Weather in Southport for September 2026
Until now, September 2026 in Southport has been nearly identical to the historical average, with a temperature of 17.4 °C (showing only a slight deviation of 0.5 °C).
The forecast for the next days in Southport predicts temperatures to be around 19 °C, close to the historical average.
In general, the average temperature in Southport at the beginning of September is 19.4 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 19.6 °C by the end of September.
Southport experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 106.6 mm.
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Southport Weather September
Temperatures trend during September in Southport
September weather in Southport day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 18° /13° | 3.6 mm | 4 | |
| 2 Sept. | Patchy rain possible | 19° /13° | 2.5 mm | 4 | |
| 3 Sept. | Patchy rain possible | 18° /13° | 5.6 mm | 4 | |
| 4 Sept. | Patchy rain possible | 19° /12° | 1.9 mm | 4 | |
| 5 Sept. | Patchy rain possible | 19° /13° | 0.3 mm | 4 | |
| 6 Sept. |  Overcast | 22° /13° | 1.5 mm | 5 | |
| 7 Sept. | Light rain shower | 21° /15° | 3.6 mm | 4 | |
| 8 Sept. | Patchy rain possible | 19° /14° | 2.3 mm | 4 | |
| 9 Sept. | Patchy rain possible | 18° /13° | 1 mm | 4 | |
| 10 Sept. |  Moderate or heavy rain shower | 18° /12° | 5.5 mm | 3 | |
| 11 Sept. | Light rain shower | 15° /12° | 6.8 mm | 3 | |
| 12 Sept. | Light rain shower | 15° /11° | 3.7 mm | 3 | |
| 13 Sept. | Patchy rain possible | 16° /10° | 4.9 mm | 3 | |
| 14 Sept. | Overcast | 17° /11° | 2 mm | 3 | |
| 15 Sept. |  Partly cloudy | 17° /13° | 5.6 mm | 3 | |
| 16 Sept. | Patchy rain possible | 16° /12° | 2.8 mm | 4 | |
| 17 Sept. |  Moderate rain | 19° /11° | 7.3 mm | 4 | |
| 18 Sept. | Patchy rain possible | 17° /13° | 7 mm | 1.7 | |
| 19 Sept. | Patchy rain possible | 17° /15° | 1.2 mm | 3.3 | |
| 20 Sept. | Patchy rain possible | 15° /13° | 0.3 mm | 3 | |
| 21 Sept. |  Sunny | 19° /14° | 0.5 mm | 5 | |
| 22 Sept. | Sunny | 21° /14° | 0 mm | 6 | |
| 23 Sept. | Overcast | 22° /15° | 0 mm | 6 | |
| 24 Sept. | Overcast | 21° /14° | 0 mm | 6 | |
| 25 Sept. | Sunny | 21° /10° | 0 mm | 6 | |
| 26 Sept. | Sunny | 20° /9° | 0 mm | 6 | |
| 27 Sept. | Sunny | 19° /9° | 0 mm | 5 | |
| 28 Sept. | Sunny | 18° /11° | 0 mm | 5 | |
| 29 Sept. | Sunny | 19° /9° | 0 mm | 5 | |
| 30 Sept. | Sunny | 19° /10° | 0 mm | 5 | |
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Southport in September - FAQ
What are the expected maximum and minimum temperatures in Southport during September?
How much rainfall should be expected in Southport during September?
What are the typical wind conditions in Southport during September?
September rainfall patterns in Southport
UV exposure in Southport during September
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