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 daytime maximum temperatures of 14°C in Lake District, UK in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 18 days with some rainfall and typically 269 mm of rainfall in the month.

14
14°C max day temperature
4
4 hours of sunshine per day
18
18 days with some rainfall
8
8°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
269
269 mm 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 / mm) | Imperial (°F / inches)

More about the UK

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.

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 269mm.

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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