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Rockland weather in September 2025
Expect 21°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Rockland in September. Check more long-term weather averages for Rockland in September before you book your next holiday to Maine in 2025/2026.
- 2121°C max day temperature
- 7 hours of sunshine per day
- 99 days with some rainfall
- 1010°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 9292 mm of monthly rainfall
- 55 (Moderate) UV index
- 1313°C sea temperature
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The September weather guide for Maine (Rockland) 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 the USA
How hot is it in Rockland in September?
Daytime temperatures usually reach 21°C in Rockland in September, falling to 10°C at night.
How sunny is it in Rockland in September?
There are normally 7 hours of bright sunshine each day in Rockland in September - that's 53% of daylight hours.
How warm is the sea around Rockland in September?
The average sea temperature around Rockland in September is 13°C.
Does it rain in Rockland in September?
There are usually 9 days with some rain in Rockland in September and the average monthly rainfall is 92mm.
What is the chance of a hurricane in Rockland in September?
On average less than 1 day in September in Rockland is likely to be affected by the passage of one or more tropical storms.
Rockland September sunrise & sunset times
Browse the sunrise and sunset times for Rockland in September 2025. Select a month to view Rockland sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:00 | 18:12 |
Monday, 15th September 2025 | 05:16 | 17:46 |
Tuesday, 30th September 2025 | 05:33 | 17:19 |
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