Weather in Carshalton for September 2025
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Until now, September 2025 in Carshalton has been nearly identical to the historical average, with a temperature of 19.5 °C (showing only a slight deviation of 0.2 °C).
Expect cooler weather in the next days in Carshalton with the forecast suggesting a temperature of 17.8 °C, lower than the historical average.
In general, the average temperature in Carshalton at the beginning of September is 20.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15 °C by the end of September.
Carshalton in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 138.1 mm.
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Carshalton Weather September
Temperatures trend during September in Carshalton
September weather in Carshalton day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 23° /14° | 8 mm | 6 | |
| 2 Sept. | Light rain shower | 20° /14° | 3.1 mm | 5 | |
| 3 Sept. |  Patchy light drizzle | 22° /14° | 4 mm | 5 | |
| 4 Sept. | Light rain shower | 19° /12° | 6.9 mm | 4 | |
| 5 Sept. | Light rain shower | 19° /12° | 5.9 mm | 5 | |
| 6 Sept. | Light rain shower | 20° /13° | 3.3 mm | 5 | |
| 7 Sept. | Patchy rain possible | 22° /13° | 4 mm | 5 | |
| 8 Sept. | Light rain shower | 20° /13° | 8.1 mm | 5 | |
| 9 Sept. | Patchy rain possible | 19° /11° | 0 mm | 5 | |
| 10 Sept. | Light rain | 18° /11° | 3.3 mm | 4 | |
| 11 Sept. | Light drizzle | 16° /9° | 1.4 mm | 4 | |
| 12 Sept. | Light rain shower | 16° /8° | 1.7 mm | 4 | |
| 13 Sept. |  Cloudy | 16° /8° | 2.5 mm | 4 | |
| 14 Sept. |  Sunny | 17° /8° | 0.6 mm | 5 | |
| 15 Sept. | Patchy rain possible | 19° /13° | 0.7 mm | 1 | |
| 16 Sept. | Patchy rain possible | 18° /12° | 0.1 mm | 0.9 | |
| 17 Sept. | Patchy rain possible | 18° /12° | 4.1 mm | 0.2 | |
| 18 Sept. | Cloudy | 23° /16° | 0 mm | 0.9 | |
| 19 Sept. | Sunny | 25° /14° | 0 mm | 0.8 | |
| 20 Sept. | Patchy rain possible | 19° /15° | 0.4 mm | 4 | |
| 21 Sept. | Patchy rain possible | 17° /13° | 0.7 mm | 3 | |
| 22 Sept. | Patchy rain possible | 15° /12° | 1.4 mm | 3 | |
| 23 Sept. | Patchy rain possible | 18° /10° | 1.4 mm | 3 | |
| 24 Sept. | Patchy rain possible | 14° /10° | 2.4 mm | 3 | |
| 25 Sept. | Cloudy | 15° /9° | 0.1 mm | 3 | |
| 26 Sept. | Sunny | 16° /9° | 0 mm | 4 | |
| 27 Sept. | Sunny | 16° /8° | 0 mm | 4 | |
| 28 Sept. | Sunny | 16° /8° | 0 mm | 4 | |
| 29 Sept. | Patchy rain possible | 13° /8° | 0.8 mm | 3 | |
| 30 Sept. | Light rain shower | 15° /10° | 18.5 mm | 4 | |
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Carshalton in September - FAQ
September rainfall patterns in Carshalton
UV exposure in Carshalton during September
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Where is Carshalton?Get accurate weather forecasts for Carshalton, located at latitude 51.368 and longitude -0.168. Stay updated with localized weather information tailored for Carshalton.