September weather forecastEpping, ND
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Epping, North Dakota, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 52.7°F (11.5°C).Temperature
A shift in Epping's weather is observed as August turns into September, with the average high temperature reducing from a warm 82°F (27.8°C) to a pleasant 71.2°F (21.8°C). September nights in Epping observe an average temperature dip to a cool 52.7°F (11.5°C).Humidity
The average relative humidity in September is 50%.Rainfall
In Epping, North Dakota, in September, during 9.1 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Epping, during the entire year, the rain falls for 94.7 days and collects up to 12.52" (318mm) of precipitation.Snowfall
In Epping, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September, sunrise is at 7:12 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 7:33 pm CDT.
Sunshine
The average sunshine in September in Epping is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Epping, ND
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is February (20.8°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest months (with the lowest average low temperature) are January and February (7°F).
Average pressure in September
Epping, ND
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Epping, ND
- Average wind speed in September: 10mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is February (8.9mph).
Average humidity in September
Epping, ND
- Average humidity in September: 50%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (48%).
Average rainfall in September
Epping, ND
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in September
Epping, ND
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is December (2.5 days).
Average snowfall in September
Epping, ND
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Epping, ND
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Epping, ND
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in September
Epping, ND
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in September
Epping, ND
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Epping, ND
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 19).
Average visibility in September
Epping, ND
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





