September weather forecastHampden Station, ME
September
Weather in September
September, the first month of the autumn in Hampden Station, is still a pleasant month, with an average temperature varying between 68.9°F (20.5°C) and 50°F (10°C).Temperature
With the arrival of September, Hampden Station notices a mild change in the average high-temperature, sliding from August's moderately hot 76.6°F (24.8°C) to an agreeable 68.9°F (20.5°C). During September, the average low-temperature is recorded at a fresh 50°F (10°C).Humidity
In September, the average relative humidity in Hampden Station is 79%.Rainfall
In Hampden Station, in September, during 8.5 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Hampden Station, during the entire year, the rain falls for 125.4 days and collects up to 13.78" (350mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Hampden Station is 12h and 31min.On the first day of September in Hampden Station, sunrise is at 5:58 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 6:17 pm EDT.
Sunshine
The average sunshine in September in Hampden Station is 8.2h.UV index
In September, the average daily maximum UV index in Hampden Station is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hampden Station, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (26.4°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in September
Hampden Station, ME
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Hampden Station, ME
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Hampden Station, ME
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Hampden Station, ME
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is July (0.79").
Average rainfall days in September
Hampden Station, ME
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is June (13.7 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Hampden Station, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hampden Station, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hampden Station, ME
- Average daylight in September: 12h and 30min
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 12min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Hampden Station, ME
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in September
Hampden Station, 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
Hampden Station, ME
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Hampden Station, ME
- Average visibility in September: 5mi
The months with the highest visibility are October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (5mi).





