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 August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 78.3°F (25.7°C) to an agreeable 70.7°F (21.5°C). Lake Henry's nights in September cool down to an average low-temperature of 50.7°F (10.4°C).Humidity
In September, the average relative humidity is 73%.Rainfall
In Lake Henry, in September, it is raining for 9.4 days, with typically 0.94" (24mm) of accumulated precipitation. In Lake Henry, during the entire year, the rain falls for 94.5 days and collects up to 11.77" (299mm) of precipitation.Snowfall
In Lake Henry, snow does not fall in June through September.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 is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Undertake protective steps - Preventing sun damage is advised. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Lake Henry have in September?
How high is the UV index in September?
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
Weather forecast for your location
2. Allow the app to use your location