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 shows a mild decline in the average high-temperature, falling from August's fresh 54.5°F (12.5°C) to a frosty 44.8°F (7.1°C). In September, the temperature drops to an average of 32.7°F (0.4°C) at night.Humidity
In September, the average relative humidity is 75%.Rainfall
In September, the rain falls for 12.9 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. In Tanacross, Alaska, during the entire year, the rain falls for 131.6 days and collects up to 13.15" (334mm) of precipitation.Snowfall
Months with snowfall in Tanacross are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 2.2 snowfall days, it receives 0.55" (14mm) of snow. Throughout the year, there are 93.8 snowfall days, and 32.72" (831mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 56min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:44 pm. On the last day of September, sunrise is at 7:41 am and sunset at 7:04 pm AKDT.
Sunshine
In September, the average sunshine in Tanacross is 8.9h.UV index
January through April, September through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 2 in September translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Tanacross in September?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
How many hours of daylight does Tanacross have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
When is the lowest UV index in Tanacross?
How high is the UV index in September in Tanacross?
Average temperature in September
Tanacross, AK
- Average high temperature in September: 44.8°F
The warmest month (with the highest average high temperature) is July (59.2°F).
The month with the lowest average high temperature is January (6.3°F).
- Average low temperature in September: 32.7°F
The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (-4°F).
Average pressure in September
Tanacross, AK
- Average pressure in September: 29.78"Hg
The month with the highest atmospheric pressure is February (29.96"Hg).
The month with the lowest atmospheric pressure is September (29.78"Hg).
Average wind speed in September
Tanacross, AK
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Tanacross, AK
- Average humidity in September: 75%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is June (65%).
Average rainfall in September
Tanacross, AK
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in September
Tanacross, AK
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is June (19.9 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in September
Tanacross, AK
- Average snowfall in September: 0.55"
The month with the highest snowfall is November (5.94").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Tanacross, AK
- Average snowfall days in September: 2.2 days
The month with the highest number of snowfall days is November (15.8 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Tanacross, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 13h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Tanacross, AK
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is March (17.9 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in September
Tanacross, 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 January, February, March, April, September, October, November and December (UV index 2).
Average cloud cover in September
Tanacross, AK
- Average cloud cover in September: 41
The month with the most cloud cover is April (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Tanacross, AK
- Average visibility in September: 6mi
The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are March and April (5mi).
Tanacross, Alaska, USA
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