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
With September's onset, the average high-temperature recedes from August's moderately hot 79°F (26.1°C) to an agreeable 68.9°F (20.5°C). An average nighttime temperature of 50.5°F (10.3°C) is witnessed throughout September.Humidity
The average relative humidity in September is 66%.Rainfall
In September, the rain falls for 10.1 days. Throughout September, 1.65" (42mm) of precipitation is accumulated. In Red Lake Falls, during the entire year, the rain falls for 104 days and collects up to 18.03" (458mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 33min.On the first day of September, sunrise is at 6:44 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:05 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature 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 Red Lake Falls have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Red Lake Falls have in September?
What is the UV index intensity in September?
Average temperature in September
Red Lake Falls, MN
- Average high temperature in September: 68.9°F
The warmest months (with the highest average high temperature) are July and August (79°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in September
Red Lake Falls, 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
Red Lake Falls, MN
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is October (10.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in September
Red Lake Falls, MN
- Average humidity in September: 66%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Red Lake Falls, MN
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in September
Red Lake Falls, MN
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is January (1.7 days).
Average snowfall in September
Red Lake Falls, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Red Lake Falls, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Red Lake Falls, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Red Lake Falls, MN
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Red Lake Falls, 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
Red Lake Falls, MN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Red Lake Falls, 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 and December (4mi).
Red Lake Falls, Minnesota, USA
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