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Merseyside weather in September 2025
Expect 17°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Merseyside in September. Check more long-term weather averages for Merseyside in September before you book your next holiday to Merseyside in 2025/2026.
- 1717°C max day temperature
- 4 hours of sunshine per day
- 1515 days with some rainfall
- 1010°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 7272 mm of monthly rainfall
- 44 (Moderate) UV index
- 1616°C sea temperature
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Recommended for Merseyside
The September weather guide for Merseyside (Liverpool) 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.
Top Merseyside destinations
Metric (°C / mm) | Imperial (°F / inches)
More about the UK
How warm is it in Merseyside in September?
Daytime temperatures usually reach 17°C in Liverpool, Merseyside in September, falling to 10°C at night.
How sunny is it in Merseyside in September?
There are normally 4 hours of bright sunshine each day in Liverpool, Merseyside in September - that's 32% of daylight hours.
How warm is the sea around Merseyside in September?
The average sea temperature around Liverpool, Merseyside in September is 16°C.
Does it rain in Merseyside in September?
There are usually 15 days with some rain in Liverpool, Merseyside in September and the average monthly rainfall is 72mm.
Merseyside September sunrise & sunset times
Browse the sunrise and sunset times for Merseyside in September 2025. Select a month to view Merseyside sunrise and sunset times for the next 12 months. The Merseyside sunrise and sunset times shown below are for Liverpool.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:22 | 19:01 |
Monday, 15th September 2025 | 05:46 | 18:27 |
Tuesday, 30th September 2025 | 06:12 | 17:51 |
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