September weather forecast and climate
Kustatan, AK

Weather in September

September, the first month of the autumn, in Kustatan, is also a fresh month, with average temperature ranging between min 46°F (7.8°C) and max 52°F (11.1°C).

Temperature

In Kustatan, the average high-temperature slightly decreases, from a mild 57.6°F (14.2°C) in August, to a fresh 52°F (11.1°C). The average low-temperature, in September, is 46°F (7.8°C).

Humidity

In September, the average relative humidity in Kustatan is 78%.

Rainfall

In Kustatan, during 15.6 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Kustatan, during the entire year, the rain falls for 128.2 days and collects up to 20.08" (510mm) of precipitation.

Snowfall

In Kustatan snow does not fall in June through September.

Daylight

In September, the average length of the day in Kustatan is 12.8h.

Sunshine

The average sunshine in Kustatan is 6.6h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Kustatan?

The average high-temperature, in September, is 52°F (11.1°C), while the average low-temperature is 46°F (7.8°C).

What is the average humidity in September in Kustatan?

The average relative humidity in September in Kustatan, Alaska, is 78%.

How much does it rain in Kustatan in September?

In Kustatan, in September, it is raining for 15.6 days, with typically 2.36" (60mm) of accumulated precipitation.

Does it snow in Kustatan in September?

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

When it does not snow in Kustatan?

June through September are months without snowfall.

How many hours of daylight does Kustatan have in September?

In Kustatan, the average length of the day in September is 12.8h.

How long on average sun shines in September in Kustatan?

In Kustatan, Alaska, the average sunshine in September is 6.6h.

What is the UV index reading in September in Kustatan?

The average daily maximum UV index in September in Kustatan is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in September
Kustatan, AK

Average temperature in September - Kustatan, AK
  • Average high temperature in September: 52°F

The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in September: 46°F

The month with the highest average low temperature is July (51.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in September
Kustatan, AK

Average pressure in September - Kustatan, AK
  • Average pressure in September: 29.73"

The month with the highest atmospheric pressure is July (29.96").
Months with the lowest atmospheric pressure are November and December (29.65").

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Average wind speed in September
Kustatan, AK

Average wind speed in September - Kustatan, AK
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is December (11mph).
The calmest month (with the lowest average wind speed) is May (7.5mph).

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Average humidity in September
Kustatan, AK

Average humidity in September - Kustatan, AK
  • Average humidity in September: 78%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in September
Kustatan, AK

Average rainfall in September - Kustatan, AK
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is June (0.71").

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Average rainfall days in September
Kustatan, AK

Average rainfall days in September - Kustatan, AK
  • Average rainfall days in September: 15.6 days

The month with the highest number of rainy days is September (15.6 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in September
Kustatan, AK

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

The month with the highest snowfall is December (7.91").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Kustatan, AK

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

The month with the highest number of snowfall days is December (11.9 days).
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
Kustatan, AK

Average daylight in September / Average sunshine in September - Kustatan, AK
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 19h).
The month with the shortest days is December (Average daylight: 5.8h).

  • Average sunshine in September: 6.6h

The month with the most sunshine is June (Average sunshine: 11.2h).
The month with the least sunshine is December (Average sunshine: 2.9h).

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Average sunshine days in September
Kustatan, AK

Average sunshine days in September - Kustatan, AK
  • Average sunshine days in September: 13.1 days

The month with the most sunshine days is June (18.7 days).
The month with the least sunshine days is September (13.1 days).

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Average UV index in September
Kustatan, AK

Average UV index in September - Kustatan, AK
  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Kustatan, AK

Average cloud cover in September - Kustatan, AK
  • Average cloud cover in September: 49

The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 40).

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Average visibility in September
Kustatan, AK

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

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

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