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
September ushers in a minor alteration in West Union's climate, with the average high-temperature moving from August's warm 78.1°F (25.6°C) to a pleasant 69.8°F (21°C). During September, West Union records an average temperature of 50.4°F (10.2°C) at night.Humidity
In September, the average relative humidity is 73%.Rainfall
In West Union, in September, it is raining for 10.6 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 111.2 rainfall days, and 20.87" (530mm) of precipitation is accumulated.Snowfall
In West Union, Minnesota, snow does not fall in June through September.Daylight
In West Union, Minnesota, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:57 pm. On the last day of September, in West Union, sunrise is at 7:18 am and sunset at 7:01 pm CDT.
Sunshine
In September, the average sunshine in West Union, Minnesota, is 8.9h.UV index
In West Union, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are September temperatures in West Union?
What is the average humidity in September in West Union?
How much does it rain in West Union in September?
When it does not snow in West Union?
Does it snow in West Union in September?
How many hours of daylight does West Union have in September?
When are sunrise and sunset in September in West Union?
How many hours of sunshine does West Union have in September?
What is the UV index reading in September in West Union?
Average temperature in September
West Union, MN
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (17.6°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (4.5°F).
Average pressure in September
West Union, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
West Union, MN
- Average wind speed in September: 8.7mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in September
West Union, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
West Union, MN
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in September
West Union, MN
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (1.4 days).
Average snowfall in September
West Union, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Union, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
West Union, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
West Union, MN
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in September
West Union, 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
West Union, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
West Union, 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).
West Union, Minnesota, USA
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