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United Kingdom weather

Weather in Blackburn for September 2025

Your guide to Blackburn weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Blackburn is slightly cooler than the historical average by -1.4 °C.

  • Expect cooler weather in the next days in Blackburn with the forecast suggesting a temperature of 14.3 °C, lower than the historical average.

  • In general, the average temperature in Blackburn at the beginning of September is 19.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.4 °C by the end of September.

    • Rain 🌧️

  • Blackburn in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 97.6 mm.

    • More

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

Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/10°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Blackburn Weather September

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

Temperatures trend during September in Blackburn

See the weather trend as well as the moving average line

September weather in Blackburn 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
 16° /11° 5.7 mm 4
2 Sept. Light rain shower
Light rain shower
 20° /11° 3.6 mm 4
3 Sept. Mist
Mist
 18° /11° 3.9 mm 4
4 Sept. Light rain shower
Light rain shower
 19° /10° 0.7 mm 4
5 Sept. Partly cloudy
Partly cloudy
 19° /10° 0.2 mm 5
6 Sept. Overcast
Overcast
 23° /11° 0 mm 5
7 Sept. Patchy rain possible
Patchy rain possible
 23° /14° 2 mm 5
8 Sept. Partly cloudy
Partly cloudy
 21° /12° 1.5 mm 5
9 Sept. Patchy rain possible
Patchy rain possible
 19° /11° 0.3 mm 4
10 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /11° 7 mm 4
11 Sept. Light rain shower
Light rain shower
 14° /9° 8.4 mm 3
12 Sept. Light rain shower
Light rain shower
 14° /7° 3.2 mm 3
13 Sept. Cloudy
Cloudy
 14° /6° 3.7 mm 3
14 Sept. Overcast
Overcast
 15° /8° 3 mm 4
15 Sept. Moderate rain
Moderate rain
 13° /11° 15.9 mm 0.1
16 Sept. Moderate rain
Moderate rain
 13° /10° 8.4 mm 0.4
17 Sept. Moderate rain
Moderate rain
 17° /10° 6.7 mm 0.2
18 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 1.2 mm 0.3
19 Sept. Patchy rain possible
Patchy rain possible
 16° /12° 3.8 mm 0.3
20 Sept. Patchy rain possible
Patchy rain possible
 13° /11° 4.6 mm 3
21 Sept. Patchy rain possible
Patchy rain possible
 12° /10° 1.9 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
 11° /9° 0.8 mm 3
23 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 0.5 mm 3
24 Sept. Patchy rain possible
Patchy rain possible
 12° /8° 0.4 mm 2
25 Sept. Patchy rain possible
Patchy rain possible
 13° /5° 0.1 mm 2
26 Sept. Cloudy
Cloudy
 14° /6° 0 mm 3
27 Sept. Partly cloudy
Partly cloudy
 15° /9° 0 mm 4
28 Sept. Sunny
Sunny
 15° /8° 0 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
Next
Important Notice
Our weather forecast for Blackburn 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 forecast closer to your planned date for the most up-to-date weather information.
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Blackburn in September - FAQ

What are the expected maximum and minimum temperatures in Blackburn during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Blackburn during September?
Moderate rainfall is anticipated in Blackburn during September, with a total of 97.6 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Blackburn during September?
The average wind speed in Blackburn during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Blackburn

Explore the daily rainfall trends and prepare for Blackburns September weather 💧

UV exposure in Blackburn during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Blackburn?

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

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