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 aligns with a soft reduction in the average high-temperature, gently falling from a moderately hot 74.8°F (23.8°C) in August to a comfortable 66°F (18.9°C). During September, Whiteface experiences a consistent low-temperature average of 47.1°F (8.4°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Whiteface, in September, it is raining for 14.3 days, with typically 1.97" (50mm) of accumulated precipitation. In Whiteface, during the entire year, the rain falls for 123.8 days and collects up to 22.24" (565mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 6:29 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:50 pm CDT.
Sunshine
In Whiteface, the average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Whiteface 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 in Whiteface?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Whiteface, MN
- Average high temperature in September: 66°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in September: 47.1°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in September
Whiteface, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Whiteface, MN
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Whiteface, MN
- Average humidity in September: 78%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Whiteface, MN
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are January and February (0.91").
Average rainfall days in September
Whiteface, MN
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in September
Whiteface, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (8.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Whiteface, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (21 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Whiteface, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Whiteface, MN
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is September (13.6 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in September
Whiteface, MN
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Whiteface, MN
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Whiteface, MN
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Whiteface, Minnesota, USA
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