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
As Stewart enters September, the average high-temperature subtly lowers from the a warm 78.4°F (25.8°C) of August to an agreeable 71.6°F (22°C). An average temperature of 52.2°F (11.2°C) is recorded during the nights in September.Humidity
In September, the average relative humidity in Stewart is 74%.Rainfall
In Stewart, during September, the rain falls for 11.5 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in Stewart, there are 117.9 rainfall days, and 20.91" (531mm) of precipitation is accumulated.Snowfall
In Stewart, snow does not fall in June through September.Daylight
In Stewart, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:15 am and sunset at 6:59 pm CDT.
Sunshine
The average sunshine in September in Stewart is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the average September temperature in Stewart?
What is the average humidity in September in Stewart?
How many days does it rain in September in Stewart?
When it does not snow in Stewart?
Does it snow in Stewart in September?
How many hours of daylight does Stewart have in September?
What time are sunrise and sunset in September in Stewart?
How long on average sun shines in September in Stewart?
What is the UV index reading in September in Stewart?
Average temperature in September
Stewart, MN
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in September
Stewart, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Stewart, MN
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
Stewart, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Stewart, MN
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Stewart, MN
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in September
Stewart, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Stewart, MN
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stewart, 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 24min).
Average sunshine days in September
Stewart, MN
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Stewart, 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
Stewart, MN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Stewart, 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 months with the lowest visibility are January, February and December (5mi).
Stewart, Minnesota, USA
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