September weather forecastDot Lake, AK
September
Weather in September
The first month of the autumn, September, is still a cool month in Dot Lake, Alaska, with an average temperature ranging between min 37.9°F (3.3°C) and max 53.6°F (12°C).Temperature
In September, the average high-temperature goes from an enjoyable 64.4°F (18°C) in August to a cool 53.6°F (12°C). September nights experience a consistent temperature drop to a cold 37.9°F (3.3°C).Humidity
The average relative humidity in September is 67%.Rainfall
In September, the rain falls for 8.4 days. Throughout September, 0.59" (15mm) of precipitation is accumulated. In Dot Lake, during the entire year, the rain falls for 70.4 days and collects up to 7.56" (192mm) of precipitation.Snowfall
January through May, August through December are months with snowfall. In September, it is snowing for 1.9 days. Throughout September, 0.71" (18mm) of snow is accumulated. In Dot Lake, Alaska, during the entire year, snow falls for 56.2 days and aggregates up to 18.66" (474mm) of snow.Daylight
The average length of the day in September is 12h and 57min.On the first day of September, sunrise is at 6:23 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:07 pm AKDT.
Sunshine
The average sunshine in September is 8.4h.UV index
January through March, September through December, with an average maximum UV index of 2, are months with the lowest UV index. 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 daily UV index of 2 during September translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Observe! Snow reflection can nearly intensify 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
Dot Lake, AK
- Average high temperature in September: 53.6°F
The warmest month (with the highest average high temperature) is July (69.8°F).
The month with the lowest average high temperature is January (5.4°F).
- Average low temperature in September: 37.9°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (-5.8°F).
Average pressure in September
Dot Lake, AK
- Average pressure in September: 29.77"Hg
The month with the highest atmospheric pressure is February (29.97"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed in September
Dot Lake, AK
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in September
Dot Lake, AK
- Average humidity in September: 67%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is May (51%).
Average rainfall in September
Dot Lake, AK
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is February (0.24").
Average rainfall days in September
Dot Lake, AK
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is August (12.3 days).
The month with the least rainy days is November (1.7 days).
Average snowfall in September
Dot Lake, AK
- Average snowfall in September: 0.71"
The months with the highest snowfall are March and October (2.99").
The months with the least snowfall are June and July (0").
Average snowfall days in September
Dot Lake, AK
- Average snowfall days in September: 1.9 days
The month with the highest number of snowfall days is November (9.6 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Dot Lake, AK
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 30min).
The month with the shortest days is December (Average daylight: 4h and 36min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is June (Average sunshine: 13h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in September
Dot Lake, AK
- Average sunshine days in September: 18.6 days
The months with the most sunshine days are January and December (23.5 days).
The month with the least sunshine days is August (17.4 days).
Average UV index in September
Dot Lake, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, September, October, November and December (UV index 2).
Average cloud cover in September
Dot Lake, AK
- Average cloud cover in September: 40
The months with the most cloud cover are March and November (Cloud cover 45).
The month with the least cloud cover is May (Cloud cover 35).
Average visibility in September
Dot Lake, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).





