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

September weather forecast and climate
Adak, AK

Rocks amid golden-brown plants in the fall overlooking a large lake in Adak, Alaska
Rocks amid golden-brown plants in the fall overlooking a large lake in Adak, Alaska
The first month of the autumn, September, is still a cool month in Adak, Alaska, with average temperature ranging between max 52.3°F (11.3°C) and min 43.5°F (6.4°C).

Temperature

In Adak, Alaska, the average high-temperature is relatively the same as in August - a fresh 52.3°F (11.3°C). In September, in Adak, the average low-temperature is 43.5°F (6.4°C).

Rainfall

In September, the rain falls for 21 days. Throughout September, 5.5" (140.2mm) of precipitation is accumulated. In Adak, during the entire year, the rain falls for 263 days and collects up to 65.6" (1666.7mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, Adak receives 0.1" (2.5mm) of snow. In Adak, during the entire year, snow aggregates up to 99.4" (2524.7mm).

Daylight

The average length of the day in September is 12.6h.

What is the temperature in September in Adak?

The average high-temperature, in September, in Adak, Alaska, is 52.3°F (11.3°C), while the average low-temperature is 43.5°F (6.4°C).

How many days does it rain in September in Adak?

In Adak, Alaska, in September, during 21 rainfall days, 5.5" (140.2mm) of precipitation is typically accumulated.

When does it start snowing in Adak?

September is the first month it typically snows in Adak, Alaska. Throughout September, Adak receives 0.1" (2.5mm) of snow.

How many hours of daylight does Adak have in September?

The average length of the day in September in Adak, Alaska, is 12.6h.
Average temperature in September - Adak, AK
  • Average high temperature in September: 52.3°F

The warmest month (with the highest average high temperature) is August (55.8°F).
The month with the lowest average high temperature is February (37°F).

  • Average low temperature in September: 43.6°F

The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is February (28.5°F).

Average rainfall in September - Adak, AK
  • Average rainfall in September: 5.5"

The wettest month (with the highest rainfall) is December (7.7").
The driest month (with the lowest rainfall) is July (3").

Average rainfall days in September - Adak, AK
  • Average rainfall days in September: 21 days

Months with the highest number of rainy days are March, October, November and December (25 days).
The month with the lowest number of rainy days is July (16 days).

Average snowfall in September - Adak, AK
  • Average snowfall in September: 0.1"

The month with the highest snowfall is March (20.1").
Months with the lowest snowfall are June, July and August (0").

Average daylight in September - Adak, AK
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.6h).
The month with shortest days is December (Average daylight: 7.9h).