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
The arrival of September suggests a slight decrease in the average high-temperature, moving from a moderately hot 73.9°F (23.3°C) in August to a comfortable 65.3°F (18.5°C). Nighttime temperature dips to a mean of 46°F (7.8°C) during September.Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 13.7 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 144.3 rainfall days, and 32.13" (816mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Mapleton, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 5:53 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:30 am and sunset at 6:13 pm EDT.
Sunshine
In September, the average sunshine is 7.3h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Exercise prevention - Protecting skin and eyes from harm is required. When the Sun is at its strongest around midday, find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Mapleton have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Mapleton have in September?
What is the UV index reading in September?
Average temperature in September
Mapleton, ME
- Average high temperature in September: 65.3°F
The warmest month (with the highest average high temperature) is July (75.2°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 46°F
The month with the highest average low temperature is July (54.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Mapleton, ME
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is September (30.02"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Mapleton, ME
- Average wind speed in September: 6.9mph
The windiest months (with the highest average wind speed) are January, February and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Mapleton, ME
- Average humidity in September: 80%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Mapleton, ME
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in September
Mapleton, ME
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Mapleton, ME
- Average snowfall in September: 0"
The month with the highest snowfall is January (15.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mapleton, ME
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mapleton, ME
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).
Average sunshine days in September
Mapleton, ME
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in September
Mapleton, ME
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Mapleton, ME
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in September
Mapleton, ME
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Mapleton, Maine, USA
Weather forecast for your location
2. Allow the app to use your location