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Weather in Windsor for September 2025

Your guide to Windsor weather in September - trends and predictions
  • In general, the average temperature in Windsor at the beginning of September is 27.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22 °C by the end of September.

  • The climate of Windsor in September is notably wet, with an average of 12 rainy days.

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Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/16°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Windsor in September average weather

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Temperatures trend during September in Windsor

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Mist
Mist
25° /15° 0.4 mm 6
2 Sept. Mist
Mist
26° /14° 0 mm 7
3 Sept. Overcast
Overcast
31° /17° 0 mm 7
4 Sept. Partly cloudy
Partly cloudy
31° /18° 0 mm 8
5 Sept. Thundery outbreaks possible
Thundery outbreaks possible
32° /20° 0 mm 7
6 Sept. Light rain shower
Light rain shower
26° /17° 4.7 mm 6
7 Sept. Light rain shower
Light rain shower
23° /15° 2.1 mm 5
8 Sept. Overcast
Overcast
21° /11° 0 mm 6
9 Sept. Partly cloudy
Partly cloudy
26° /13° 0 mm 7
10 Sept. Overcast
Overcast
26° /16° 0 mm 7
11 Sept. Mist
Mist
27° /15° 0.7 mm 6
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /16° 3.6 mm 7
13 Sept. Cloudy
Cloudy
24° /15° 0 mm 6
14 Sept. Cloudy
Cloudy
25° /15° 0 mm 6
15 Sept. Cloudy
Cloudy
27° /16° 0 mm 6
16 Sept. Mist
Mist
27° /15° 0.1 mm 7
17 Sept. Overcast
Overcast
25° /15° 0.9 mm 6
18 Sept. Light rain shower
Light rain shower
23° /15° 0.4 mm 6
19 Sept. Mist
Mist
24° /16° 0 mm 6
20 Sept. Thundery outbreaks possible
Thundery outbreaks possible
26° /17° 1.3 mm 6
21 Sept. Cloudy
Cloudy
28° /18° 0 mm 7
22 Sept. Thundery outbreaks possible
Thundery outbreaks possible
26° /18° 6.2 mm 6
23 Sept. Mist
Mist
22° /15° 5.8 mm 5
24 Sept. Cloudy
Cloudy
23° /15° 0 mm 5
25 Sept. Light rain
Light rain
23° /17° 1.3 mm 5
26 Sept. Light rain shower
Light rain shower
24° /15° 0.3 mm 6
27 Sept. Light rain shower
Light rain shower
21° /14° 1.2 mm 5
28 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
19° /16° 8.6 mm 4
29 Sept. Fog
Fog
22° /16° 0.2 mm 5
30 Sept. Mist
Mist
22° /16° 0 mm 5
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Important Notice
Our weather forecast for Windsor in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Windsor forecast closer to your planned date for the most up-to-date weather information.

Windsor in September - FAQ

What are the expected maximum and minimum temperatures in Windsor during September?
During September, expect a variety of temperatures with highs around 25° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Windsor during September?
In September, Windsor can expect light to moderate rainfall, totaling 43.4 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Windsor during September?
The average wind speed in Windsor during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Windsor

Explore the daily rainfall trends and prepare for Windsors September weather 💧

UV exposure in Windsor during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Windsor?

Get accurate weather forecasts for Windsor, located at latitude 42.3 and longitude -83.017. Stay updated with localized weather information tailored for Windsor.

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