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
Saint Peter experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 78.4°F (25.8°C) in August to a pleasant 72.5°F (22.5°C). An average temperature of 52.7°F (11.5°C) is recorded in Saint Peter during the nights in September.Humidity
In September, the average relative humidity is 75%.Rainfall
In Saint Peter, Minnesota, in September, during 11.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Saint Peter, Minnesota, there are 123.2 rainfall days, and 22.28" (566mm) of precipitation is accumulated.Snowfall
In Saint Peter, snow does not fall in May through September.Daylight
In September, the average length of the day in Saint Peter, Minnesota, is 12h and 30min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:57 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are the temperatures in Saint Peter in September?
What is the average humidity in September in Saint Peter?
How many days does it rain in September in Saint Peter?
When it does not snow in Saint Peter?
Does it snow in Saint Peter in September?
What is the average length of the day in September in Saint Peter?
When are sunrise and sunset in September in Saint Peter?
How many hours of sunshine does Saint Peter have in September?
How high is the UV index in September in Saint Peter?
Average temperature in September
Saint Peter, MN
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (21.2°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 (7.7°F).
Average pressure in September
Saint Peter, 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
Saint Peter, MN
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Saint Peter, MN
- Average humidity in September: 75%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (70%).
Average rainfall in September
Saint Peter, MN
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Saint Peter, MN
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in September
Saint Peter, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Saint Peter, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Peter, 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 18min).
Average sunshine days in September
Saint Peter, MN
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Saint Peter, 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
Saint Peter, MN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Saint Peter, MN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Saint Peter, Minnesota, USA
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