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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a cool 54.5°F (12.5°C) in August to a chilly 46.6°F (8.1°C). Sheshalik maintains a consistent average nighttime low-temperature of 40.8°F (4.9°C) throughout September.Humidity
In Sheshalik, the average relative humidity in September is 75%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 83.3 rainfall days, and 11.85" (301mm) 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 2.7 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, there are 86.9 snowfall days, and 21.46" (545mm) of snow is accumulated.Daylight
In Sheshalik, the average length of the day in September is 13h and 6min.On the first day of September, sunrise is at 7:26 am and sunset at 10:15 pm. On the last day of the month, sunrise is at 9:03 am and sunset at 8:18 pm AKDT.
Sunshine
The average sunshine in September is 6.2h.UV index
In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 2 in September translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice 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 does it start snowing in Sheshalik?
How many hours of daylight does Sheshalik have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Sheshalik, AK
- Average high temperature in September: 46.6°F
The warmest month (with the highest average high temperature) is July (54.9°F).
The month with the lowest average high temperature is January (6.3°F).
- Average low temperature in September: 40.8°F
The month with the highest average low temperature is August (48.4°F).
The coldest month (with the lowest average low temperature) is January (-1.1°F).
Average pressure in September
Sheshalik, AK
- Average pressure in September: 29.77"Hg
The month with the highest atmospheric pressure is March (29.96"Hg).
The months with the lowest atmospheric pressure are September and October (29.77"Hg).
Average wind speed in September
Sheshalik, AK
- Average wind speed in September: 11.2mph
The windiest month (with the highest average wind speed) is October (13.3mph).
The calmest month (with the lowest average wind speed) is May (7.9mph).
Average humidity in September
Sheshalik, AK
- Average humidity in September: 75%
The months with the highest relative humidity are February and March (90%).
The month with the lowest relative humidity is June (74%).
Average rainfall in September
Sheshalik, AK
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is June (0.47").
Average rainfall days in September
Sheshalik, AK
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is August (15.2 days).
The months with the least rainy days are January and December (2.3 days).
Average snowfall in September
Sheshalik, AK
- Average snowfall in September: 0.35"
The month with the highest snowfall is March (3.98").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Sheshalik, AK
- Average snowfall days in September: 2.7 days
The month with the highest number of snowfall days is December (12.6 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Sheshalik, AK
- Average daylight in September: 13h and 1min
The month with the longest days is May (Average daylight: 20h and 6min).
The month with the shortest days is June (Average daylight: 0h and 48min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in September
Sheshalik, AK
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is June (20.5 days).
The month with the least sunshine days is August (13 days).
Average UV index in September
Sheshalik, AK
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February, April, November and December (UV index 1).
Average cloud cover in September
Sheshalik, AK
- Average cloud cover in September: 51
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 39).
Average visibility in September
Sheshalik, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Sheshalik, Alaska, USA
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