Chester
September
Weather in Chester for September 2026
Your guide to Chester weather in September - trends and predictions
In general, the average temperature in Chester at the beginning of September is 21.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.1 °C by the end of September.
Chester experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 116.2 mm.
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Temperatures
Rain 🌧️
More
7
Dry days
23
Rainy days
0
Snow days
18°/11°
Temperatures
18 km/h
Avg max wind
79 %
Avg humidity
Chester Weather September
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Temperatures trend during September in Chester
See the weather trend as well as the moving average line
September weather in Chester day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light drizzle | 19° /12° | 1.7 mm | 4 | |
| 2 Sept. |  Patchy rain possible | 21° /11° | 2.5 mm | 5 | |
| 3 Sept. |  Overcast | 20° /12° | 2.4 mm | 4 | |
| 4 Sept. |  Partly cloudy | 21° /10° | 0.9 mm | 5 | |
| 5 Sept. |  Sunny | 21° /10° | 1.3 mm | 5 | |
| 6 Sept. | Overcast | 25° /12° | 0 mm | 6 | |
| 7 Sept. | Light rain shower | 24° /14° | 1.6 mm | 5 | |
| 8 Sept. | Patchy rain possible | 23° /13° | 4.8 mm | 5 | |
| 9 Sept. |  Moderate rain at times | 22° /11° | 3.2 mm | 5 | |
| 10 Sept. | Light rain shower | 20° /11° | 3.7 mm | 5 | |
| 11 Sept. | Light rain shower | 16° /10° | 4.4 mm | 4 | |
| 12 Sept. | Patchy rain possible | 15° /9° | 5.4 mm | 4 | |
| 13 Sept. | Overcast | 16° /7° | 2.3 mm | 4 | |
| 14 Sept. |  Cloudy | 17° /9° | 4 mm | 4 | |
| 15 Sept. |  Mist | 18° /11° | 1.1 mm | 4 | |
| 16 Sept. | Overcast | 17° /10° | 0.4 mm | 4 | |
| 17 Sept. |  Moderate rain | 20° /10° | 7.7 mm | 5 | |
| 18 Sept. | Light rain shower | 19° /10° | 2.1 mm | 5 | |
| 19 Sept. | Overcast | 21° /11° | 1.4 mm | 5 | |
| 20 Sept. | Light rain shower | 19° /9° | 9.8 mm | 4 | |
| 21 Sept. | Light drizzle | 17° /8° | 4.3 mm | 4 | |
| 22 Sept. | Light rain shower | 15° /7° | 4.5 mm | 4 | |
| 23 Sept. | Patchy rain possible | 15° /9° | 1.7 mm | 4 | |
| 24 Sept. | Patchy rain possible | 16° /8° | 2.3 mm | 4 | |
| 25 Sept. | Patchy rain possible | 16° /8° | 3.6 mm | 4 | |
| 26 Sept. | Light rain shower | 15° /8° | 8.1 mm | 4 | |
| 27 Sept. | Light rain shower | 14° /9° | 1.9 mm | 3 | |
| 28 Sept. | Light rain shower | 15° /8° | 1.1 mm | 4 | |
| 29 Sept. | Sunny | 15° /7° | 2.1 mm | 4 | |
| 30 Sept. | Light rain | 15° /8° | 11.8 mm | 4 | |
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Important Notice
Our weather forecast for Chester 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 Chester forecast closer to your planned date for the most up-to-date weather information.
Change Month
Chester in September - FAQ
What are the expected maximum and minimum temperatures in Chester during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chester during September?
Significant rainfall exceeding 116.2 mm is expected in Chester during September, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chester during September?
The average wind speed in Chester during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Chester
Explore the daily rainfall trends and prepare for Chesters September weather 💧
Typically, Chester has 23 rainy days in September with a total of 116.2 mm of rainfall.
UV exposure in Chester during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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