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

September weather forecast and climate
Cantwell, AK

September, the first month of the autumn, in Cantwell, is also a frosty month, with average temperature fluctuating between 49.6°F (9.8°C) and 30.9°F (-0.6°C).

Temperature

In September, the average high-temperature drops, from a mild 60.4°F (15.8°C) in August, to a chilly 49.6°F (9.8°C). In September, the average low-temperature is 30.9°F (-0.6°C).

Rainfall

In September, the rain falls for 15 days. Throughout September, 2.6" (66mm) of precipitation is accumulated. In Cantwell, during the entire year, the rain falls for 119 days and collects up to 16.7" (425.2mm) of precipitation.

Snowfall

January through July, September through December are months with snowfall in Cantwell, Alaska. September is the first month it typically snows. Throughout September, Cantwell receives 4" (101.6mm) of snow. In Cantwell, during the entire year, snow aggregates up to 124.1" (3152.1mm).

Daylight

The average length of the day in September is 12.9h.

What is the temperature in September in Cantwell?

In September, in Cantwell, Alaska, the average high-temperature is 49.6°F (9.8°C), and the average low-temperature is 30.9°F (-0.6°C).

How many days does it rain in September in Cantwell?

In Cantwell, Alaska, during September, the rain falls for 15 days and regularly aggregates up to 2.6" (66mm) of precipitation.

When does it start to snow in Cantwell?

September is the first month it typically snows. Throughout September, Cantwell receives 4" (101.6mm) of snow.

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

The average length of the day in September in Cantwell is 12.9h.
Average temperature in September - Cantwell, AK
  • Average high temperature in September: 49.7°F

The warmest month (with the highest average high temperature) is July (66°F).
The month with the lowest average high temperature is January (10.8°F).

  • Average low temperature in September: 30.9°F

The month with the highest average low temperature is July (44.2°F).
The coldest month (with the lowest average low temperature) is January (-8.8°F).

Average rainfall in September - Cantwell, AK
  • Average rainfall in September: 2.6"

The wettest month (with the highest rainfall) is August (3.2").
The driest month (with the lowest rainfall) is April (0.4").

Average rainfall days in September - Cantwell, AK
  • Average rainfall days in September: 15 days

The month with the highest number of rainy days is August (16 days).
Months with the lowest number of rainy days are March and April (6 days).

Average snowfall in September - Cantwell, AK
  • Average snowfall in September: 4"

The month with the highest snowfall is January (22.3").
The month with the lowest snowfall is August (0").

Average daylight in September - Cantwell, AK
  • Average daylight in September: 12.9h

The month with the longest days is June (Average daylight: 20.3h).
The month with shortest days is December (Average daylight: 4.7h).