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
The move into September indicates a slight reduction in the average high-temperature, down from August's warm 78.8°F (26°C) to an agreeable 71.2°F (21.8°C). In Saint Paul, the average nighttime temperature during September is a cool 53.2°F (11.8°C).Humidity
The average relative humidity in September is 74%.Rainfall
In Saint Paul, in September, it is raining for 11.1 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, in Saint Paul, there are 116.5 rainfall days, and 21.81" (554mm) of precipitation is accumulated.Snowfall
In Saint Paul, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:54 pm CDT.
Sunshine
In Saint Paul, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Saint Paul is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are September temperatures in Saint Paul?
What is the average humidity in September in Saint Paul?
How much does it rain in Saint Paul in September?
When it does not snow in Saint Paul?
Does it snow in Saint Paul in September?
How many hours of daylight does Saint Paul have in September?
When are sunrise and sunset in September in Saint Paul?
How many hours of sunshine does Saint Paul have in September?
What is the UV index intensity in September in Saint Paul?
Average temperature in September
Saint Paul, MN
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (19.9°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Saint Paul, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Saint Paul, MN
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Saint Paul, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Saint Paul, MN
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Saint Paul, MN
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (2 days).
Average snowfall in September
Saint Paul, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Paul, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 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 Paul, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 4min
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 0min).
Average sunshine days in September
Saint Paul, MN
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in September
Saint Paul, 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
Saint Paul, MN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Saint Paul, 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).
Saint Paul, Minnesota, USA
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