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 September's onset, the average high-temperature recedes from August's moderately hot 78.4°F (25.8°C) to an agreeable 68.9°F (20.5°C). Saint Hilaire, during the month of September, experiences an average low-temperature of 49.8°F (9.9°C).Humidity
The average relative humidity in September in Saint Hilaire, Minnesota, is 67%.Rainfall
In Saint Hilaire, during September, the rain falls for 10.4 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 104.3 rainfall days, and 18.39" (467mm) of precipitation is accumulated.Snowfall
In Saint Hilaire, snow does not fall in June through September.Daylight
The average length of the day in September in Saint Hilaire, Minnesota, is 12h and 34min.On the first day of the month, sunrise is at 6:43 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:05 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Saint Hilaire, 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 the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the average September temperature in Saint Hilaire?
What is the average humidity in September in Saint Hilaire?
How many days does it rain in September in Saint Hilaire?
When it does not snow in Saint Hilaire?
Does it snow in Saint Hilaire in September?
How many hours of daylight does Saint Hilaire have in September?
When are sunrise and sunset in September in Saint Hilaire?
How long on average sun shines in September in Saint Hilaire?
What is the UV index intensity in September in Saint Hilaire?
Average temperature in September
Saint Hilaire, MN
- Average high temperature in September: 68.9°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (13.8°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in September
Saint Hilaire, MN
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Saint Hilaire, MN
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is October (10.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in September
Saint Hilaire, MN
- Average humidity in September: 67%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and August (66%).
Average rainfall in September
Saint Hilaire, MN
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is June (3.15").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in September
Saint Hilaire, MN
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (1.9 days).
Average snowfall in September
Saint Hilaire, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint Hilaire, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (16.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Saint Hilaire, MN
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Saint Hilaire, MN
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Saint Hilaire, 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 Hilaire, MN
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Saint Hilaire, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Saint Hilaire, Minnesota, USA
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