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 beginning of September marks a decrease in the average high-temperature, transitioning from a moderately hot 79°F (26.1°C) in August to a pleasant 68.4°F (20.2°C). During September, the temperature is averaged to a low of 48.9°F (9.4°C) at night.Humidity
In September, the average relative humidity in Overly is 60%.Rainfall
In Overly, North Dakota, in September, during 10 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Overly, North Dakota, during the entire year, the rain falls for 106.7 days and collects up to 17.05" (433mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Overly, the average length of the day in September is 12h and 34min.On the first day of September in Overly, sunrise is at 6:58 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:20 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Overly, North Dakota, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Overly in September?
What is the average humidity in September in Overly?
How many days does it rain in September in Overly?
When it does not snow in Overly?
Does it snow in Overly in September?
What is the average length of the day in September in Overly?
When is the sunrise / sunset in September in Overly?
How long on average sun shines in September in Overly?
What is the UV index intensity in September in Overly?
Average temperature in September
Overly, ND
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is August (79°F).
The month with the lowest average high temperature is January (14.7°F).
- Average low temperature in September: 48.9°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (0.1°F).
Average pressure in September
Overly, ND
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Overly, ND
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is October (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in September
Overly, ND
- Average humidity in September: 60%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Overly, ND
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in September
Overly, ND
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Overly, ND
- Average snowfall in September: 0"
The month with the highest snowfall is November (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Overly, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Overly, ND
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 3min
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 0min).
Average sunshine days in September
Overly, ND
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is August (19 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Overly, ND
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Overly, ND
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Overly, 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 and February (4mi).
Overly, North Dakota, USA
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