Lancashire
September
Weather in Lancashire for September 2025
Your guide to Lancashire weather in September - trends and predictions
In general, the average temperature in Lancashire at the beginning of September is 20.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.1 °C by the end of September.
Expect significant rainfall in Lancashire during September, with an average of 17 rainy days.
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13
Dry days
17
Rainy days
0
Snow days
18°/12°
Temperatures
23 km/h
Avg max wind
82 %
Avg humidity
Lancashire in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2 20° | 3  18° | 4  20° | 5 21° | 6  24° | 7 24° |
| 8  23° | 9 19° | 10  19° | 11 15° | 12  15° | 13 15° | 14 17° |
| 15 18° | 16 16° | 17  19° | 18 17° | 19 18° | 20 19° | 21 18° |
| 22 17° | 23 14° | 24 15° | 25 15° | 26 14° | 27 14° | 28 14° |
| 29 14° | 30 13° |
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Temperatures trend during September in Lancashire
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. | Patchy rain possible | 18° /12° | 1.8 mm | 5 | |
| 2 Sept. | Patchy rain possible | 20° /13° | 4.6 mm | 5 | |
| 3 Sept. | Mist | 18° /11° | 0.2 mm | 5 | |
| 4 Sept. | Sunny | 20° /10° | 0.3 mm | 6 | |
| 5 Sept. | Sunny | 21° /11° | 0.4 mm | 5 | |
| 6 Sept. | Overcast | 24° /14° | 0 mm | 6 | |
| 7 Sept. | Light rain shower | 24° /15° | 1.6 mm | 6 | |
| 8 Sept. | Partly cloudy | 23° /14° | 1 mm | 6 | |
| 9 Sept. | Partly cloudy | 19° /14° | 0.2 mm | 5 | |
| 10 Sept. | Moderate or heavy rain shower | 19° /12° | 8.5 mm | 4 | |
| 11 Sept. | Light rain shower | 15° /10° | 9.2 mm | 4 | |
| 12 Sept. | Cloudy | 15° /8° | 0.6 mm | 4 | |
| 13 Sept. | Overcast | 15° /6° | 0.1 mm | 4 | |
| 14 Sept. | Overcast | 17° /9° | 0 mm | 4 | |
| 15 Sept. | Mist | 18° /11° | 0.4 mm | 4 | |
| 16 Sept. | Patchy rain possible | 16° /10° | 0.2 mm | 4 | |
| 17 Sept. | Light rain | 19° /11° | 4.4 mm | 5 | |
| 18 Sept. | Light rain shower | 17° /9° | 4.8 mm | 5 | |
| 19 Sept. | Light rain shower | 18° /9° | 8.4 mm | 5 | |
| 20 Sept. | Light rain shower | 19° /10° | 3.5 mm | 5 | |
| 21 Sept. | Light rain shower | 18° /9° | 1.1 mm | 4 | |
| 22 Sept. | Light rain shower | 17° /10° | 2.7 mm | 4 | |
| 23 Sept. | Patchy rain possible | 14° /9° | 2 mm | 3 | |
| 24 Sept. | Light rain | 15° /10° | 4 mm | 4 | |
| 25 Sept. | Patchy rain possible | 15° /9° | 0.3 mm | 4 | |
| 26 Sept. | Light rain shower | 14° /9° | 11.6 mm | 4 | |
| 27 Sept. | Light rain shower | 14° /8° | 3.6 mm | 4 | |
| 28 Sept. | Light rain shower | 14° /8° | 1.4 mm | 4 | |
| 29 Sept. | Patchy rain possible | 14° /8° | 1.3 mm | 4 | |
| 30 Sept. | Light rain shower | 13° /9° | 12.7 mm | 3 | |
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Important Notice
Our weather forecast for Lancashire 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 Lancashire forecast closer to your planned date for the most up-to-date weather information.
Lancashire in September - FAQ
What are the expected maximum and minimum temperatures in Lancashire during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lancashire during September?
Moderate rainfall is anticipated in Lancashire during September, with a total of 94.8 mm spread over approximately 17 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Lancashire during September?
The average wind speed in Lancashire during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
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