September weather forecastSaint Marys Point, MN
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Saint Marys Point, Minnesota, with an average temperature ranging between min 51.8°F (11°C) and max 70.5°F (21.4°C).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 77.4°F (25.2°C) in August to an agreeable 70.5°F (21.4°C). Saint Marys Point encounters an average low-temperature of 51.8°F (11°C) during September nights.Humidity
The average relative humidity in September in Saint Marys Point is 78%.Rainfall
In Saint Marys Point, during September, the rain falls for 12.2 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 130.4 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Saint Marys Point.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September in Saint Marys Point, sunrise is at 6:34 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:52 pm CDT.
Sunshine
In September, the average sunshine in Saint Marys Point, Minnesota, is 8.6h.UV index
In Saint Marys Point, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint Marys Point, MN
- Average high temperature in September: 70.5°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 (19.4°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in September
Saint Marys Point, 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 Marys Point, MN
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Saint Marys Point, MN
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Saint Marys Point, MN
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Saint Marys Point, MN
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in September
Saint Marys Point, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Marys Point, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Marys Point, MN
- Average daylight in September: 12h and 30min
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 48min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Saint Marys Point, MN
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Saint Marys Point, 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 Marys Point, MN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Saint Marys Point, 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).





