Weather in Chichester for September 2026
Until now, September 2026 in Chichester has been nearly identical to the historical average, with a temperature of 19.3 °C (showing only a slight deviation of 0.1 °C).
The forecast for the next days 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 19.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.7 °C by the end of September.
Chichester experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 113.4 mm.
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Chichester Weather September
Temperatures trend during September in Chichester
September weather in Chichester day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Heavy rain at times | 21° /15° | 1.3 mm | 4 | |
| 2 Sept. |  Moderate or heavy rain shower | 19° /15° | 4.1 mm | 3 | |
| 3 Sept. |  Patchy rain possible | 20° /16° | 2.5 mm | 3 | |
| 4 Sept. | Patchy rain possible | 20° /14° | 2.6 mm | 3 | |
| 5 Sept. | Moderate or heavy rain shower | 19° /13° | 9.1 mm | 4 | |
| 6 Sept. |  Overcast | 19° /15° | 6.8 mm | 4 | |
| 7 Sept. | Moderate or heavy rain shower | 21° /15° | 1.6 mm | 4 | |
| 8 Sept. | Moderate rain at times | 18° /14° | 8.2 mm | 4 | |
| 9 Sept. | Overcast | 18° /12° | 0.1 mm | 4 | |
| 10 Sept. | Moderate or heavy rain shower | 18° /13° | 3.6 mm | 3 | |
| 11 Sept. |  Sunny | 21° /17° | 2.9 mm | 4.3 | |
| 12 Sept. | Sunny | 20° /15° | 0.4 mm | 4.3 | |
| 13 Sept. | Overcast | 21° /18° | 25.1 mm | 3.7 | |
| 14 Sept. | Sunny | 21° /16° | 0 mm | 4.3 | |
| 15 Sept. | Sunny | 21° /16° | 0.1 mm | 6 | |
| 16 Sept. | Sunny | 19° /14° | 0 mm | 4 | |
| 17 Sept. | Overcast | 17° /13° | 0.3 mm | 4 | |
| 18 Sept. | Patchy rain possible | 18° /15° | 0.6 mm | 4 | |
| 19 Sept. | Sunny | 19° /13° | 1.8 mm | 5 | |
| 20 Sept. | Sunny | 18° /14° | 0 mm | 5 | |
| 21 Sept. | Sunny | 18° /12° | 0 mm | 5 | |
| 22 Sept. | Sunny | 19° /10° | 0 mm | 5 | |
| 23 Sept. |  Cloudy | 20° /14° | 0 mm | 4 | |
| 24 Sept. |  Partly cloudy | 19° /14° | 0.3 mm | 5 | |
| 25 Sept. | Moderate or heavy rain shower | 16° /11° | 5.3 mm | 5 | |
| 26 Sept. | Moderate or heavy rain shower | 15° /11° | 9.9 mm | 4 | |
| 27 Sept. | Patchy rain possible | 14° /10° | 2.8 mm | 4 | |
| 28 Sept. | Overcast | 15° /10° | 0 mm | 4 | |
| 29 Sept. | Patchy rain possible | 15° /11° | 5.2 mm | 4 | |
| 30 Sept. | Light rain shower | 16° /11° | 6.6 mm | 5 | |
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Chichester in September - FAQ
What are the expected maximum and minimum temperatures in Chichester during September?
How much rainfall should be expected in Chichester during September?
What are the typical wind conditions in Chichester during September?
September rainfall patterns in Chichester
UV exposure in Chichester during September
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