September weather forecast
Tanani, AK

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Weather in September

The first month of the autumn, September, is still a chilly month in Tanani, Alaska, with an average temperature varying between 47.3°F (8.5°C) and 38.7°F (3.7°C).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from a cool 55°F (12.8°C) in August to a frosty 47.3°F (8.5°C). During September, Tanani's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a wintry 38.7°F (3.7°C).

Humidity

In September, the average relative humidity in Tanani, Alaska, is 84%.

Rainfall

In Tanani, in September, it is raining for 19.5 days, with typically 4.65" (118mm) of accumulated precipitation. In Tanani, during the entire year, the rain falls for 200.4 days and collects up to 48.03" (1220mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Tanani, the average length of the day in September is 12h and 48min.
On the first day of September in Tanani, sunrise is at 6:00 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:36 pm AKDT.

Sunshine

In September, the average sunshine is 6.4h.

UV index

In Tanani, 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 exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 2 in September transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What is the temperature in September in Tanani?

In Tanani, 47.3°F (8.5°C) is the average high-temperature and 38.7°F (3.7°C) is the average low-temperature during September.

What is the average humidity in September in Tanani?

The average relative humidity in September in Tanani is 84%.

How much does it rain in Tanani in September?

In September, in Tanani, the rain falls for 19.5 days. Throughout September, 4.65" (118mm) of precipitation is accumulated.

When it does not snow in Tanani?

June through September are months without snowfall in Tanani, Alaska.

Does it snow in Tanani in September?

In Tanani, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Tanani?

The average day length in September in Tanani, Alaska, is 12h and 48min.

What time are sunrise and sunset in September in Tanani?

On the first day of September in Tanani, Alaska, sunrise is at 6:00 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:36 pm AKDT.

How many hours of sunshine does Tanani have in September?

In Tanani, Alaska, the average sunshine duration in September is 6.4h.

What is the UV index reading in September in Tanani?

In Tanani, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Tanani, AK

Average temperature in September - Tanani, AK
  • Average high temperature in September: 47.3°F

The warmest month (with the highest average high temperature) is July (56.5°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in September: 38.7°F

The month with the highest average low temperature is August (44.1°F).
The coldest month (with the lowest average low temperature) is February (12.4°F).

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Average pressure in September
Tanani, AK

Average pressure in September - Tanani, AK
  • Average pressure in September: 29.87"Hg

The month with the highest atmospheric pressure is July (30.01"Hg).
The month with the lowest atmospheric pressure is November (29.81"Hg).

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Average wind speed in September
Tanani, AK

Average wind speed in September - Tanani, AK
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is May (4.7mph).

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Average humidity in September
Tanani, AK

Average humidity in September - Tanani, AK
  • Average humidity in September: 84%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (78%).

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Average rainfall in September
Tanani, AK

Average rainfall in September - Tanani, AK
  • Average rainfall in September: 4.65"

The wettest month (with the highest rainfall) is November (5.87").
The driest month (with the least rainfall) is June (2.2").

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Average rainfall days in September
Tanani, AK

Average rainfall days in September - Tanani, AK
  • Average rainfall days in September: 19.5 days

The month with the highest number of rainy days is October (20.2 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in September
Tanani, AK

Average snowfall in September - Tanani, AK
  • Average snowfall in September: 0"

The month with the highest snowfall is December (21.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Tanani, AK

Average snowfall days in September - Tanani, AK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Tanani, AK

Average daylight in September / Average sunshine in September - Tanani, AK
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in September: 6h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).

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Average sunshine days in September
Tanani, AK

Average sunshine days in September - Tanani, AK
  • Average sunshine days in September: 8.2 days

The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is June (6.3 days).

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Average UV index in September
Tanani, AK

Average UV index in September - Tanani, 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 February, November and December (UV index 1).

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Average cloud cover in September
Tanani, AK

Average cloud cover in September - Tanani, AK
  • Average cloud cover in September: 59

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 47).

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Average visibility in September
Tanani, AK

Average visibility in September - Tanani, AK
  • Average visibility in September: 5mi

The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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Tanani, Alaska, USA

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