September weather forecast
Kiana, AK

Weather in September

September, the first month of the autumn, in Kiana, is also a frosty month, with average temperature fluctuating between 37°F (2.8°C) and 47.3°F (8.5°C).

Temperature

In Kiana, the average high-temperature decreases, from a mild 57.9°F (14.4°C) in August, to a frosty 47.3°F (8.5°C). In September, in Kiana, the average low-temperature is 37°F (2.8°C).

Humidity

The average relative humidity in September is 75%.

Rainfall

In Kiana, during 11.5 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Kiana, during the entire year, the rain falls for 85.8 days and collects up to 12.91" (328mm) of precipitation.

Snowfall

Months with snowfall in Kiana, Alaska, are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 2.6 snowfall days, it receives 0.67" (17mm) of snow. Throughout the year, there are 90.6 snowfall days, and 33.58" (853mm) of snow is accumulated.

Daylight

In September, the average length of the day in Kiana is 13.1h.

Sunshine

In September, the average sunshine is 6.1h.

UV index

The average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for the average person.
Note: In September, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in September in Kiana?

In September, the average relative humidity in Kiana, Alaska, is 75%.

How much does it rain in Kiana in September?

In Kiana, Alaska, in September, during 11.5 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When does it start to snow in Kiana?

September is the first month it typically snows in Kiana. Throughout September, in the average 2.6 snowfall days, it receives 0.67" (17mm) of snow.

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

In Kiana, Alaska, the average length of the day in September is 13.1h.

How many hours of sunshine does Kiana have in September?

In September, the average sunshine in Kiana, Alaska, is 6.1h.

What is the UV index intensity in September in Kiana?

In September, the average daily maximum UV index in Kiana, Alaska, is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Kiana, AK

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

The warmest month (with the highest average high temperature) is July (62.2°F).
The month with the lowest average high temperature is January (0.7°F).

  • Average low temperature in September: 37°F

The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (-8.1°F).

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Average pressure in September
Kiana, AK

Average pressure in September - Kiana, AK
  • Average pressure in September: 29.78"

The month with the highest atmospheric pressure is March (29.96").
The month with the lowest atmospheric pressure is September (29.78").

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Average wind speed in September
Kiana, AK

Average wind speed in September - Kiana, AK
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is October (8.8mph).
The calmest month (with the lowest average wind speed) is May (7.1mph).

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Average humidity in September
Kiana, AK

Average humidity in September - Kiana, AK
  • Average humidity in September: 75%

Months with the highest relative humidity are February and March (91%).
The month with the lowest relative humidity is June (63%).

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Average rainfall in September
Kiana, AK

Average rainfall in September - Kiana, AK
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in September
Kiana, AK

Average rainfall days in September - Kiana, AK
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is November (1.4 days).

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Average snowfall in September
Kiana, AK

Average snowfall in September - Kiana, AK
  • Average snowfall in September: 0.67"

The month with the highest snowfall is February (5.91").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Kiana, AK

Average snowfall days in September - Kiana, AK
  • Average snowfall days in September: 2.6 days

The month with the highest number of snowfall days is December (14.5 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Kiana, AK
  • Average daylight in September: 13.1h

The month with the longest days is June (Average daylight: 24h).
The month with the shortest days is December (Average daylight: 2.1h).

  • Average sunshine in September: 6.1h

The month with the most sunshine is August (Average sunshine: 8h).
The month with the least sunshine is June (Average sunshine: 0.5h).

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Average sunshine days in September
Kiana, AK

Average sunshine days in September - Kiana, AK
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (12.7 days).

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Average UV index in September
Kiana, AK

Average UV index in September - Kiana, AK
  • Average UV index in September: 2

The month with the highest UV index is June (UV index 4).
Months with the lowest UV index are January, February, March, April, November and December (UV index 1).

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Average cloud cover in September
Kiana, AK

Average cloud cover in September - Kiana, AK
  • Average cloud cover in September: 51

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 42).

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Average visibility in September
Kiana, AK

Average visibility in September - Kiana, AK
  • Average visibility in September: 6mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April and December (4mi).

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