September weather forecastAuke Bay, AK
September
Weather in September
September, the first month of the autumn in Auke Bay, is still a chilly month, with an average temperature fluctuating between 41.9°F (5.5°C) and 48.4°F (9.1°C).Temperature
The average high-temperature shows a slight dip in September, from August's fresh 54°F (12.2°C) to a frosty 48.4°F (9.1°C). Throughout September, Auke Bay reports a steady low-temperature average of 41.9°F (5.5°C), slightly lower than its daytime counterpart.Humidity
In September, the average relative humidity in Auke Bay, Alaska, is 88%.Rainfall
In September, the rain falls for 20.5 days. Throughout September, 7.13" (181mm) of precipitation is accumulated. In Auke Bay, during the entire year, the rain falls for 203.6 days and collects up to 74.57" (1894mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Auke Bay, Alaska, the average length of the day in September is 12h and 47min.On the first day of September, sunrise is at 5:59 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:33 pm AKDT.
Sunshine
In Auke Bay, the average sunshine in September is 5.5h.UV index
In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in September translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Auke Bay, AK
- Average high temperature in September: 48.4°F
The warmest month (with the highest average high temperature) is July (55°F).
The months with the lowest average high temperature are January and December (27.7°F).
- Average low temperature in September: 41.9°F
The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is February (19.9°F).
Average pressure in September
Auke Bay, AK
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).
Average wind speed in September
Auke Bay, AK
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest months (with the lowest average wind speed) are June and July (3.8mph).
Average humidity in September
Auke Bay, AK
- Average humidity in September: 88%
The months with the highest relative humidity are January and August (89%).
The month with the lowest relative humidity is November (85%).
Average rainfall in September
Auke Bay, AK
- Average rainfall in September: 7.13"
The wettest month (with the highest rainfall) is October (9.06").
The driest month (with the least rainfall) is May (3.5").
Average rainfall days in September
Auke Bay, AK
- Average rainfall days in September: 20.5 days
The month with the highest number of rainy days is October (21.6 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Auke Bay, AK
- Average snowfall in September: 0"
The month with the highest snowfall is December (26.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Auke Bay, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Auke Bay, AK
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 5h and 30min
The month with the most sunshine is June (Average sunshine: 7h and 42min).
The months with the least sunshine are January and November (Average sunshine: 3h and 0min).
Average sunshine days in September
Auke Bay, AK
- Average sunshine days in September: 8.1 days
The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in September
Auke Bay, AK
- Average UV index in September: 2
The months with the highest UV index are May, June and July (UV index 3).
The months with the lowest UV index are October, November and December (UV index 1).
Average cloud cover in September
Auke Bay, AK
- Average cloud cover in September: 63
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is May (Cloud cover 56).
Average visibility in September
Auke Bay, AK
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (5mi).
The months with the lowest visibility are January, July and August (4mi).





