Measurements:
°C
°F
Windsor
30°F
E 11 mph
Feels like: 20°F
Precip: 0%
World Resorts Canada Windsor Weather September Weather in Windsor

Windsor Weather: September

Average Day Temperature: 77.2°F
Average Night Temperature: 63.8°F
Sea Water Temperature: 71.9°F
Number of Sunny Days: 16 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.5 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 91°F. The lowest night temperature was 54°F. The average values for day and night temperatures during September were 79.5°F и 61.3°F respectivly.

Windsor Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Windsor was 70.6°F. The maximum and minimum values were 66.8°F and 72.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Windsor is 0.5 in. It makes september the least rainy month of the year.

Wind Speed in September, mph

The average wind speed in September is 7.0 mph. It makes September one of the most windless months of the year for Windsor.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Windsor in September is 8.4 hours.

Best Time to Visit Windsor
The most sunny months:
September 16 days
August 15 days
July 13 days
The most warm months:
July 85.3 °F
August 83.8 °F
June 80.8 °F
Warmest sea temperature:
August 77.2 °F
July 76.3 °F
September 71.9 °F
The most cold months:
January 27.6 °F
February 29.3 °F
December 34.5 °F
The most rainy months:
July 3 days
May 2 days
June 2 days
The most windy months:
March 9 mph
November 9 mph
April 9 mph

Windsor on the Weather Map

Canada Resorts:
NAME
Halifax +30
Kingston +36
Montreal +30
Niagara Falls +32
Ottawa +28
Prince Edward Island +26
Quebec +18
Saint John +30
St. John's +30
Sydney +26
Toronto +30
Vancouver +44
Victoria +44
Winnipeg -12
Yellowknife -12
24 Hours Weather Forecast
Windsor
Local time: 02:17
11 jan, sunday
0300 30°F
E
11 mph
0600 28°F
E
11 mph
0900 26°F
E
14 mph
1200 28°F
E
16 mph
1500 32°F
SE
16 mph
1800 34°F
SE
12 mph
2100 26°F
E
11 mph
12 jan, monday
0000 24°F
E
8 mph