September weather forecastGoodnews Bay, AK
September
Weather in September
The first month of the autumn, September, is still a cool month in Goodnews Bay, Alaska, with temperature in the range of an average low of 48.2°F (9°C) and an average high of 50.9°F (10.5°C).Temperature
Shifting into September, Goodnews Bay records an average high-temperature of a still fresh 50.9°F (10.5°C), presenting minor fluctuations compared to the previous month. Night temperatures during September stabilize at an average of 48.2°F (9°C), closely mirroring the daytime temperatures.Humidity
In Goodnews Bay, the average relative humidity in September is 82%.Rainfall
In Goodnews Bay, Alaska, in September, during 20.2 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. In Goodnews Bay, during the entire year, the rain falls for 138.3 days and collects up to 25.71" (653mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 71.1 snowfall days, and 21.65" (550mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 47min.On the first day of September, sunrise is at 7:45 am and sunset at 9:46 pm. On the last day of the month, sunrise is at 8:51 am and sunset at 8:20 pm AKDT.
Sunshine
The average sunshine in September is 4.7h.UV index
In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during September leads to these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Goodnews Bay, AK
- Average high temperature in September: 50.9°F
The warmest month (with the highest average high temperature) is August (53.6°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in September: 48.2°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is March (19.8°F).
Average pressure in September
Goodnews Bay, AK
- Average pressure in September: 29.71"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.56"Hg).
Average wind speed in September
Goodnews Bay, AK
- Average wind speed in September: 17.3mph
The windiest month (with the highest average wind speed) is December (21.6mph).
The calmest month (with the lowest average wind speed) is July (12.2mph).
Average humidity in September
Goodnews Bay, AK
- Average humidity in September: 82%
The months with the highest relative humidity are January and July (88%).
The month with the lowest relative humidity is October (79%).
Average rainfall in September
Goodnews Bay, AK
- Average rainfall in September: 3.43"
The wettest month (with the highest rainfall) is October (3.7").
The driest months (with the least rainfall) are May and June (0.94").
Average rainfall days in September
Goodnews Bay, AK
- Average rainfall days in September: 20.2 days
The month with the highest number of rainy days is September (20.2 days).
The month with the least rainy days is March (4.4 days).
Average snowfall in September
Goodnews Bay, AK
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (4.65").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Goodnews Bay, AK
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (11.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Goodnews Bay, AK
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 4h and 42min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The months with the least sunshine are November and December (Average sunshine: 2h and 18min).
Average sunshine days in September
Goodnews Bay, AK
- Average sunshine days in September: 7 days
The month with the most sunshine days is May (15.8 days).
The month with the least sunshine days is September (7 days).
Average UV index in September
Goodnews Bay, 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 February, March, November and December (UV index 1).
Average cloud cover in September
Goodnews Bay, AK
- Average cloud cover in September: 64
The months with the most cloud cover are February and December (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 54).
Average visibility in September
Goodnews Bay, AK
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
