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Greenock weather in September 2025
Expect 14°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Greenock in September. Check more long-term weather averages for Greenock in September before you book your next holiday to Scotland in 2025/2026.
- 1414°C max day temperature
- 3 hours of sunshine per day
- 2020 days with some rainfall
- 88°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 219219 mm of monthly rainfall
- 33 (Moderate) UV index
- 1313°C sea temperature
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Recommended for Scotland
Expires at 23:59 on Tuesday 31st Dec 2024 · View all Luxury Cottages offers
The September weather guide for Scotland (Greenock) 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.
Metric (°C / mm) | Imperial (°F / inches)
More about Scotland
How warm is it in Greenock in September?
Daytime temperatures usually reach 14°C in Greenock in September, falling to 8°C at night.
How sunny is it in Greenock in September?
There are normally 3 hours of bright sunshine each day in Greenock in September - that's 27% of daylight hours.
How warm is the sea around Greenock in September?
The average sea temperature around Greenock in September is 13°C.
Does it rain in Greenock in September?
There are usually 20 days with some rain in Greenock in September and the average monthly rainfall is 219mm.
Greenock September sunrise & sunset times
Browse the sunrise and sunset times for Greenock in September 2025. Select a month to view Greenock sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:24 | 19:13 |
Monday, 15th September 2025 | 05:51 | 18:36 |
Tuesday, 30th September 2025 | 06:20 | 17:56 |
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