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 onset of September aligns with a soft reduction in the average high-temperature, gently falling from a moderately hot 78.4°F (25.8°C) in August to an agreeable 71.1°F (21.7°C). Howard Lake experiences an average nighttime temperature of 52°F (11.1°C) in the month of September.Humidity
In September, the average relative humidity is 75%.Rainfall
In September, in Howard Lake, the rain falls for 11 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. In Howard Lake, during the entire year, the rain falls for 109 days and collects up to 14.84" (377mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 6:39 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:57 pm CDT.
Sunshine
In Howard Lake, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Around midday, solar radiation is most harmful; hence, exposure should be limited. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
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?
What time are sunrise and sunset in September?
How many hours of sunshine does Howard Lake have in September?
What is the UV index reading in September in Howard Lake?
Average temperature in September
Howard Lake, MN
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (6.6°F).
Average pressure in September
Howard Lake, 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
Howard Lake, MN
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Howard Lake, MN
- Average humidity in September: 75%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Howard Lake, MN
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is June (2.56").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Howard Lake, MN
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Howard Lake, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Howard Lake, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Howard Lake, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Howard Lake, MN
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Howard Lake, 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
Howard Lake, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Howard Lake, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Howard Lake, Minnesota, USA
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