September weather forecastNightmute, AK
September
Weather in September
September, the first month of the autumn in Nightmute, is also a frosty month, with an average temperature fluctuating between 46.2°F (7.9°C) and 49.3°F (9.6°C).Temperature
Nightmute marks the arrival of September with an average high-temperature of a frosty 49.3°F (9.6°C), hardly different from August's 53.2°F (11.8°C). Nightmute's September nights exhibit a subtle drop in temperature, averaging at 46.2°F (7.9°C), closely aligned with the daytime highs.Humidity
In Nightmute, the average relative humidity in September is 83%.Rainfall
September is the month with the most rainfall. Rain falls for 21.1 days and accumulates 2.83" (72mm) of precipitation.Snowfall
July through September are months without snowfall.Daylight
The average length of the day in September is 12h and 50min.On the first day of September, sunrise is at 7:55 am and sunset at 10:01 pm. On the last day of the month, sunrise is at 9:04 am and sunset at 8:32 pm AKDT.
Sunshine
In September, the average sunshine is 3.6h.UV index
In Nightmute, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 during September translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To best shield against UV radiation, choose sun-safe garments and dependable 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
Nightmute, AK
- Average high temperature in September: 49.3°F
The warmest month (with the highest average high temperature) is August (53.2°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in September: 46.2°F
The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in September
Nightmute, AK
- Average pressure in September: 29.72"Hg
The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).
Average wind speed in September
Nightmute, AK
- Average wind speed in September: 16.4mph
The windiest month (with the highest average wind speed) is November (19.3mph).
The calmest month (with the lowest average wind speed) is July (11.7mph).
Average humidity in September
Nightmute, AK
- Average humidity in September: 83%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (79%).
Average rainfall in September
Nightmute, AK
- Average rainfall in September: 2.83"
The wettest month (with the highest rainfall) is September (2.83").
The driest month (with the least rainfall) is June (0.87").
Average rainfall days in September
Nightmute, AK
- Average rainfall days in September: 21.1 days
The month with the highest number of rainy days is September (21.1 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Nightmute, AK
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.78").
The months with the least snowfall are July, August and September (0").
Average snowfall days in September
Nightmute, AK
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Nightmute, AK
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 3h and 36min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Nightmute, AK
- Average sunshine days in September: 4.7 days
The month with the most sunshine days is May (14.7 days).
The month with the least sunshine days is September (4.7 days).
Average UV index in September
Nightmute, AK
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, April, November and December (UV index 1).
Average cloud cover in September
Nightmute, AK
- Average cloud cover in September: 74
The months with the most cloud cover are September and December (Cloud cover 74).
The month with the least cloud cover is May (Cloud cover 59).
Average visibility in September
Nightmute, 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).
