September weather forecastOrr, MN
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Orr, Minnesota, with an average temperature varying between 46.9°F (8.3°C) and 65.8°F (18.8°C).Temperature
With September's arrival, Orr sees a decrease in average high-temperatures, moving from a warm 75.7°F (24.3°C) in August to an enjoyable 65.8°F (18.8°C). Orr experiences an average low-temperature reading of 46.9°F (8.3°C) throughout September.Humidity
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 12.4 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 113.3 rainfall days, and 20.75" (527mm) of precipitation is accumulated.Snowfall
Months with snowfall in Orr are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 119.5 snowfall days, and 48.35" (1228mm) of snow is accumulated.Daylight
In Orr, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:30 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:51 pm CDT.
Sunshine
The average sunshine in September is 7.7h.UV index
In Orr, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Orr, MN
- Average high temperature in September: 65.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in September: 46.9°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (-0.2°F).
Average pressure in September
Orr, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Orr, MN
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Orr, MN
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Orr, MN
- Average rainfall in September: 1.77"
The wettest months (with the highest rainfall) are June and July (2.56").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in September
Orr, MN
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Orr, MN
- Average snowfall in September: 0.04"
The month with the highest snowfall is December (9.41").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Orr, MN
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (24.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Orr, MN
- Average daylight in September: 12h and 36min
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: 7h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in September
Orr, MN
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in September
Orr, MN
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Orr, MN
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Orr, MN
- Average visibility in September: 5mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





