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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 78.1°F (25.6°C) in August to an agreeable 72.5°F (22.5°C). Throughout September, the temperature falls to an average low of 53.4°F (11.9°C).Humidity
In September, the average relative humidity in Alpha is 74%.Rainfall
In Alpha, in September, it is raining for 12 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 130.1 rainfall days, and 25.47" (647mm) of precipitation is accumulated.Snowfall
In Alpha, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:01 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alpha 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?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Alpha, MN
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (8.8°F).
Average pressure in September
Alpha, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Alpha, MN
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is February (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in September
Alpha, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Alpha, MN
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Alpha, MN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Alpha, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Alpha, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alpha, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Alpha, MN
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Alpha, 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 and November (UV index 1).
Average cloud cover in September
Alpha, MN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in September
Alpha, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Alpha, Minnesota, USA
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