Chichester
September
Weather in Chichester for September 2025
Your guide to Chichester weather in September - trends and predictions
The forecast for the first days of September 2025 in Chichester predicts temperatures to be around 19 °C, close to the historical average.
In general, the average temperature in Chichester at the beginning of September is 19 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.7 °C by the end of September.
Chichester experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 171.2 mm.
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Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
17°/13°
Temperatures
27 km/h
Avg max wind
78 %
Avg humidity
Chichester Weather September
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Temperatures trend during September in Chichester
See the weather trend as well as the moving average line
September weather in Chichester day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 19° /14° | 0.1 mm | 4 | |
| 2 Sept. | Patchy rain possible | 18° /13° | 0.1 mm | 4 | |
| 3 Sept. | Patchy rain possible | 20° /15° | 0.5 mm | 4 | |
| 4 Sept. | Patchy rain possible | 18° /13° | 0.6 mm | 4 | |
| 5 Sept. |  Partly cloudy | 18° /12° | 0 mm | 5 | |
| 6 Sept. |  Sunny | 19° /11° | 0 mm | 5 | |
| 7 Sept. | Partly cloudy | 21° /14° | 0 mm | 5 | |
| 8 Sept. | Sunny | 18° /12° | 0 mm | 5 | |
| 9 Sept. |  Overcast | 18° /12° | 0.2 mm | 4 | |
| 10 Sept. |  Moderate or heavy rain shower | 18° /12° | 4.4 mm | 4 | |
| 11 Sept. | Patchy rain possible | 14° /9° | 0.5 mm | 3 | |
| 12 Sept. |  Heavy rain at times | 13° /8° | 2.4 mm | 3 | |
| 13 Sept. | Partly cloudy | 15° /7° | 0 mm | 5 | |
| 14 Sept. | Sunny | 15° /8° | 0 mm | 5 | |
| 15 Sept. | Sunny | 17° /11° | 0 mm | 5 | |
| 16 Sept. | Patchy rain possible | 19° /12° | 0.4 mm | 4 | |
| 17 Sept. | Sunny | 19° /11° | 0 mm | 5 | |
| 18 Sept. |  Cloudy | 21° /14° | 0 mm | 5 | |
| 19 Sept. | Partly cloudy | 22° /15° | 0 mm | 6 | |
| 20 Sept. | Patchy rain possible | 20° /15° | 1.8 mm | 5 | |
| 21 Sept. | Overcast | 19° /15° | 2.3 mm | 4 | |
| 22 Sept. | Moderate or heavy rain shower | 17° /16° | 21.4 mm | 4 | |
| 23 Sept. | Moderate or heavy rain shower | 17° /15° | 12.2 mm | 4 | |
| 24 Sept. | Patchy rain possible | 17° /14° | 1.8 mm | 4 | |
| 25 Sept. | Moderate or heavy rain shower | 15° /13° | 10.6 mm | 4 | |
| 26 Sept. | Moderate or heavy rain shower | 16° /13° | 19.7 mm | 4 | |
| 27 Sept. | Patchy rain possible | 13° /9° | 5.1 mm | 3 | |
| 28 Sept. | Overcast | 13° /7° | 0 mm | 3 | |
| 29 Sept. | Patchy rain possible | 13° /11° | 10.5 mm | 3 | |
| 30 Sept. | Light rain shower | 16° /12° | 13.2 mm | 4 | |
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Important Notice
Our weather forecast for Chichester 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 Chichester forecast closer to your planned date for the most up-to-date weather information.
Change Month
Chichester in September - FAQ
What are the expected maximum and minimum temperatures in Chichester during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chichester during September?
Significant rainfall exceeding 171.2 mm is expected in Chichester during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chichester during September?
The average wind speed in Chichester during September is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Chichester
Explore the daily rainfall trends and prepare for Chichesters September weather 💧
UV exposure in Chichester during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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