September weather forecastLazy Mountain, AK
September
Weather in September
September, the first month of the autumn in Lazy Mountain, is still a chilly month, with an average temperature ranging between min 36.5°F (2.5°C) and max 48.7°F (9.3°C).Temperature
During the shift to September, Lazy Mountain records a mild decrease in average high-temperature, moving from a refreshing 57.6°F (14.2°C) in August to a chilly 48.7°F (9.3°C). Lazy Mountain throughout September, experiences an average nighttime temperature of 36.5°F (2.5°C).Humidity
The average relative humidity in September is 77%.Rainfall
September is the month with the most rainfall. Rain falls for 20.6 days and accumulates 2.24" (57mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 76.2 snowfall days, and 33.5" (851mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 6:48 am and sunset at 9:02 pm. On the last day of September, sunrise is at 8:02 am and sunset at 7:28 pm AKDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Lazy Mountain, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during September leads to these instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lazy Mountain, AK
- Average high temperature in September: 48.7°F
The warmest month (with the highest average high temperature) is July (61.2°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in September: 36.5°F
The month with the highest average low temperature is July (44.2°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in September
Lazy Mountain, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.7"Hg).
Average wind speed in September
Lazy Mountain, AK
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).
Average humidity in September
Lazy Mountain, AK
- Average humidity in September: 77%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are May and June (69%).
Average rainfall in September
Lazy Mountain, AK
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is September (2.24").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Lazy Mountain, AK
- Average rainfall days in September: 20.6 days
The month with the highest number of rainy days is June (22.4 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Lazy Mountain, AK
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (6.93").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Lazy Mountain, AK
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lazy Mountain, AK
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is May (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in September
Lazy Mountain, AK
- Average sunshine days in September: 7.5 days
The month with the most sunshine days is January (13.9 days).
The month with the least sunshine days is June (5.3 days).
Average UV index in September
Lazy Mountain, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Lazy Mountain, AK
- Average cloud cover in September: 42
The month with the most cloud cover is April (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 37).
Average visibility in September
Lazy Mountain, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are February, March and April (4mi).
