Chester
September
Weather in Chester for September 2025
Your guide to Chester weather in September - trends and predictions
In general, the average temperature in Chester 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 Chester during September, with an average of 19 rainy days.
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11
Dry days
19
Rainy days
0
Snow days
20°/12°
Temperatures
19 km/h
Avg max wind
79 %
Avg humidity
Chester in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  21° | 3  21° | 4  21° | 5  21° | 6 26° | 7 25° |
| 8 24° | 9  22° | 10 20° | 11 16° | 12  14° | 13 16° | 14  18° |
| 15 19° | 16 17° | 17  20° | 18 18° | 19 19° | 20 19° | 21 19° |
| 22 15° | 23 15° | 24 16° | 25 16° | 26 15° | 27 15° | 28 14° |
| 29 15° | 30 13° |
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Temperatures trend during September in Chester
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 drizzle | 19° /12° | 1.7 mm | 5 | |
| 2 Sept. | Patchy rain possible | 21° /12° | 3.3 mm | 5 | |
| 3 Sept. | Overcast | 21° /12° | 0 mm | 5 | |
| 4 Sept. | Partly cloudy | 21° /10° | 0.2 mm | 6 | |
| 5 Sept. | Sunny | 21° /11° | 1.9 mm | 6 | |
| 6 Sept. | Overcast | 26° /13° | 0 mm | 7 | |
| 7 Sept. | Light rain shower | 25° /15° | 1 mm | 6 | |
| 8 Sept. | Patchy rain possible | 24° /15° | 7.2 mm | 5 | |
| 9 Sept. | Moderate rain at times | 22° /13° | 4.8 mm | 5 | |
| 10 Sept. | Light rain shower | 20° /12° | 4.7 mm | 5 | |
| 11 Sept. | Light rain shower | 16° /11° | 5.8 mm | 4 | |
| 12 Sept. | Mist | 14° /9° | 7.9 mm | 4 | |
| 13 Sept. | Overcast | 16° /6° | 0 mm | 4 | |
| 14 Sept. | Cloudy | 18° /10° | 0 mm | 4 | |
| 15 Sept. | Mist | 19° /11° | 0.8 mm | 5 | |
| 16 Sept. | Overcast | 17° /10° | 0.4 mm | 5 | |
| 17 Sept. | Moderate rain | 20° /10° | 7.2 mm | 5 | |
| 18 Sept. | Light rain shower | 18° /9° | 1.9 mm | 5 | |
| 19 Sept. | Light rain shower | 19° /10° | 2.1 mm | 5 | |
| 20 Sept. | Light rain shower | 19° /9° | 4.6 mm | 5 | |
| 21 Sept. | Light drizzle | 19° /9° | 6 mm | 5 | |
| 22 Sept. | Light rain shower | 15° /9° | 6.7 mm | 4 | |
| 23 Sept. | Patchy rain possible | 15° /11° | 2.6 mm | 4 | |
| 24 Sept. | Light drizzle | 16° /10° | 3.4 mm | 4 | |
| 25 Sept. | Patchy rain possible | 16° /9° | 5.3 mm | 4 | |
| 26 Sept. | Light rain shower | 15° /9° | 12.2 mm | 4 | |
| 27 Sept. | Light rain shower | 15° /8° | 2 mm | 4 | |
| 28 Sept. | Light rain shower | 14° /9° | 1.6 mm | 4 | |
| 29 Sept. | Sunny | 15° /7° | 3.1 mm | 4 | |
| 30 Sept. | Light rain | 13° /9° | 17.7 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.
Chester in September - FAQ
What are the expected maximum and minimum temperatures in Chester during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chester during September?
Moderate rainfall is anticipated in Chester during September, with a total of 87.7 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Chester during September?
The average wind speed in Chester during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
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