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United Kingdom weather

Weather in Swanage for September 2026

Your guide to Swanage weather in September - trends and predictions

    Temperatures

  • So far, September 2026 in Swanage is slightly warmer than the historical average by 1.5 °C.

  • The forecast for the next days in Swanage predicts temperatures to be around 21 °C, close to the historical average.

  • In general, the average temperature in Swanage at the beginning of September is 20.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 20.9 °C by the end of September.

    • Rain 🌧️

  • Swanage experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 96.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/11°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Swanage Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain shower
21°
2
Patchy rain possible
20°
3
Patchy rain possible
20°
4
Light rain shower
20°
5
Light rain shower
20°
6
Overcast
20°
7
Light rain
21°
8
Light rain shower
18°
9
Cloudy
18°
10
Light drizzle
18°
11
Patchy rain possible
18°
12
Light rain shower
17°
13
Partly cloudy
18°
14
Partly cloudy
19°
15
Sunny
19°
16
Sunny
19°
17
Sunny
19°
18
Patchy rain possible
21°
19
Partly cloudy
22°
20
Overcast
20°
21
Sunny
23°
22
Sunny
23°
23
Overcast
24°
24
Sunny
18°
25
Sunny
19°
26
Overcast
22°
27
Sunny
20°
28
Sunny
24°
29
Sunny
22°
30
Overcast
21°

Temperatures trend during September in Swanage

See the weather trend as well as the moving average line

September weather in Swanage day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
 21° /12° 6.3 mm 4
2 Sept. Patchy rain possible
Patchy rain possible
 20° /13° 3.4 mm 3
3 Sept. Patchy rain possible
Patchy rain possible
 20° /14° 3 mm 3
4 Sept. Light rain shower
Light rain shower
 20° /11° 2.6 mm 3
5 Sept. Light rain shower
Light rain shower
 20° /11° 3.7 mm 4
6 Sept. Overcast
Overcast
 20° /13° 5.2 mm 4
7 Sept. Light rain
Light rain
 21° /13° 1.3 mm 4
8 Sept. Light rain shower
Light rain shower
 18° /12° 13.4 mm 4
9 Sept. Cloudy
Cloudy
 18° /11° 0.2 mm 4
10 Sept. Light drizzle
Light drizzle
 18° /11° 1.4 mm 3
11 Sept. Patchy rain possible
Patchy rain possible
 18° /11° 1.2 mm 3
12 Sept. Light rain shower
Light rain shower
 17° /9° 2.1 mm 3
13 Sept. Partly cloudy
Partly cloudy
 18° /11° 2.7 mm 3
14 Sept. Partly cloudy
Partly cloudy
 19° /11° 0.8 mm 4
15 Sept. Sunny
Sunny
 19° /11° 0.2 mm 4
16 Sept. Sunny
Sunny
 19° /10° 0.2 mm 4
17 Sept. Sunny
Sunny
 19° /11° 0.9 mm 3
18 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 0.1 mm 4
19 Sept. Partly cloudy
Partly cloudy
 22° /13° 0 mm 6
20 Sept. Overcast
Overcast
 20° /13° 0.8 mm 3.6
21 Sept. Sunny
Sunny
 23° /11° 0 mm 4.1
22 Sept. Sunny
Sunny
 23° /14° 0 mm 4.1
23 Sept. Overcast
Overcast
 24° /13° 0 mm 3.3
24 Sept. Sunny
Sunny
 18° /10° 0 mm 5
25 Sept. Sunny
Sunny
 19° /13° 0 mm 5
26 Sept. Overcast
Overcast
 22° /13° 0 mm 6
27 Sept. Sunny
Sunny
 20° /13° 0 mm 6
28 Sept. Sunny
Sunny
 24° /14° 0 mm 6
29 Sept. Sunny
Sunny
 22° /13° 0 mm 6
30 Sept. Overcast
Overcast
 21° /17° 1 mm 5
Next
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 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?
Moderate rainfall is anticipated in Swanage during September, with a total of 96.9 mm spread over approximately 22 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Swanage during September?
The average wind speed in Swanage during September is 26 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 22 rainy days in September with a total of 96.9 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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Get accurate weather forecasts for Swanage, located at latitude 50.608 and longitude -1.957. Stay updated with localized weather information tailored for Swanage.

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