Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September signifies a minor drop in average high-temperature, transitioning from a refreshing 61.2°F (16.2°C) in August to a fresh 54.1°F (12.3°C). Aleknagik reports a consistent average low-temperature of 41.9°F (5.5°C) throughout September nights.Humidity
In Aleknagik, the average relative humidity in September is 79%.Rainfall
In Aleknagik, in September, it is raining for 15.2 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 142.3 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
In Aleknagik, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 48min.On the first day of the month, sunrise is at 7:33 am and sunset at 9:34 pm. On the last day of September, in Aleknagik, sunrise is at 8:39 am and sunset at 8:08 pm AKDT.
Sunshine
In September, the average sunshine is 5.4h.UV index
In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in September interprets into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Aleknagik have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Aleknagik have in September?
What is the UV index reading in September?
Average temperature in September
Aleknagik, AK
- Average high temperature in September: 54.1°F
The warmest month (with the highest average high temperature) is July (62.4°F).
The month with the lowest average high temperature is January (17.4°F).
- Average low temperature in September: 41.9°F
The month with the highest average low temperature is July (49.1°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in September
Aleknagik, AK
- Average pressure in September: 29.72"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.61"Hg).
Average wind speed in September
Aleknagik, AK
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is June (7.9mph).
Average humidity in September
Aleknagik, AK
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (68%).
Average rainfall in September
Aleknagik, AK
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is June (1.42").
Average rainfall days in September
Aleknagik, AK
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is August (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Aleknagik, AK
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Aleknagik, AK
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is March (11.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Aleknagik, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Aleknagik, AK
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is March (16.2 days).
The month with the least sunshine days is August (11.2 days).
Average UV index in September
Aleknagik, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Aleknagik, AK
- Average cloud cover in September: 57
The month with the most cloud cover is August (Cloud cover 62).
The months with the least cloud cover are June and November (Cloud cover 54).
Average visibility in September
Aleknagik, AK
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Aleknagik, Alaska, USA
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