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 brings a slight decrease in temperature, down from a warm 78.4°F (25.8°C) in August to a pleasant 71.2°F (21.8°C). Throughout the nights in September, an average low-temperature of 52.7°F (11.5°C) is noted in Prior Lake.Humidity
In September, the average relative humidity is 75%.Rainfall
In Prior Lake, Minnesota, in September, it is raining for 8.4 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 86.2 rainfall days, and 7.6" (193mm) of precipitation is accumulated.Snowfall
In Prior Lake, Minnesota, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September in Prior Lake, sunrise is at 6:37 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:55 pm CDT.
Sunshine
In September, the average sunshine in Prior Lake is 8.9h.UV index
In Prior Lake, Minnesota, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Prior Lake?
What is the average humidity in September in Prior Lake?
How much does it rain in Prior Lake in September?
When it does not snow in Prior Lake?
Does it snow in Prior Lake in September?
What is the average length of the day in September in Prior Lake?
When is the sunrise / sunset in September in Prior Lake?
How many hours of sunshine does Prior Lake have in September?
What is the UV index reading in September in Prior Lake?
Average temperature in September
Prior Lake, MN
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Prior Lake, MN
- Average pressure in September: 30"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
Prior Lake, MN
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Prior Lake, MN
- Average humidity in September: 75%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April, May and October (72%).
Average rainfall in September
Prior Lake, MN
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is June (1.18").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in September
Prior Lake, MN
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is June (12.2 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in September
Prior Lake, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Prior Lake, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Prior Lake, MN
- Average daylight in September: 12h and 3min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Prior Lake, MN
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in September
Prior Lake, 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
Prior Lake, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Prior Lake, 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).
Prior Lake, Minnesota, USA
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