September weather forecastGorham, ME
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Gorham, Maine, with an average temperature ranging between max 68.9°F (20.5°C) and min 53.4°F (11.9°C).Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a warm 75.2°F (24°C) in August to an agreeable 68.9°F (20.5°C). The month of September records an average low-temperature of 53.4°F (11.9°C).Humidity
In Gorham, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Gorham is September, when the rain falls for 10.8 days and typically collects 1.46" (37mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:06 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:24 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gorham, ME
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
Gorham, ME
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Gorham, ME
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Gorham, ME
- Average humidity in September: 79%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
Gorham, ME
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Gorham, ME
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Gorham, ME
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gorham, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gorham, ME
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Gorham, ME
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in September
Gorham, 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
Gorham, ME
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Gorham, ME
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





