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 onset of September coincides with a reduction in the average high-temperature, falling from a moderately hot 80.6°F (27°C) in August to a pleasant 70.7°F (21.5°C). Nighttime temperature lowers to an average of 51.6°F (10.9°C) in September.Humidity
The average relative humidity in September in East Grand Forks is 62%.Rainfall
In East Grand Forks, in September, during 7.7 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In East Grand Forks, during the entire year, the rain falls for 80.3 days and collects up to 10.47" (266mm) of precipitation.Snowfall
In East Grand Forks, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:47 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:08 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in East Grand Forks is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are the temperatures in East Grand Forks in September?
What is the average humidity in September in East Grand Forks?
How much does it rain in East Grand Forks in September?
When it does not snow in East Grand Forks?
Does it snow in East Grand Forks in September?
What is the average length of the day in September in East Grand Forks?
When are sunrise and sunset in September in East Grand Forks?
How many hours of sunshine does East Grand Forks have in September?
How high is the UV index in September in East Grand Forks?
Average temperature in September
East Grand Forks, MN
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is August (80.6°F).
The month with the lowest average high temperature is January (15.3°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (0.9°F).
Average pressure in September
East Grand Forks, MN
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
East Grand Forks, MN
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).
Average humidity in September
East Grand Forks, MN
- Average humidity in September: 62%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
East Grand Forks, MN
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in September
East Grand Forks, MN
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is January (0.8 days).
Average snowfall in September
East Grand Forks, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
East Grand Forks, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
East Grand Forks, MN
- 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 30min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
East Grand Forks, MN
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is June (13.7 days).
Average UV index in September
East Grand Forks, MN
- 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, November and December (UV index 1).
Average cloud cover in September
East Grand Forks, MN
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
East Grand Forks, MN
- 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).
East Grand Forks, Minnesota, USA
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