Windsor
September
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.
Windsor experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 37.9 mm.
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Temperatures
Rain 🌧️
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20
Dry days
10
Rainy days
0
Snow days
25°/16°
Temperatures
15 km/h
Avg max wind
66 %
Avg humidity
Windsor in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2 26° | 3  31° | 4  31° | 5  32° | 6  26° | 7 23° |
| 8 21° | 9 26° | 10 26° | 11 27° | 12  25° | 13  24° | 14 25° |
| 15 27° | 16 27° | 17 25° | 18 23° | 19 24° | 20 26° | 21 28° |
| 22 26° | 23 22° | 24 23° | 25  23° | 26 24° | 27 21° | 28  19° |
| 29 22° | 30 22° |
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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 | 25° /15° | 0.4 mm | 6 | |
| 2 Sept. | Mist | 26° /14° | 0 mm | 7 | |
| 3 Sept. | Overcast | 31° /17° | 0 mm | 7 | |
| 4 Sept. | Partly cloudy | 31° /18° | 0 mm | 8 | |
| 5 Sept. | Thundery outbreaks possible | 32° /20° | 0 mm | 7 | |
| 6 Sept. | Light rain shower | 26° /17° | 4.7 mm | 6 | |
| 7 Sept. | Light rain shower | 23° /15° | 2.1 mm | 5 | |
| 8 Sept. | Overcast | 21° /11° | 0 mm | 6 | |
| 9 Sept. | Partly cloudy | 26° /13° | 0 mm | 7 | |
| 10 Sept. | Overcast | 26° /16° | 0 mm | 7 | |
| 11 Sept. | Mist | 27° /15° | 0.7 mm | 6 | |
| 12 Sept. | Moderate or heavy rain shower | 25° /16° | 3.6 mm | 7 | |
| 13 Sept. | Cloudy | 24° /15° | 0 mm | 6 | |
| 14 Sept. | Cloudy | 25° /15° | 0 mm | 6 | |
| 15 Sept. | Cloudy | 27° /16° | 0 mm | 6 | |
| 16 Sept. | Mist | 27° /15° | 0.1 mm | 7 | |
| 17 Sept. | Overcast | 25° /15° | 0.9 mm | 6 | |
| 18 Sept. | Light rain shower | 23° /15° | 0.4 mm | 6 | |
| 19 Sept. | Mist | 24° /16° | 0 mm | 6 | |
| 20 Sept. | Thundery outbreaks possible | 26° /17° | 1.3 mm | 6 | |
| 21 Sept. | Cloudy | 28° /18° | 0 mm | 7 | |
| 22 Sept. | Thundery outbreaks possible | 26° /18° | 6.2 mm | 6 | |
| 23 Sept. | Mist | 22° /15° | 5.8 mm | 5 | |
| 24 Sept. | Cloudy | 23° /15° | 0 mm | 5 | |
| 25 Sept. | Light rain | 23° /17° | 1.3 mm | 5 | |
| 26 Sept. | Light rain shower | 24° /15° | 0.3 mm | 6 | |
| 27 Sept. | Light rain shower | 21° /14° | 1.2 mm | 5 | |
| 28 Sept. | Moderate or heavy rain with thunder | 19° /16° | 8.6 mm | 4 | |
| 29 Sept. | Fog | 22° /16° | 0.2 mm | 5 | |
| 30 Sept. | 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 37.9 mm across approximately 10 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 15 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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