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
A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 78.3°F (25.7°C) in August to an agreeable 72.1°F (22.3°C). Nighttime temperatures consistently average a cool 52.7°F (11.5°C) during September.Humidity
In September, the average relative humidity in Arlington, Minnesota, is 75%.Rainfall
In Arlington, in September, during 11.8 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Arlington, during the entire year, the rain falls for 123.7 days and collects up to 23.98" (609mm) of precipitation.Snowfall
In Arlington, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 30min.On the first day of September in Arlington, Minnesota, sunrise is at 6:39 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:58 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In Arlington, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the average September temperature in Arlington?
What is the average humidity in September in Arlington?
How many days does it rain in September in Arlington?
When it does not snow in Arlington?
Does it snow in Arlington in September?
What is the average length of the day in September in Arlington?
When is the sunrise / sunset in September in Arlington?
How long on average sun shines in September in Arlington?
How high is the UV index in September in Arlington?
Average temperature in September
Arlington, MN
- Average high temperature in September: 72.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in September
Arlington, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Arlington, MN
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Arlington, MN
- Average humidity in September: 75%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Arlington, MN
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Arlington, MN
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Arlington, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Arlington, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arlington, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Arlington, MN
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Arlington, MN
- Average UV index in September: 4
The months with the highest UV index are June and 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
Arlington, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Arlington, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Arlington, Minnesota, USA
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