Maine weather in September 2025

Q: How hot is it in Maine in September?

Daytime temperatures usually reach 21°C in Augusta, Maine in September, falling to 9°C at night.

Q: How sunny is it in Maine in September?

There are normally 7 hours of bright sunshine each day in Augusta, Maine in September - that's 54% of daylight hours.

Q: Does it rain in Maine in September?

There are usually 10 days with some rain in Augusta, Maine in September and the average monthly rainfall is 81mm.

Q: What is the chance of a hurricane in Maine in September?

On average less than 1 day in September in Augusta, Maine is likely to be affected by the passage of one or more tropical storms.

Expect 70°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Maine in September. Check more long-term weather averages for Maine in September before you book your next holiday to Maine in 2025/2026.

70
70°F max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
48
48°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
3.2
3.2 inches of monthly rainfall
5
5 (Moderate) UV index

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The September weather guide for Maine (Augusta) 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 Maine destinations

Below are average maximum temperatures at popular countries, regions and places in Maine in September. Select a holiday destination to see more weather parameters.

All Maine destinations

Metric (°C) | Imperial (°F)

More about the USA

How hot is it in Maine in September?

Daytime temperatures usually reach 70°F in Augusta, Maine in September, falling to 48°F at night.

How sunny is it in Maine in September?

There are normally 7 hours of bright sunshine each day in Augusta, Maine in September - that's 54% of daylight hours.

Does it rain in Maine in September?

There are usually 10 days with some rain in Augusta, Maine in September and the average monthly rainfall is 3.2 inches.

What is the chance of a hurricane in Maine in September?

On average less than 1 day in September in Augusta, Maine is likely to be affected by the passage of one or more tropical storms.

Maine September sunrise & sunset times

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st September 2025	05:02	18:15
Monday, 15th September 2025	05:18	17:49
Tuesday, 30th September 2025	05:36	17:21

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Maine - quick facts
Flight time^✝	11 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Maine Office of Tourism