September weather forecastMapleton, ND
September
Weather in September
September, the first month of the autumn in Mapleton, is also an agreeable month, with an average temperature fluctuating between 52.7°F (11.5°C) and 71.8°F (22.1°C).Temperature
With September's arrival, Mapleton sees a decrease in average high-temperatures, moving from a warm 80.8°F (27.1°C) in August to a pleasant 71.8°F (22.1°C). Throughout the month of September, the nighttime temperature dips to an average of 52.7°F (11.5°C).Humidity
September is the least humid month, with an average relative humidity of 62%.Rainfall
In Mapleton, North Dakota, in September, during 8.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, there are 102.6 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
In Mapleton, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September in Mapleton, North Dakota, sunrise is at 6:48 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:09 pm CDT.
Sunshine
In Mapleton, the average sunshine in September is 8.8h.UV index
In Mapleton, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mapleton, ND
- Average high temperature in September: 71.8°F
The warmest months (with the highest average high temperature) are July and August (80.8°F).
The month with the lowest average high temperature is January (16.7°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (3.2°F).
Average pressure in September
Mapleton, ND
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Mapleton, ND
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in September
Mapleton, ND
- Average humidity in September: 62%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (62%).
Average rainfall in September
Mapleton, ND
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Mapleton, ND
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Mapleton, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mapleton, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (15.6 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, ND
- Average daylight in September: 12h and 30min
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: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Mapleton, ND
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (11 days).
Average UV index in September
Mapleton, ND
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Mapleton, ND
- Average cloud cover in September: 28
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Mapleton, ND
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





