Yakutat
Alaska, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Yakutat, AK

A beautiful panorama of the famous St Elias Mountain covered in snow and clouds, with a view of the Hubbard Glacier, Yakutat, Alaska
A beautiful panorama of the famous St Elias Mountain covered in snow and clouds, with a view of the Hubbard Glacier, Yakutat, Alaska
The first month of the autumn, September, is still a mild month in Yakutat, Alaska, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 55.8°F (13.2°C).

Temperature

In Yakutat, the average high-temperature is essentially the same as in August - a still moderate 55.8°F (13.2°C). In September, the average low-temperature is 41.4°F (5.2°C).

Rainfall

In Yakutat, during September, the rain falls for 21.7 days and regularly aggregates up to 21.1" (536.2mm) of precipitation. Throughout the year, in Yakutat, there are 240 rainfall days, and 155.2" (3941.6mm) of precipitation is accumulated.

Snowfall

In Yakutat snow does not fall in June through September.

Ocean temperature

In Yakutat, the average seawater temperature in September is 55.4°F (13°C).
Note: Swimming in 55.4°F (13°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

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

Sunshine

The average sunshine in September is 5h.

UV index

In September, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Yakutat?

In September, in Yakutat, the average high-temperature is 55.8°F (13.2°C), and the average low-temperature is 41.4°F (5.2°C).

How much does it rain in Yakutat in September?

In Yakutat, during September, the rain falls for 21.7 days and regularly aggregates up to 21.1" (536.2mm) of precipitation.

Does it snow in Yakutat in September?

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

When it does not snow in Yakutat?

June through September are months without snowfall in Yakutat.

What is the water temperature in September in Yakutat?

In Yakutat, Alaska, the average seawater temperature in September is 55.4°F (13°C). Swimming in 55.4°F (13°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

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

How many hours of sunshine does Yakutat have in September?

The average sunshine in September is 5h.

What is the UV index intensity in September in Yakutat?

In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.
Average temperature in September - Yakutat, AK
  • Average high temperature in September: 55.7°F

The warmest month (with the highest average high temperature) is August (60.6°F).
The month with the lowest average high temperature is January (33.7°F).

  • Average low temperature in September: 41.4°F

The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (22.4°F).

Average rainfall in September - Yakutat, AK
  • Average rainfall in September: 21.1"

The wettest month (with the highest rainfall) is October (22").
The driest month (with the lowest rainfall) is June (6.4").

Average rainfall days in September - Yakutat, AK
  • Average rainfall days in September: 21.7 days

The month with the highest number of rainy days is October (24 days).
The month with the lowest number of rainy days is June (17 days).

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

The month with the highest snowfall is January (31.3").
Months with the lowest snowfall are June, July, August and September (0").

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

The month with the highest number of snowfall days is December (12.6 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature in September - Yakutat, AK
  • Average sea temperature in September: 55°F

The best month for swimming (with the highest average sea temperature) is August (57°F).
Coldest months (with the lowest average sea temperature) are January, February, March and April (43°F).

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

The month with the longest days is June (Average daylight: 18.6h).
The month with shortest days is December (Average daylight: 6.2h).

  • Average sunshine in September: 5h

Months with most sunshine are May and June (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 1h).

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

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, November and December (UV index 0).