September weather forecastLake Minchumina, AK
September
Weather in September
September, the first month of the autumn in Lake Minchumina, is also a fresh month, with an average temperature fluctuating between 50.4°F (10.2°C) and 36.7°F (2.6°C).Temperature
As August transitions to September, the average high-temperature falls from a refreshing 61.7°F (16.5°C) to a cool 50.4°F (10.2°C). Lake Minchumina reports a consistent average low-temperature of 36.7°F (2.6°C) throughout September nights.Humidity
In September, the average relative humidity in Lake Minchumina is 79%.Rainfall
In Lake Minchumina, in September, it is raining for 12.3 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 117 rainfall days, and 10.87" (276mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 2.1 snowfall days, it receives 0.87" (22mm) of snow. In Lake Minchumina, during the entire year, snow falls for 98.6 days and aggregates up to 19.09" (485mm) of snow.Daylight
The average length of the day in September is 12h and 58min.On the first day of September, sunrise is at 6:55 am and sunset at 9:22 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 7:39 pm AKDT.
Sunshine
The average sunshine in September is 6.2h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in September translates into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lake Minchumina, AK
- Average high temperature in September: 50.4°F
The warmest month (with the highest average high temperature) is July (68.4°F).
The month with the lowest average high temperature is January (0.5°F).
- Average low temperature in September: 36.7°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (-8.3°F).
Average pressure in September
Lake Minchumina, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is February (29.92"Hg).
The months with the lowest atmospheric pressure are September and October (29.75"Hg).
Average wind speed in September
Lake Minchumina, AK
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Lake Minchumina, AK
- Average humidity in September: 79%
The month with the highest relative humidity is March (95%).
The months with the lowest relative humidity are May and June (61%).
Average rainfall in September
Lake Minchumina, AK
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is June (2.09").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in September
Lake Minchumina, AK
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is December (3.1 days).
Average snowfall in September
Lake Minchumina, AK
- Average snowfall in September: 0.87"
The month with the highest snowfall is November (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Lake Minchumina, AK
- Average snowfall days in September: 2.1 days
The month with the highest number of snowfall days is November (16.4 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Lake Minchumina, AK
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in September: 6h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Lake Minchumina, AK
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in September
Lake Minchumina, AK
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, March, October, November and December (UV index 1).
Average cloud cover in September
Lake Minchumina, AK
- Average cloud cover in September: 52
The months with the most cloud cover are March and April (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 43).
Average visibility in September
Lake Minchumina, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).





