Weather in Sunderland for September 2025
Until now, September 2025 in Sunderland has been nearly identical to the historical average, with a temperature of 17.3 °C (showing only a slight deviation of -0.2 °C).
Expect cooler weather in the next days in Sunderland with the forecast suggesting a temperature of 14.6 °C, lower than the historical average.
In general, the average temperature in Sunderland at the beginning of September is 18.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.7 °C by the end of September.
The climate of Sunderland in September is notably wet, with an average of 14 rainy days, and a total of 60.8 mm of precipitation.
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Sunderland Weather September
Temperatures trend during September in Sunderland
September weather in Sunderland day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 17° /12° | 1.4 mm | 4 | |
| 2 Sept. | Patchy rain possible | 19° /13° | 1.7 mm | 4 | |
| 3 Sept. |  Partly cloudy | 19° /13° | 1.9 mm | 5 | |
| 4 Sept. |  Sunny | 19° /11° | 0.7 mm | 5 | |
| 5 Sept. | Sunny | 17° /12° | 0.3 mm | 4 | |
| 6 Sept. |  Cloudy | 19° /12° | 0 mm | 4 | |
| 7 Sept. | Partly cloudy | 19° /14° | 0.5 mm | 5 | |
| 8 Sept. | Partly cloudy | 18° /14° | 0.2 mm | 5 | |
| 9 Sept. | Patchy rain possible | 19° /13° | 1.2 mm | 4 | |
| 10 Sept. | Patchy rain possible | 18° /12° | 9.1 mm | 4 | |
| 11 Sept. |  Moderate rain | 16° /11° | 2.7 mm | 4 | |
| 12 Sept. | Patchy rain possible | 14° /10° | 0.2 mm | 3 | |
| 13 Sept. | Cloudy | 14° /8° | 1.3 mm | 3 | |
| 14 Sept. | Partly cloudy | 17° /10° | 1.1 mm | 4 | |
| 15 Sept. |  Overcast | 15° /11° | 0.3 mm | 4 | |
| 16 Sept. | Patchy rain possible | 18° /12° | 1.9 mm | 0.8 | |
| 17 Sept. | Patchy rain possible | 19° /12° | 2.1 mm | 0.5 | |
| 18 Sept. | Patchy rain possible | 19° /14° | 0.4 mm | 0.2 | |
| 19 Sept. | Patchy rain possible | 19° /15° | 3 mm | 0.2 | |
| 20 Sept. | Moderate rain | 17° /12° | 7.1 mm | 0.4 | |
| 21 Sept. | Patchy rain possible | 11° /10° | 3.9 mm | 3 | |
| 22 Sept. | Patchy rain possible | 13° /9° | 0.4 mm | 3 | |
| 23 Sept. | Patchy rain possible | 12° /10° | 0.5 mm | 3 | |
| 24 Sept. | Partly cloudy | 13° /8° | 0 mm | 4 | |
| 25 Sept. | Patchy rain possible | 13° /8° | 0.1 mm | 3 | |
| 26 Sept. | Patchy rain possible | 13° /10° | 0.1 mm | 3 | |
| 27 Sept. | Partly cloudy | 13° /8° | 0 mm | 4 | |
| 28 Sept. | Patchy rain possible | 11° /10° | 1.9 mm | 3 | |
| 29 Sept. | Patchy rain possible | 13° /11° | 0.2 mm | 3 | |
| 30 Sept. | Light rain shower | 13° /10° | 1.6 mm | 3 | |
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Sunderland in September - FAQ
September rainfall patterns in Sunderland
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