The climate in Rawtenstall during September can be summarized as mild and damp.
September is in the fall / autumn in Rawtenstall and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (60°F), whilst at night 9°C (48°F) is normal.
Daytime temperature | 15.3°C 59.5°F |
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Nightly temperature | 8.8°C 47.8°F |
Average temperature | 12°C 53.6°F |
Daily sunshine | 4 hrs |
Avg rainfall | 119 mm 4.7 ins |
Rainy days | 18 days |
Sea temperature | 14.7°C 58.4°F |
Humidity | 86% |
Windspeed | 15.8kph 10 mph |
On average September is the 5th wettest month of the year in Rawtenstall with around 119mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Rawtenstall in September 2025.
Best places to visit in September
Hottest month: | July | 17.8°C 64°F |
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Driest month: | April | 81mm 3.2ins |
Sunniest month: | May | 5.9hrs |
Coldest month: | February | 4.6°C 40.3°F |
Wettest month: | December | 138mm 5.4ins |