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 ushers in a slight temperature change, with average high-temperatures reducing from August's enjoyable 62.1°F (16.7°C) to a chilly 49.3°F (9.6°C). In Tanana, September's nights observe an average temperature dip to a cold 34.9°F (1.6°C).Humidity
In Tanana, the average relative humidity in September is 78%.Rainfall
In Tanana, during September, the rain falls for 12.3 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Tanana, during the entire year, the rain falls for 93.5 days and collects up to 9.96" (253mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 2.3 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, there are 80 snowfall days, and 26.22" (666mm) of snow is accumulated.Daylight
In September, the average length of the day is 13h and 1min.On the first day of September, sunrise is at 6:50 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 7:37 pm AKDT.
Sunshine
The average sunshine in September in Tanana is 6.6h.UV index
In Tanana, Alaska, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in September interprets into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly 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 in Tanana?
How much does it rain in September?
When does it start to snow?
How many hours of daylight does Tanana have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Tanana?
How high is the UV index in September?
Average temperature in September
Tanana, AK
- Average high temperature in September: 49.3°F
The warmest month (with the highest average high temperature) is July (69.1°F).
The month with the lowest average high temperature is January (-1.1°F).
- Average low temperature in September: 34.9°F
The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is January (-11.4°F).
Average pressure in September
Tanana, AK
- Average pressure in September: 29.77"Hg
The month with the highest atmospheric pressure is February (29.97"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed in September
Tanana, AK
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is May (4.9mph).
The calmest months (with the lowest average wind speed) are January, February, October, November and December (4.2mph).
Average humidity in September
Tanana, AK
- Average humidity in September: 78%
The months with the highest relative humidity are January, February, March and December (94%).
The month with the lowest relative humidity is June (54%).
Average rainfall in September
Tanana, AK
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Tanana, AK
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is August (14.5 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in September
Tanana, AK
- Average snowfall in September: 0.47"
The month with the highest snowfall is November (6.69").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Tanana, AK
- Average snowfall days in September: 2.3 days
The month with the highest number of snowfall days is November (13.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Tanana, AK
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 21h and 54min).
The month with the shortest days is December (Average daylight: 3h and 48min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in September
Tanana, AK
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in September
Tanana, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are March, November and December (UV index 1).
Average cloud cover in September
Tanana, AK
- Average cloud cover in September: 52
The month with the most cloud cover is April (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in September
Tanana, AK
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July and August (6mi).
The months with the lowest visibility are January, February, March and December (3mi).
Tanana, Alaska, USA
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