September weather forecastOronoco, MN
September
Weather in September
September, the first month of the autumn in Oronoco, is also an agreeable month, with temperature in the range of an average low of 51.8°F (11°C) and an average high of 70.9°F (21.6°C).Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to an agreeable 70.9°F (21.6°C) from August's moderately hot 77°F (25°C). Throughout September, Oronoco witnesses a nighttime temperature average of 51.8°F (11°C).Humidity
The average relative humidity in September is 79%.Rainfall
In Oronoco, in September, it is raining for 11 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 119.9 rainfall days, and 21.1" (536mm) of precipitation is accumulated.Snowfall
In Oronoco, snow does not fall in June through September.Daylight
In Oronoco, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 6:34 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:52 pm CDT.
Sunshine
In Oronoco, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oronoco, MN
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in September
Oronoco, MN
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Oronoco, MN
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Oronoco, MN
- Average humidity in September: 79%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Oronoco, MN
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Oronoco, MN
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is June (17 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in September
Oronoco, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Oronoco, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oronoco, MN
- Average daylight in September: 12h and 30min
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 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Oronoco, MN
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in September
Oronoco, 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
Oronoco, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Oronoco, 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, March and December (5mi).





