET :2.6 mm 967.0 W/m² 0.0 uv
11 06:48hrs ET :3.2 mm 946.0 W/m² 0.8 uv
12 02:30hrs ET :1.5 mm 761.0 W/m² 0.0 uv
13 02:12hrs ET :1.3 mm 882.0 W/m² 2.6 uv


Daily Rain Totals
00.8 mm on 1
00.2 mm on 2
00.2 mm on 5
02.2 mm on 8
01.6 mm on 13




Random Weather Facts

Canadian Facts and Trivia - THE CLIMATE
High heat and humidity go a long way to explaining Windsor’s place atop this list.

The extreme southwestern Ontario city sees an average 33.24 days with a thunderstorm per year.