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
September ushers in a slight temperature change, with average high-temperatures reducing from August's moderately hot 82.2°F (27.9°C) to a pleasant 72°F (22.2°C). The nighttime temperature dips to a fresh 52°F (11.1°C) on average during September.Humidity
In Dawson, the average relative humidity in September is 57%.Rainfall
In Dawson, in September, it is raining for 8.9 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 105.9 rainfall days, and 15" (381mm) of precipitation is accumulated.Snowfall
In Dawson, snow does not fall in June through September.Daylight
In Dawson, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:59 am and sunset at 8:17 pm. On the last day of September, in Dawson, North Dakota, sunrise is at 7:37 am and sunset at 7:19 pm CDT.
Sunshine
In Dawson, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Dawson is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the average September temperature in Dawson?
What is the average humidity in September in Dawson?
How many days does it rain in September in Dawson?
When it does not snow in Dawson?
Does it snow in Dawson in September?
How many hours of daylight does Dawson have in September?
When are sunrise and sunset in September in Dawson?
How long on average sun shines in September in Dawson?
How high is the UV index in September in Dawson?
Average temperature in September
Dawson, ND
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in September
Dawson, ND
- Average pressure in September: 29.95"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
Dawson, ND
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in September
Dawson, ND
- Average humidity in September: 57%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Dawson, ND
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Dawson, ND
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in September
Dawson, ND
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dawson, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dawson, ND
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Dawson, ND
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is March (12.3 days).
Average UV index in September
Dawson, 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, November and December (UV index 1).
Average cloud cover in September
Dawson, ND
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in September
Dawson, 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).
Dawson, North Dakota, USA
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