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 arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 77.2°F (25.1°C) to an agreeable 68.5°F (20.3°C). In Ottertail, the average low-temperature during the month of September is a cool 50°F (10°C).Humidity
The average relative humidity in September is 71%.Rainfall
In September, in Ottertail, Minnesota, the rain falls for 9.8 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. In Ottertail, Minnesota, during the entire year, the rain falls for 107.6 days and collects up to 17.83" (453mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:43 am and sunset at 8:00 pm. On the last day of September, in Ottertail, sunrise is at 7:20 am and sunset at 7:03 pm CDT.
Sunshine
In Ottertail, the average sunshine in September is 8.7h.UV index
In Ottertail, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What are September temperatures in Ottertail?
What is the average humidity in September in Ottertail?
How much does it rain in Ottertail in September?
When it does not snow in Ottertail?
Does it snow in Ottertail in September?
How many hours of daylight does Ottertail have in September?
When is the sunrise / sunset in September in Ottertail?
How long on average sun shines in September in Ottertail?
What is the UV index intensity in September in Ottertail?
Average temperature in September
Ottertail, MN
- Average high temperature in September: 68.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (16.2°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (3.6°F).
Average pressure in September
Ottertail, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Ottertail, MN
- Average wind speed in September: 8.7mph
The windiest months (with the highest average wind speed) are April, October and November (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in September
Ottertail, MN
- Average humidity in September: 71%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Ottertail, MN
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is June (2.95").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in September
Ottertail, MN
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Ottertail, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ottertail, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ottertail, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Ottertail, MN
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Ottertail, 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
Ottertail, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Ottertail, 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 and February (4mi).
Ottertail, Minnesota, USA
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