September weather forecast and climate
Augusta, ME

Beautiful view of the water and skyline in Augusta, Maine, with trees and mountains in a distance
Beautiful view of the water and skyline in Augusta, Maine, with trees and mountains in a distance

What is the temperature in September in Augusta?

In Augusta, Maine, in September, the average high-temperature is 69.6°F (20.9°C), and the average low-temperature is 50.5°F (10.3°C).

How much does it rain in Augusta in September?

In Augusta, in September, during 10.2 rainfall days, typically 3.7" (95mm) of precipitation is accumulated.

Does it snow in Augusta in September?

In Augusta, Maine, in September, it doesn't snow. In October, it regularly snows.
Average temperature in September - Augusta, ME
  • Average high temperature in September: 20.9°C

The warmest month (with the highest average high temperature) is July (26.2°C).
The month with the lowest average high temperature is January (-2.4°C).

  • Average low temperature in September: 10.3°C

The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is January (-11.7°C).

Average rainfall in September - Augusta, ME
  • Average rainfall in September: 95mm

The wettest month (with the highest rainfall) is October (110.7mm).
The driest month (with the lowest rainfall) is February (61.7mm).

Average rainfall days in September - Augusta, ME
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is May (13.5 days).
The month with the lowest number of rainy days is February (9.1 days).

Average snowfall in September - Augusta, ME
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (508mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in September - Augusta, ME
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.6 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Augusta, ME
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in September: 7h

Months with most sunshine are June, July and August (Average sunshine: 8h).
Months with least sunshine are January, November and December (Average sunshine: 4).

Average UV index in September - Augusta, ME
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).

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