Weather in Bournemouth for September 2026
Until now, September 2026 in Bournemouth has been nearly identical to the historical average, with a temperature of 20.5 °C (showing only a slight deviation of 0.3 °C).
The forecast for the next days in Bournemouth predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in Bournemouth at the beginning of September is 21.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.9 °C by the end of September.
Bournemouth experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 77.2 mm.
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Bournemouth Weather September
Temperatures trend during September in Bournemouth
September weather in Bournemouth day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 21° /13° | 5.2 mm | 5 | |
| 2 Sept. | Light rain shower | 20° /13° | 3.1 mm | 4 | |
| 3 Sept. | Patchy rain possible | 21° /14° | 2.3 mm | 4 | |
| 4 Sept. | Light rain shower | 21° /12° | 1.9 mm | 4 | |
| 5 Sept. |  Sunny | 21° /12° | 2.8 mm | 5 | |
| 6 Sept. |  Overcast | 22° /14° | 3.9 mm | 4 | |
| 7 Sept. | Sunny | 22° /14° | 1 mm | 5 | |
| 8 Sept. |  Partly cloudy | 20° /13° | 10.1 mm | 5 | |
| 9 Sept. |  Cloudy | 20° /13° | 0.5 mm | 5 | |
| 10 Sept. | Patchy rain possible | 20° /12° | 1 mm | 4 | |
| 11 Sept. |  Mist | 19° /12° | 0.9 mm | 4 | |
| 12 Sept. | Overcast | 21° /12° | 0 mm | 4.5 | |
| 13 Sept. | Overcast | 24° /17° | 17 mm | 4.2 | |
| 14 Sept. | Mist | 24° /16° | 0 mm | 3.3 | |
| 15 Sept. | Sunny | 21° /13° | 0 mm | 6 | |
| 16 Sept. | Sunny | 17° /11° | 0 mm | 4 | |
| 17 Sept. | Overcast | 20° /11° | 0.1 mm | 5 | |
| 18 Sept. | Sunny | 20° /10° | 0 mm | 5 | |
| 19 Sept. | Sunny | 20° /12° | 0 mm | 6 | |
| 20 Sept. | Sunny | 22° /14° | 0 mm | 6 | |
| 21 Sept. | Sunny | 22° /16° | 1.9 mm | 6 | |
| 22 Sept. | Patchy rain possible | 19° /12° | 3.5 mm | 4 | |
| 23 Sept. | Light rain shower | 17° /11° | 8.1 mm | 4 | |
| 24 Sept. | Patchy rain possible | 18° /13° | 3.9 mm | 4 | |
| 25 Sept. | Patchy rain possible | 17° /10° | 3.1 mm | 4 | |
| 26 Sept. | Patchy rain possible | 17° /10° | 7.9 mm | 4 | |
| 27 Sept. | Light rain shower | 15° /10° | 2.5 mm | 3 | |
| 28 Sept. | Patchy rain possible | 17° /10° | 0.6 mm | 4 | |
| 29 Sept. | Cloudy | 17° /9° | 1.5 mm | 4 | |
| 30 Sept. | Cloudy | 17° /10° | 3.5 mm | 4 | |
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Bournemouth in September - FAQ
What are the expected maximum and minimum temperatures in Bournemouth during September?
How much rainfall should be expected in Bournemouth during September?
What are the typical wind conditions in Bournemouth during September?
Bournemouth water temperatures in September
The average water temperature of the Atlantic Ocean near Bournemouth in September is 18 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Bournemouth in September?
- The average water temperature in Bournemouth in September is 18 °C.
- Can you swim in Bournemouth in September?
- Refreshing and invigorating. Expect to feel chilled after 10–20 minutes; a shorty wetsuit extends water time, especially at dawn.
September rainfall patterns in Bournemouth
UV exposure in Bournemouth during September
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