Augusta weather in September 2025

Expect 21°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Augusta in September. Check more long-term weather averages for Augusta in September before you book your next holiday to Maine in 2025/2026.

  • 21°C maximum daytime temperature in September in Augusta21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in September in Augusta10
    10 days with some rainfall
  • 9°C minimum night-time temperature in September in Augusta9
    9°C min night temperature
  • 12 hours of daylight per day in September in Augusta12
    12 hours of daylight per day
  • No heat & humidity in September in Augusta0
    No heat & humidity
  • 81 mm monthly rainfall in September in Augusta81
    81 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Augusta5
    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.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

How hot is it in Augusta in September?

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

How sunny is it in Augusta in September?

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

Does it rain in Augusta in September?

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

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

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

Augusta September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

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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