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
The onset of September brings a small shift in high-temperatures, falling from a moderate 60.4°F (15.8°C) in August to a cool 54.3°F (12.4°C). King Salmon records an average low of 42.4°F (5.8°C) throughout the nights in September.Humidity
In September, the average relative humidity in King Salmon is 81%.Rainfall
In King Salmon, during September, the rain falls for 17.5 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in King Salmon, there are 158.9 rainfall days, and 18.43" (468mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in King Salmon is 12h and 47min.On the first day of the month, sunrise is at 7:27 am and sunset at 9:25 pm. On the last day of September, in King Salmon, sunrise is at 8:31 am and sunset at 8:01 pm AKDT.
Sunshine
In King Salmon, the average sunshine in September is 5.4h.UV index
In King Salmon, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in September interprets into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are September temperatures in King Salmon?
What is the average humidity in September in King Salmon?
How many days does it rain in September in King Salmon?
When it does not snow in King Salmon?
Does it snow in King Salmon in September?
What is the average length of the day in September in King Salmon?
When are sunrise and sunset in September in King Salmon?
How long on average sun shines in September in King Salmon?
What is the UV index reading in September in King Salmon?
Average temperature in September
King Salmon, AK
- Average high temperature in September: 54.3°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 (20.8°F).
- Average low temperature in September: 42.4°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in September
King Salmon, AK
- Average pressure in September: 29.72"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).
Average wind speed in September
King Salmon, AK
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is December (10.4mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in September
King Salmon, AK
- Average humidity in September: 81%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
King Salmon, AK
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
King Salmon, AK
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is March (6.7 days).
Average snowfall in September
King Salmon, AK
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
King Salmon, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
King Salmon, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in September
King Salmon, AK
- Average sunshine days in September: 11 days
The month with the most sunshine days is January (15.3 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
King Salmon, AK
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in September
King Salmon, AK
- Average cloud cover in September: 58
The month with the most cloud cover is August (Cloud cover 65).
The months with the least cloud cover are January and May (Cloud cover 55).
Average visibility in September
King Salmon, AK
- Average visibility in September: 6mi
The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).
King Salmon, Alaska, USA
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