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's onset introduces a mild reduction in the average high-temperature, from a cool 54.9°F (12.7°C) in August to a chilly 45.9°F (7.7°C). The month of September records an average low-temperature of 33.3°F (0.7°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 16.5 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 125.3 rainfall days, and 16.5" (419mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.9 snowfall days, it receives 0.51" (13mm) of snow. In Chulitna, during the entire year, snow falls for 78.8 days and aggregates up to 55.55" (1411mm) of snow.Daylight
The average length of the day in September is 12h and 55min.On the first day of the month, sunrise is at 6:47 am and sunset at 9:08 pm. On the last day of September, sunrise is at 8:06 am and sunset at 7:29 pm AKDT.
Sunshine
The average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in September converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Chulitna have in September?
How high is the UV index in September?
Average temperature in September
Chulitna, AK
- Average high temperature in September: 45.9°F
The warmest month (with the highest average high temperature) is July (59.5°F).
The month with the lowest average high temperature is January (10.6°F).
- Average low temperature in September: 33.3°F
The month with the highest average low temperature is July (43.3°F).
The coldest month (with the lowest average low temperature) is January (0.3°F).
Average pressure in September
Chulitna, AK
- Average pressure in September: 29.76"Hg
The month with the highest atmospheric pressure is July (29.93"Hg).
The months with the lowest atmospheric pressure are October and December (29.75"Hg).
Average wind speed in September
Chulitna, AK
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is January (6.4mph).
The calmest months (with the lowest average wind speed) are April and September (4.6mph).
Average humidity in September
Chulitna, AK
- Average humidity in September: 78%
The month with the highest relative humidity is April (88%).
The month with the lowest relative humidity is June (68%).
Average rainfall in September
Chulitna, AK
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is October (2.44").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Chulitna, AK
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is November (5 days).
Average snowfall in September
Chulitna, AK
- Average snowfall in September: 0.51"
The month with the highest snowfall is November (10.83").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Chulitna, AK
- Average snowfall days in September: 0.9 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Chulitna, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 20h and 0min).
The month with the shortest days is December (Average daylight: 5h and 0min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in September
Chulitna, AK
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is August (10.4 days).
Average UV index in September
Chulitna, AK
- Average UV index in September: 2
The month with the highest UV index is June (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Chulitna, AK
- Average cloud cover in September: 43
The month with the most cloud cover is August (Cloud cover 46).
The month with the least cloud cover is May (Cloud cover 34).
Average visibility in September
Chulitna, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, September and October (6mi).
The month with the lowest visibility is April (4mi).
Chulitna, Alaska, USA
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