Lake District weather in September 2025

Q: How warm is it in the Lake District in September?

Daytime temperatures usually reach 14°C in Grasmere, Lake District in September, falling to 8°C at night.

Q: How sunny is it in the Lake District in September?

There are normally 4 hours of bright sunshine each day in Grasmere, Lake District in September - that's 29% of daylight hours.

Q: Does it rain in the Lake District in September?

There are usually 18 days with some rain in Grasmere, Lake District in September and the average monthly rainfall is 269mm.

Expect 57°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Lake District in September. Check more long-term weather averages for Lake District in September before you book your next holiday to Lake District in 2025/2026.

57
57°F max day temperature
4
4 hours of sunshine per day
18
18 days with some rainfall
46
46°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
10.6
10.6 inches of monthly rainfall
3
3 (Moderate) UV index

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The September weather guide for Lake District (Grasmere) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C) | Imperial (°F)

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How warm is it in the Lake District in September?

Daytime temperatures usually reach 57°F in Grasmere, Lake District in September, falling to 46°F at night.

How sunny is it in the Lake District in September?

There are normally 4 hours of bright sunshine each day in Grasmere, Lake District in September - that's 29% of daylight hours.

Does it rain in the Lake District in September?

There are usually 18 days with some rain in Grasmere, Lake District in September and the average monthly rainfall is 10.6 inches.

Lake District September sunrise & sunset times

Browse the sunrise and sunset times for Lake District in September 2025. Select a month to view Lake District sunrise and sunset times for the next 12 months. The Lake District sunrise and sunset times shown below are for Grasmere.

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