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
Arrival of September comes with a reduction in the average high-temperature, falling from a moderately hot 80.8°F (27.1°C) in August to an agreeable 70.2°F (21.2°C). An average low-temperature of 50.9°F (10.5°C) is noted during the nights in September.Humidity
In Des Lacs, the average relative humidity in September is 56%.Rainfall
In September, the rain falls for 8.6 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 89.5 rainfall days, and 13.94" (354mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Des Lacs, the average length of the day in September is 12h and 34min.On the first day of September in Des Lacs, sunrise is at 7:05 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 7:26 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Des Lacs, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
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?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Des Lacs have in September?
How high is the UV index in September?
Average temperature in September
Des Lacs, ND
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.5°F).
Average pressure in September
Des Lacs, ND
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Des Lacs, 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 (8.6mph).
Average humidity in September
Des Lacs, ND
- Average humidity in September: 56%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Des Lacs, ND
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in September
Des Lacs, ND
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is June (14 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Des Lacs, ND
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Des Lacs, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Des Lacs, ND
- Average daylight in September: 12h and 4min
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 4min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Des Lacs, ND
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in September
Des Lacs, ND
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Des Lacs, ND
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Des Lacs, 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).
Des Lacs, North Dakota, USA
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