Swanage
September
Weather in Swanage for September 2026
Your guide to Swanage weather in September - trends and predictions
In general, the average temperature in Swanage at the beginning of September is 19.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.9 °C by the end of September.
The climate of Swanage in September is notably wet, with an average of 15 rainy days, and a total of 129.2 mm of precipitation.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
17°/11°
Temperatures
24 km/h
Avg max wind
79 %
Avg humidity
Swanage Weather September
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Temperatures trend during September in Swanage
See the weather trend as well as the moving average line
September weather in Swanage day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 21° /14° | 9.4 mm | 5 | |
| 2 Sept. | Patchy rain possible | 19° /13° | 5 mm | 4 | |
| 3 Sept. | Patchy rain possible | 19° /13° | 4.4 mm | 4 | |
| 4 Sept. | Light rain shower | 19° /11° | 3.8 mm | 4 | |
| 5 Sept. | Light rain shower | 19° /11° | 5.5 mm | 5 | |
| 6 Sept. |  Moderate rain | 18° /13° | 7.8 mm | 5 | |
| 7 Sept. |  Light rain | 20° /13° | 1.9 mm | 5 | |
| 8 Sept. | Light rain shower | 18° /12° | 11.3 mm | 4 | |
| 9 Sept. |  Cloudy | 18° /11° | 0.4 mm | 4 | |
| 10 Sept. | Light drizzle | 18° /11° | 1.9 mm | 4 | |
| 11 Sept. | Patchy rain possible | 16° /10° | 1.5 mm | 4 | |
| 12 Sept. | Light rain shower | 15° /8° | 3.1 mm | 4 | |
| 13 Sept. |  Partly cloudy | 16° /8° | 3.6 mm | 5 | |
| 14 Sept. | Partly cloudy | 17° /9° | 1.1 mm | 5 | |
| 15 Sept. |  Sunny | 18° /11° | 0.3 mm | 5 | |
| 16 Sept. | Sunny | 18° /11° | 0.2 mm | 5 | |
| 17 Sept. | Sunny | 19° /11° | 0.4 mm | 5 | |
| 18 Sept. | Partly cloudy | 22° /13° | 0 mm | 6 | |
| 19 Sept. | Partly cloudy | 22° /13° | 0 mm | 6 | |
| 20 Sept. |  Thundery outbreaks possible | 20° /12° | 1.2 mm | 5 | |
| 21 Sept. | Thundery outbreaks possible | 16° /10° | 6 mm | 4 | |
| 22 Sept. | Light rain shower | 17° /9° | 1.2 mm | 5 | |
| 23 Sept. | Patchy rain possible | 17° /10° | 0.2 mm | 5 | |
| 24 Sept. | Patchy rain possible | 17° /10° | 1.2 mm | 4 | |
| 25 Sept. | Light rain shower | 17° /9° | 2.8 mm | 5 | |
| 26 Sept. | Light rain shower | 15° /9° | 11.8 mm | 4 | |
| 27 Sept. | Light rain shower | 13° /9° | 3.4 mm | 3 | |
| 28 Sept. | Cloudy | 16° /8° | 0.4 mm | 4 | |
| 29 Sept. | Light rain | 16° /9° | 1.7 mm | 4 | |
| 30 Sept. | Patchy rain possible | 17° /10° | 5.3 mm | 5 | |
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Important Notice
Our weather forecast for Swanage in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Swanage forecast closer to your planned date for the most up-to-date weather information.
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Swanage in September - FAQ
What are the expected maximum and minimum temperatures in Swanage during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Swanage during September?
Significant rainfall exceeding 129.2 mm is expected in Swanage during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Swanage during September?
The average wind speed in Swanage during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Swanage
Explore the daily rainfall trends and prepare for Swanages September weather 💧
Typically, Swanage has 15 rainy days in September with a total of 129.2 mm of rainfall.
UV exposure in Swanage during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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