September weather forecastFrench Settlement, ME
September
Weather in September
September, the first month of the autumn in French Settlement, is still a pleasant month, with an average temperature fluctuating between 50°F (10°C) and 68.9°F (20.5°C).Temperature
September brings a slight decrease in the average high-temperature, shifting from a warm 77.2°F (25.1°C) in August to a pleasant 68.9°F (20.5°C). French Settlement experiences a steady low-temperature of 50°F (10°C) throughout September.Humidity
In September, the average relative humidity is 78%.Rainfall
In French Settlement, in September, it is raining for 10.5 days, with typically 2.01" (51mm) of accumulated precipitation. In French Settlement, during the entire year, the rain falls for 148.7 days and collects up to 29.84" (758mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 5:57 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 6:16 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a regular UV index of 4 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. 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
French Settlement, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in September
French Settlement, 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
French Settlement, ME
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
French Settlement, ME
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
French Settlement, ME
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in September
French Settlement, ME
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
French Settlement, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
French Settlement, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
French Settlement, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
French Settlement, ME
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (10.1 days).
Average UV index in September
French Settlement, 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, November and December (UV index 2).
Average cloud cover in September
French Settlement, ME
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in September
French Settlement, ME
- Average visibility in September: 5mi
The month with the highest visibility is October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (5mi).





