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
As September commences, the average high-temperature shows a reduction, transitioning from a moderately hot 78.4°F (25.8°C) in August to a pleasant 68.9°F (20.5°C). Middle River, during the month of September, experiences an average low-temperature of 49.8°F (9.9°C).Humidity
In Middle River, the average relative humidity in September is 67%.Rainfall
In Middle River, during September, the rain falls for 10.4 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 104.3 rainfall days, and 18.39" (467mm) of precipitation is accumulated.Snowfall
In Middle River, Minnesota, snow does not fall in June through September.Daylight
In Middle River, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:43 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
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake precautions - Guarding against sun damage is counselled. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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 in Middle River?
How much does it rain in Middle River in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Middle River have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Middle River, MN
- Average high temperature in September: 68.9°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (13.8°F).
- Average low temperature in September: 49.8°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
Middle River, 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
Middle River, 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
Middle River, MN
- Average humidity in September: 67%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and August (66%).
Average rainfall in September
Middle River, MN
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is June (3.15").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in September
Middle River, MN
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (1.9 days).
Average snowfall in September
Middle River, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Middle River, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (16.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Middle River, 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 24min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Middle River, MN
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Middle River, 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
Middle River, MN
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Middle River, 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).
Middle River, Minnesota, USA
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