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Weather in Blackburn with Darwen for September 2025

Your guide to Blackburn with Darwen weather in September - trends and predictions
  • In general, the average temperature in Blackburn with Darwen at the beginning of September is 20.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.4 °C by the end of September.

  • Expect significant rainfall in Blackburn with Darwen during September, with an average of 18 rainy days.

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Average dry days
12
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/11°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Blackburn with Darwen in September average weather

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Temperatures trend during September in Blackburn with Darwen

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
16° /11° 3.3 mm 4
2 Sept. Light rain shower
Light rain shower
20° /12° 5.3 mm 5
3 Sept. Mist
Mist
18° /11° 0.2 mm 5
4 Sept. Sunny
Sunny
19° /10° 0.7 mm 5
5 Sept. Partly cloudy
Partly cloudy
20° /11° 0.2 mm 5
6 Sept. Overcast
Overcast
24° /13° 0 mm 6
7 Sept. Patchy rain possible
Patchy rain possible
24° /15° 1.3 mm 6
8 Sept. Partly cloudy
Partly cloudy
22° /14° 1.5 mm 6
9 Sept. Partly cloudy
Partly cloudy
19° /13° 0.4 mm 5
10 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
18° /11° 9 mm 4
11 Sept. Light rain shower
Light rain shower
14° /9° 7 mm 4
12 Sept. Mist
Mist
14° /7° 0.6 mm 4
13 Sept. Cloudy
Cloudy
14° /5° 0.1 mm 4
14 Sept. Overcast
Overcast
16° /8° 0 mm 4
15 Sept. Fog
Fog
16° /10° 0.4 mm 4
16 Sept. Overcast
Overcast
15° /9° 0.1 mm 4
17 Sept. Light rain
Light rain
19° /10° 4.1 mm 5
18 Sept. Light rain shower
Light rain shower
17° /8° 4 mm 5
19 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /8° 10 mm 5
20 Sept. Light rain shower
Light rain shower
18° /9° 3.3 mm 4
21 Sept. Light rain shower
Light rain shower
17° /9° 1.2 mm 4
22 Sept. Light rain shower
Light rain shower
16° /10° 2.1 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
13° /9° 3 mm 3
24 Sept. Light rain
Light rain
15° /9° 6.7 mm 4
25 Sept. Patchy rain possible
Patchy rain possible
14° /8° 0.5 mm 4
26 Sept. Light rain shower
Light rain shower
14° /9° 14 mm 4
27 Sept. Moderate rain
Moderate rain
13° /7° 3 mm 4
28 Sept. Light rain shower
Light rain shower
13° /7° 1.7 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
13° /7° 1.2 mm 3
30 Sept. Light rain
Light rain
12° /9° 12.8 mm 3
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Important Notice
Our weather forecast for Blackburn with Darwen 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 Blackburn with Darwen forecast closer to your planned date for the most up-to-date weather information.

Blackburn with Darwen in September - FAQ

What are the expected maximum and minimum temperatures in Blackburn with Darwen 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 Blackburn with Darwen during September?
Significant rainfall exceeding 101.5 mm is expected in Blackburn with Darwen during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Blackburn with Darwen during September?
The average wind speed in Blackburn with Darwen during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
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Location coordinates Where is Blackburn with Darwen?

Get accurate weather forecasts for Blackburn with Darwen, located at latitude 53.75 and longitude -2.483. Stay updated with localized weather information tailored for Blackburn with Darwen.

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