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Weather in Sefton for September 2025

Your guide to Sefton weather in September - trends and predictions
  • In general, the average temperature in Sefton at the beginning of September is 20.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.6 °C by the end of September.

  • Expect significant rainfall in Sefton during September, with an average of 20 rainy days.

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Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/13°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Sefton in September average weather

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Temperatures trend during September in Sefton

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 drizzle
Light drizzle
18° /12° 2.8 mm 5
2 Sept. Patchy rain possible
Patchy rain possible
19° /14° 2.6 mm 5
3 Sept. Partly cloudy
Partly cloudy
17° /13° 0.2 mm 5
4 Sept. Sunny
Sunny
20° /12° 0.1 mm 5
5 Sept. Sunny
Sunny
21° /13° 0.2 mm 6
6 Sept. Partly cloudy
Partly cloudy
23° /15° 0 mm 6
7 Sept. Light rain shower
Light rain shower
23° /16° 1.6 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
22° /16° 2.1 mm 5
9 Sept. Patchy rain possible
Patchy rain possible
18° /15° 0.9 mm 4
10 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
19° /13° 6.7 mm 4
11 Sept. Light drizzle
Light drizzle
15° /12° 8.3 mm 4
12 Sept. Partly cloudy
Partly cloudy
14° /11° 2.2 mm 4
13 Sept. Cloudy
Cloudy
15° /8° 0 mm 4
14 Sept. Overcast
Overcast
16° /11° 0 mm 4
15 Sept. Partly cloudy
Partly cloudy
17° /13° 1.2 mm 5
16 Sept. Patchy rain possible
Patchy rain possible
16° /12° 0.3 mm 5
17 Sept. Moderate rain
Moderate rain
19° /12° 6.4 mm 5
18 Sept. Light rain shower
Light rain shower
18° /11° 4.1 mm 5
19 Sept. Light rain shower
Light rain shower
19° /11° 7.1 mm 5
20 Sept. Light rain shower
Light rain shower
19° /11° 3.4 mm 5
21 Sept. Light rain shower
Light rain shower
18° /11° 1.6 mm 5
22 Sept. Light rain shower
Light rain shower
17° /12° 4.6 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
14° /12° 2.5 mm 3
24 Sept. Light drizzle
Light drizzle
16° /11° 4.2 mm 4
25 Sept. Patchy light drizzle
Patchy light drizzle
15° /11° 0.6 mm 4
26 Sept. Light drizzle
Light drizzle
15° /10° 13.8 mm 4
27 Sept. Light rain shower
Light rain shower
14° /9° 4 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
14° /10° 1.5 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
14° /9° 2.5 mm 4
30 Sept. Light rain
Light rain
14° /10° 12.5 mm 4
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Important Notice
Our weather forecast for Sefton 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 Sefton forecast closer to your planned date for the most up-to-date weather information.

Sefton in September - FAQ

What are the expected maximum and minimum temperatures in Sefton during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sefton during September?
Moderate rainfall is anticipated in Sefton during September, with a total of 94.7 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Sefton during September?
The average wind speed in Sefton during September is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
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Location coordinates Where is Sefton?

Get accurate weather forecasts for Sefton, located at latitude 53.646 and longitude -3.01. Stay updated with localized weather information tailored for Sefton.

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