September weather forecast
Situk, AK

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Weather in September

The first month of the autumn, September, is also a fresh month in Situk, Alaska, with temperature in the range of an average high of 54.9°F (12.7°C) and an average low of 49.3°F (9.6°C).

Temperature

With the transition into September, Situk notes an average high-temperature of a fresh 54.9°F (12.7°C), closely resembling August. In Situk, September nights experience a modest descent in temperature from daily peaks, cooling down to an average of 49.3°F (9.6°C).

Humidity

In Situk, the average relative humidity in September is 77%.

Rainfall

In Situk, Alaska, in September, during 16.7 rainfall days, 6.02" (153mm) of precipitation is typically accumulated. In Situk, during the entire year, the rain falls for 171.7 days and collects up to 60.71" (1542mm) of precipitation.

Snowfall

In Situk, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 49min.
On the first day of September in Situk, sunrise is at 6:17 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 6:52 pm AKDT.

Sunshine

In Situk, Alaska, the average sunshine in September is 6.2h.

UV index

In Situk, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 3 transforms into these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What are the temperatures in Situk in September?

During September, Situk experiences an average high-temperature of 54.9°F (12.7°C) and a low-temperature of 49.3°F (9.6°C).

What is the average humidity in September in Situk?

The average relative humidity in September in Situk, Alaska, is 77%.

How many days does it rain in September in Situk?

In Situk, Alaska, during September, the rain falls for 16.7 days and regularly aggregates up to 6.02" (153mm) of precipitation.

When it does not snow in Situk?

In Situk, snow does not fall in June through September.

Does it snow in Situk in September?

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

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

In September, the average day length in Situk, Alaska, is 12h and 49min.

When is the sunrise / sunset in September in Situk?

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 8:18 pm. On the last day of the month, in Situk, sunrise is at 7:23 am and sunset at 6:52 pm AKDT.

How long on average sun shines in September in Situk?

In Situk, Alaska, the average sunshine duration in September is 6.2h.

What is the UV index reading in September in Situk?

The average daily maximum UV index in September in Situk is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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
Situk, AK

Average temperature in September - Situk, AK
  • Average high temperature in September: 54.9°F

The warmest month (with the highest average high temperature) is July (59.4°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in September: 49.3°F

The month with the highest average low temperature is August (53.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in September
Situk, AK

Average pressure in September - Situk, AK
  • Average pressure in September: 29.83"Hg

The month with the highest atmospheric pressure is July (30.02"Hg).
The month with the lowest atmospheric pressure is November (29.69"Hg).

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Average wind speed in September
Situk, AK

Average wind speed in September - Situk, AK
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is November (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity in September
Situk, AK

Average humidity in September - Situk, AK
  • Average humidity in September: 77%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (72%).

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Average rainfall in September
Situk, AK

Average rainfall in September - Situk, AK
  • Average rainfall in September: 6.02"

The wettest month (with the highest rainfall) is October (8.54").
The driest month (with the least rainfall) is June (2.32").

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Average rainfall days in September
Situk, AK

Average rainfall days in September - Situk, AK
  • Average rainfall days in September: 16.7 days

The month with the highest number of rainy days is October (19.1 days).
The month with the least rainy days is February (10.1 days).

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Average snowfall in September
Situk, AK

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

The month with the highest snowfall is January (9.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Situk, AK

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

The month with the highest number of snowfall days is March (9.7 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
Situk, AK

Average daylight in September / Average sunshine in September - Situk, 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 12min).

  • Average sunshine in September: 6h and 1min

The month with the most sunshine is June (Average sunshine: 7h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).

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Average sunshine days in September
Situk, AK

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

The month with the most sunshine days is May (16.7 days).
The month with the least sunshine days is November (10.3 days).

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Average UV index in September
Situk, AK

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

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).

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Average cloud cover in September
Situk, AK

Average cloud cover in September - Situk, AK
  • Average cloud cover in September: 57

The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 55).

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Average visibility in September
Situk, AK

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

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

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Situk, Alaska, USA

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