Swanage
September
Weather in Swanage for September 2025
Your guide to Swanage weather in September - trends and predictions
In general, the average temperature in Swanage at the beginning of September is 18.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.9 °C by the end of September.
Swanage in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 129.1 mm.
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Temperatures
Rain 🌧️
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10
Dry days
20
Rainy days
0
Snow days
18°/11°
Temperatures
24 km/h
Avg max wind
80 %
Avg humidity
Swanage in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 19° | 3 18° | 4 19° | 5 17° | 6  16° | 7  20° |
| 8 18° | 9  17° | 10 18° | 11 14° | 12 14° | 13  15° | 14 16° |
| 15  18° | 16 19° | 17 19° | 18 23° | 19 23° | 20  21° | 21 19° |
| 22 18° | 23 17° | 24 17° | 25 15° | 26 16° | 27 12° | 28 14° |
| 29 14° | 30 16° |
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Temperatures trend during September in Swanage
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 22° /15° | 13.8 mm | 5 | |
| 2 Sept. | Patchy rain possible | 19° /14° | 0.5 mm | 4 | |
| 3 Sept. | Patchy rain possible | 18° /12° | 0.4 mm | 4 | |
| 4 Sept. | Light rain shower | 19° /11° | 2.7 mm | 4 | |
| 5 Sept. | Light rain shower | 17° /12° | 11.1 mm | 4 | |
| 6 Sept. | Moderate rain | 16° /14° | 15.5 mm | 4 | |
| 7 Sept. | Light rain | 20° /13° | 1.7 mm | 5 | |
| 8 Sept. | Light rain shower | 18° /14° | 22.5 mm | 4 | |
| 9 Sept. | Cloudy | 17° /11° | 0 mm | 4 | |
| 10 Sept. | Light drizzle | 18° /10° | 1 mm | 4 | |
| 11 Sept. | Patchy rain possible | 14° /8° | 0.2 mm | 3 | |
| 12 Sept. | Light rain shower | 14° /6° | 0.9 mm | 3 | |
| 13 Sept. | Partly cloudy | 15° /6° | 0 mm | 5 | |
| 14 Sept. | Partly cloudy | 16° /8° | 0 mm | 5 | |
| 15 Sept. | Sunny | 18° /10° | 0 mm | 5 | |
| 16 Sept. | Sunny | 19° /11° | 0 mm | 5 | |
| 17 Sept. | Sunny | 19° /9° | 0 mm | 5 | |
| 18 Sept. | Partly cloudy | 23° /12° | 0 mm | 6 | |
| 19 Sept. | Partly cloudy | 23° /13° | 0 mm | 6 | |
| 20 Sept. | Thundery outbreaks possible | 21° /13° | 0.9 mm | 5 | |
| 21 Sept. | Thundery outbreaks possible | 19° /13° | 3.8 mm | 4 | |
| 22 Sept. | Light rain shower | 18° /14° | 2.5 mm | 4 | |
| 23 Sept. | Patchy rain possible | 17° /13° | 0.5 mm | 4 | |
| 24 Sept. | Patchy rain possible | 17° /12° | 2.5 mm | 4 | |
| 25 Sept. | Light rain shower | 15° /11° | 5.5 mm | 4 | |
| 26 Sept. | Light rain shower | 16° /12° | 23.5 mm | 4 | |
| 27 Sept. | Light rain shower | 12° /7° | 5.8 mm | 3 | |
| 28 Sept. | Cloudy | 14° /6° | 0 mm | 3 | |
| 29 Sept. | Light rain | 14° /9° | 3.5 mm | 3 | |
| 30 Sept. | Patchy rain possible | 16° /11° | 10.6 mm | 4 | |
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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.
Swanage in September - FAQ
What are the expected maximum and minimum temperatures in Swanage during September?
Enjoy moderate daytime temperatures of up to 18° 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 129.1 mm is expected in Swanage during September, occurring over more than 20 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 💧
UV exposure in Swanage during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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