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
Lake Henry in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 78.3°F (25.7°C) to an agreeable 70.7°F (21.5°C). During September, Lake Henry records a consistent average nighttime temperature of 50.7°F (10.4°C).Humidity
In Lake Henry, the average relative humidity in September is 73%.Rainfall
In Lake Henry, in September, during 9.4 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Lake Henry, Minnesota, there are 94.5 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Lake Henry.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:00 pm CDT.
Sunshine
The average sunshine in September in Lake Henry is 8.9h.UV index
In Lake Henry, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Act with care - The need to guard against sun damage is communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the usual temperature for Lake Henry in September?
What is the average humidity in September in Lake Henry?
How many days does it rain in September in Lake Henry?
When it does not snow in Lake Henry?
Does it snow in Lake Henry in September?
What is the average length of the day in September in Lake Henry?
When are sunrise and sunset in September in Lake Henry?
How many hours of sunshine does Lake Henry have in September?
How high is the UV index in September in Lake Henry?
Average temperature in September
Lake Henry, 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 (18.3°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in September
Lake Henry, MN
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Lake Henry, MN
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Lake Henry, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in September
Lake Henry, MN
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is June (2.17").
The driest months (with the least rainfall) are January and February (0.31").
Average rainfall days in September
Lake Henry, MN
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (0.9 days).
Average snowfall in September
Lake Henry, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lake Henry, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lake Henry, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Lake Henry, MN
- Average sunshine days in September: 19 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (13 days).
Average UV index in September
Lake Henry, 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
Lake Henry, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Lake Henry, 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).
Lake Henry, Minnesota, USA
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