September weather forecastAshley, ND
September
Weather in September
September brings the first signs of fall in Ashley, North Dakota with temperatures scaling down between 52.2°F (11.2°C) to 72.7°F (22.6°C). As the leaves start to change colors and the warm summer heat subsides, the weather begins to tilt towards the milder side. The decrease in temperatures is accompanied by a significant decrease in rainfall, registering 1.14" (29mm) on average. Days are still fairly long with plenty of daylight hours, painting a picture-perfect fall scene, ideal for outdoor exploration.Temperature
Ashley in September experiences a subtle temperature decline, with average high-temperatures reducing from a moderately hot 81.9°F (27.7°C) in August to a pleasant 72.7°F (22.6°C). During September, Ashley sees a mean low-temperature of 52.2°F (11.2°C).Humidity
August and September, with an average relative humidity of 61%, are the least humid months in Ashley.Rainfall
In Ashley, in September, it is raining for 8.4 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Ashley, there are 92.3 rainfall days, and 15.28" (388mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Ashley.Daylight
In Ashley, North Dakota, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:59 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:18 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ashley, ND
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Ashley, 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 (29.85"Hg).
Average wind speed in September
Ashley, ND
- Average wind speed in September: 9.6mph
The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in September
Ashley, ND
- Average humidity in September: 61%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).
Average rainfall in September
Ashley, ND
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Ashley, ND
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).
Average snowfall in September
Ashley, ND
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ashley, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ashley, ND
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Ashley, ND
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in September
Ashley, 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, November and December (UV index 1).
Average cloud cover in September
Ashley, ND
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Ashley, ND
- Average visibility in September: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).





