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's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a moderately hot 77.2°F (25.1°C) in August to an agreeable 71.2°F (21.8°C). Throughout September, the temperature falls to an average low of 52.7°F (11.5°C).Humidity
The average relative humidity in September is 77%.Rainfall
In September, the rain falls for 11 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. In Owatonna, during the entire year, the rain falls for 123.9 days and collects up to 23.74" (603mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Owatonna is 12h and 30min.On the first day of September, sunrise is at 6:36 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:54 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.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 exposure to the Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Owatonna 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?
How many hours of daylight does Owatonna have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Owatonna?
Average temperature in September
Owatonna, MN
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (20.5°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 (7.5°F).
Average pressure in September
Owatonna, MN
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Owatonna, MN
- Average wind speed in September: 8.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Owatonna, MN
- Average humidity in September: 77%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Owatonna, MN
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Owatonna, MN
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Owatonna, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Owatonna, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Owatonna, 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: 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 0min).
Average sunshine days in September
Owatonna, MN
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Owatonna, 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
Owatonna, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Owatonna, 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).
Owatonna, Minnesota, USA
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