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 shift from August to September coincides with a small decrease in the average high-temperature, down to an agreeable 70.7°F (21.5°C) from a warm 79.3°F (26.3°C). During September, Underwood records a consistent average nighttime temperature of 51.6°F (10.9°C).Humidity
The average relative humidity in September is 67%.Rainfall
In Underwood, in September, during 10.6 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Underwood, during the entire year, the rain falls for 116.9 days and collects up to 21.54" (547mm) of precipitation.Snowfall
In Underwood, snow does not fall in June through September.Daylight
The average length of the day in September in Underwood is 12h and 32min.On the first day of the month, sunrise is at 6:44 am and sunset at 8:01 pm. On the last day of September, in Underwood, sunrise is at 7:21 am and sunset at 7:04 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Underwood, Minnesota, is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What are September temperatures in Underwood?
What is the average humidity in September in Underwood?
How much does it rain in Underwood in September?
When it does not snow in Underwood?
Does it snow in Underwood in September?
How many hours of daylight does Underwood have in September?
What time are sunrise and sunset in September in Underwood?
How many hours of sunshine does Underwood have in September?
How high is the UV index in September in Underwood?
Average temperature in September
Underwood, MN
- Average high temperature in September: 70.7°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 (16.3°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).
Average pressure in September
Underwood, MN
- Average pressure in September: 29.98"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
Underwood, MN
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in September
Underwood, MN
- Average humidity in September: 67%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Underwood, MN
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Underwood, MN
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Underwood, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Underwood, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Underwood, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Underwood, MN
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Underwood, 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
Underwood, MN
- Average cloud cover in September: 30
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 27).
Average visibility in September
Underwood, 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, March and December (5mi).
Underwood, Minnesota, USA
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