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 move into September indicates a reduction in the average high-temperature, down from August's moderately hot 81.1°F (27.3°C) to an agreeable 70.7°F (21.5°C). Charlson's September nights cool down to an average low-temperature of 51.1°F (10.6°C).Humidity
The average relative humidity in September is 54%.Rainfall
In September, in Charlson, the rain falls for 6.9 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. In Charlson, during the entire year, the rain falls for 69.9 days and collects up to 6.77" (172mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Charlson is 12h and 34min.On the first day of September, sunrise is at 6:10 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:31 pm MDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Charlson in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Charlson have in September?
When is the sunrise / sunset in September in Charlson?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Charlson, ND
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).
Average pressure in September
Charlson, ND
- Average pressure in September: 29.94"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
Charlson, ND
- Average wind speed in September: 9.8mph
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 (8.6mph).
Average humidity in September
Charlson, ND
- Average humidity in September: 54%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Charlson, ND
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is June (1.18").
The driest months (with the least rainfall) are January and February (0.2").
Average rainfall days in September
Charlson, ND
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is June (11.3 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in September
Charlson, ND
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Charlson, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Charlson, 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 3min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Charlson, ND
- Average sunshine days in September: 21.1 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is June (15.7 days).
Average UV index in September
Charlson, 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, March, October, November and December (UV index 2).
Average cloud cover in September
Charlson, ND
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in September
Charlson, 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).
Charlson, North Dakota, USA
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