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
During September, Karluk records an average high-temperature of a fresh 51.6°F (10.9°C), marking a slight divergence from August's 56.3°F (13.5°C). Night temperatures during September experience a slight downturn, averaging a chilly 45.9°F (7.7°C).Humidity
The average relative humidity in September in Karluk is 83%.Rainfall
In Karluk, in September, during 18.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 201 rainfall days, and 34.33" (872mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 59 snowfall days, and 25.04" (636mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 45min.On the first day of September, sunrise is at 7:20 am and sunset at 9:14 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 7:53 pm AKDT.
Sunshine
The average sunshine in September is 5.9h.UV index
In Karluk, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. 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
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Karluk, AK
- Average high temperature in September: 51.6°F
The warmest month (with the highest average high temperature) is August (56.3°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 45.9°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is March (26.6°F).
Average pressure in September
Karluk, AK
- Average pressure in September: 29.71"Hg
The month with the highest atmospheric pressure is July (29.97"Hg).
The month with the lowest atmospheric pressure is December (29.56"Hg).
Average wind speed in September
Karluk, AK
- Average wind speed in September: 10.6mph
The windiest month (with the highest average wind speed) is December (14mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Karluk, AK
- Average humidity in September: 83%
The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is May (80%).
Average rainfall in September
Karluk, AK
- Average rainfall in September: 3.43"
The wettest month (with the highest rainfall) is October (4.06").
The driest month (with the least rainfall) is June (1.89").
Average rainfall days in September
Karluk, AK
- Average rainfall days in September: 18.8 days
The months with the highest number of rainy days are May, September and October (18.8 days).
The month with the least rainy days is March (12.7 days).
Average snowfall in September
Karluk, AK
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Karluk, AK
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is March (11.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Karluk, AK
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The months with the least sunshine are January and December (Average sunshine: 2h and 42min).
Average sunshine days in September
Karluk, AK
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is February (7 days).
Average UV index in September
Karluk, AK
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Karluk, AK
- Average cloud cover in September: 55
The months with the most cloud cover are February and December (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 55).
Average visibility in September
Karluk, AK
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Karluk, Alaska, USA
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