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 shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a pleasant 72.5°F (22.5°C) to an enjoyable 63.9°F (17.7°C). Nighttime temperature experiences an average drop to a chilly 49.3°F (9.6°C) in September.Humidity
In Birchdale, the average relative humidity in September is 75%.Rainfall
In September, in Birchdale, the rain falls for 12.6 days. Throughout September, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 116.4 rainfall days, and 19.69" (500mm) of precipitation is accumulated.Snowfall
In Birchdale, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:15 am and sunset at 6:56 pm CDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Boost your sun resistance with garments that are densely woven yet spacious. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September in Birchdale?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Birchdale have in September?
What is the UV index intensity in September?
Average temperature in September
Birchdale, MN
- Average high temperature in September: 63.9°F
The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in September: 49.3°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (1.8°F).
Average pressure in September
Birchdale, MN
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Birchdale, MN
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is November (9.4mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in September
Birchdale, MN
- Average humidity in September: 75%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Birchdale, MN
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in September
Birchdale, MN
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in September
Birchdale, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Birchdale, MN
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (23.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Birchdale, MN
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Birchdale, MN
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is August (15.9 days).
The month with the least sunshine days is January (8.2 days).
Average UV index in September
Birchdale, MN
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 1).
Average cloud cover in September
Birchdale, MN
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 85).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Birchdale, MN
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Birchdale, Minnesota, USA
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