Weather in Maine in September 2018

  • 21°C maximum daytime temperature in September in Maine (Augusta)21
    21°C max day temperature
  • 7 hours of sunshine per day (54% of daylight hours) in September in Maine7
    7 hours of sunshine per day
  • 10 days with some rainfall in September in Maine (Augusta)10
    10 days with some rainfall
  • 9°C minimum night-time temperature in September in Maine (Augusta)9
    9°C min night temperature
  • 12 hours of daylight per day in September in Maine (Augusta)12
    12 hours of daylight per day
  • No heat & humidity in September in Maine (Augusta)0
    No heat & humidity
  • 81 mm monthly rainfall in September in Maine (Augusta)81
    81 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Maine (Augusta)5
    5 (Moderate) UV index

Going to Maine? Find the best month to visit Maine based on the weather.

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Expect 21°C 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 2018. The September weather averages shown above are for Augusta.

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

Guide to Maine weather in September

The average maximum daytime temperature in Maine in September is a comfortable 21°C (70°F). The average night-time temperature is usually a cool 9°C (48°F). There are usually 7 hours of bright sunshine each day, which represents 54% of the 12 hours of daylight.

Expect 81mm (3.2 inches) of rainfall across the whole of September with 10 days with some rain falling. Maximum UV levels will be moderate (5 UV index) at midday when the skies are clear.

The weather in Maine in September is represented by Augusta.

Maine sunrise & sunset times for September 2018

Browse the sunrise & sunset times for Maine in September 2018. Select a month to view Maine sunrise & sunset times for the next twelve months. The Maine sunrise & sunset times shown below are for Augusta.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st September 2018 06:02 19:15
Sunday, 2nd September 2018 06:03 19:14
Monday, 3rd September 2018 06:04 19:12
Tuesday, 4th September 2018 06:05 19:10
Wednesday, 5th September 2018 06:07 19:08
Thursday, 6th September 2018 06:08 19:06
Friday, 7th September 2018 06:09 19:04
Saturday, 8th September 2018 06:10 19:03
Sunday, 9th September 2018 06:11 19:01
Monday, 10th September 2018 06:12 18:59
Tuesday, 11th September 2018 06:13 18:57
Wednesday, 12th September 2018 06:15 18:55
Thursday, 13th September 2018 06:16 18:53
Friday, 14th September 2018 06:17 18:52
Saturday, 15th September 2018 06:18 18:50
Sunday, 16th September 2018 06:19 18:48
Monday, 17th September 2018 06:20 18:46
Tuesday, 18th September 2018 06:22 18:44
Wednesday, 19th September 2018 06:23 18:42
Thursday, 20th September 2018 06:24 18:40
Friday, 21st September 2018 06:25 18:38
Saturday, 22nd September 2018 06:26 18:37
Sunday, 23rd September 2018 06:27 18:35
Monday, 24th September 2018 06:29 18:33
Tuesday, 25th September 2018 06:30 18:31
Wednesday, 26th September 2018 06:31 18:29
Thursday, 27th September 2018 06:32 18:27
Friday, 28th September 2018 06:33 18:25
Saturday, 29th September 2018 06:34 18:24
Sunday, 30th September 2018 06:36 18:22
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