Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 76.1°F (24.5°C) in August to an agreeable 68.9°F (20.5°C). Throughout September, the temperature falls to an average low of 50.5°F (10.3°C).Humidity
The average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 9.8 days and accumulates 1.42" (36mm) of precipitation.Snowfall
In Augusta, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:02 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:21 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index in Augusta is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Augusta have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Augusta have in September?
What is the UV index intensity in September?
Average temperature in September
Augusta, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in September
Augusta, ME
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Augusta, ME
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Augusta, ME
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and March (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Augusta, ME
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Augusta, ME
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Augusta, ME
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.77").
The months with the least snowfall are June, July, August and September (0").
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 (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Augusta, ME
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Augusta, ME
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in September
Augusta, ME
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Augusta, ME
- Average cloud cover in September: 36
The months with the most cloud cover are March and April (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in September
Augusta, ME
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Augusta, Maine, USA
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