Chesterfield
September
Weather in Chesterfield for September 2025
Your guide to Chesterfield weather in September - trends and predictions
In general, the average temperature in Chesterfield at the beginning of September is 22 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.9 °C by the end of September.
Expect significant rainfall in Chesterfield during September, with an average of 17 rainy days.
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13
Dry days
17
Rainy days
0
Snow days
20°/11°
Temperatures
22 km/h
Avg max wind
78 %
Avg humidity
Chesterfield in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2 22° | 3  21° | 4  21° | 5 21° | 6 26° | 7 25° |
| 8  25° | 9 22° | 10 21° | 11 17° | 12  15° | 13 16° | 14 18° |
| 15 19° | 16  17° | 17 20° | 18 18° | 19 19° | 20 18° | 21 19° |
| 22 17° | 23 14° | 24 16° | 25 16° | 26 17° | 27 14° | 28 14° |
| 29 14° | 30 13° |
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Temperatures trend during September in Chesterfield
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. | Light rain shower | 18° /11° | 3.4 mm | 4 | |
| 2 Sept. | Light rain shower | 22° /12° | 1.8 mm | 5 | |
| 3 Sept. | Overcast | 21° /11° | 0.2 mm | 5 | |
| 4 Sept. | Sunny | 21° /11° | 0 mm | 6 | |
| 5 Sept. | Sunny | 21° /11° | 0.4 mm | 6 | |
| 6 Sept. | Overcast | 26° /13° | 0 mm | 6 | |
| 7 Sept. | Overcast | 25° /15° | 0.1 mm | 6 | |
| 8 Sept. | Partly cloudy | 25° /14° | 0.3 mm | 6 | |
| 9 Sept. | Sunny | 22° /12° | 2.8 mm | 6 | |
| 10 Sept. | Light rain shower | 21° /12° | 1.5 mm | 5 | |
| 11 Sept. | Light rain shower | 17° /11° | 1.4 mm | 4 | |
| 12 Sept. | Mist | 15° /8° | 7.9 mm | 4 | |
| 13 Sept. | Overcast | 16° /6° | 0 mm | 4 | |
| 14 Sept. | Overcast | 18° /9° | 0 mm | 4 | |
| 15 Sept. | Overcast | 19° /9° | 0.5 mm | 5 | |
| 16 Sept. | Light drizzle | 17° /10° | 0.4 mm | 5 | |
| 17 Sept. | Light rain | 20° /9° | 1.6 mm | 5 | |
| 18 Sept. | Light rain shower | 18° /9° | 1.4 mm | 4 | |
| 19 Sept. | Light rain shower | 19° /9° | 1.8 mm | 5 | |
| 20 Sept. | Light rain shower | 18° /10° | 4.3 mm | 5 | |
| 21 Sept. | Light rain shower | 19° /9° | 3.8 mm | 5 | |
| 22 Sept. | Patchy rain possible | 17° /8° | 0.9 mm | 4 | |
| 23 Sept. | Patchy rain possible | 14° /10° | 5.1 mm | 3 | |
| 24 Sept. | Light drizzle | 16° /9° | 1.8 mm | 4 | |
| 25 Sept. | Overcast | 16° /8° | 5 mm | 4 | |
| 26 Sept. | Patchy light drizzle | 17° /9° | 5.5 mm | 4 | |
| 27 Sept. | Light rain | 14° /7° | 1.3 mm | 4 | |
| 28 Sept. | Light drizzle | 14° /7° | 0.9 mm | 4 | |
| 29 Sept. | Partly cloudy | 14° /7° | 2.2 mm | 4 | |
| 30 Sept. | Light rain | 13° /8° | 9.7 mm | 3 | |
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Important Notice
Our weather forecast for Chesterfield 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 Chesterfield forecast closer to your planned date for the most up-to-date weather information.
Chesterfield in September - FAQ
What are the expected maximum and minimum temperatures in Chesterfield during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chesterfield during September?
Moderate rainfall is anticipated in Chesterfield during September, with a total of 55.9 mm spread over approximately 17 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Chesterfield during September?
The average wind speed in Chesterfield during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
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