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
With the arrival of September, Marine on Saint Croix experiences a modest decline in average high-temperatures, transitioning from a moderately hot 77.2°F (25.1°C) in August to a pleasant 70.2°F (21.2°C). Marine on Saint Croix, in September, experiences an average temperature of 51.8°F (11°C) at night.Humidity
In September, the average relative humidity in Marine on Saint Croix is 77%.Rainfall
In Marine on Saint Croix, Minnesota, during September, the rain falls for 12 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 120.2 rainfall days, and 21.46" (545mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Marine on Saint Croix.Daylight
In Marine on Saint Croix, the average length of the day in September is 12h and 31min.On the first day of September in Marine on Saint Croix, sunrise is at 6:33 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
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Marine on Saint Croix is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Marine on Saint Croix in September?
What is the average humidity in September in Marine on Saint Croix?
How much does it rain in Marine on Saint Croix in September?
When it does not snow in Marine on Saint Croix?
Does it snow in Marine on Saint Croix in September?
How many hours of daylight does Marine on Saint Croix have in September?
When are sunrise and sunset in September in Marine on Saint Croix?
How many hours of sunshine does Marine on Saint Croix have in September?
What is the UV index reading in September in Marine on Saint Croix?
Average temperature in September
Marine on Saint Croix, MN
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (18.9°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
Marine on Saint Croix, 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
Marine on Saint Croix, 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 (6.6mph).
Average humidity in September
Marine on Saint Croix, MN
- Average humidity in September: 77%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Marine on Saint Croix, MN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Marine on Saint Croix, MN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in September
Marine on Saint Croix, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Marine on Saint Croix, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Marine on Saint Croix, 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 3min
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
Marine on Saint Croix, MN
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is December (17.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Marine on Saint Croix, 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
Marine on Saint Croix, 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
Marine on Saint Croix, 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).
Marine on Saint Croix, Minnesota, USA
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