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

September weather forecast and climate
Slana, AK

September, the first month of the autumn, in Slana, is still a cool month, with average temperature fluctuating between 30.6°F (-0.8°C) and 53.1°F (11.7°C).

Temperature

In September, the average high-temperature drops, from an enjoyable 64.6°F (18.1°C) in August, to a fresh 53.1°F (11.7°C). In Slana, the average low-temperature is 30.6°F (-0.8°C).

Rainfall

In September, the rain falls for 8 days. Throughout September, 2.2" (54.9mm) of precipitation is accumulated. In Slana, Alaska, during the entire year, the rain falls for 64 days and collects up to 15.4" (390.2mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. September is the first month it typically snows in Slana, Alaska. Throughout September, Slana receives 3.2" (81.3mm) of snow. Throughout the year, in Slana, 55.4" (1407.1mm) of snow is accumulated.

Daylight

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

What is the temperature in September in Slana?

The average high-temperature, in September, in Slana, Alaska, is 53.1°F (11.7°C), while the average low-temperature is 30.6°F (-0.8°C).

How many days does it rain in September in Slana?

In Slana, during September, the rain falls for 8 days and regularly aggregates up to 2.2" (54.9mm) of precipitation.

When does it start to snow in Slana?

September is the first month it typically snows in Slana, Alaska. Throughout September, Slana receives 3.2" (81.3mm) of snow.

How many hours of daylight does Slana have in September?

In September, the average length of the day in Slana, Alaska, is 12.9h.
Average temperature in September - Slana, AK
  • Average high temperature in September: 53.1°F

The warmest month (with the highest average high temperature) is July (68.5°F).
The month with the lowest average high temperature is January (5°F).

  • Average low temperature in September: 30.5°F

The month with the highest average low temperature is July (44.3°F).
The coldest month (with the lowest average low temperature) is January (-11.7°F).

Average rainfall in September - Slana, AK
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is July (2.8").
The driest month (with the lowest rainfall) is April (0.4").

Average rainfall days in September - Slana, AK
  • Average rainfall days in September: 8 days

The month with the highest number of rainy days is July (11 days).
The month with the lowest number of rainy days is April (2 days).

Average snowfall in September - Slana, AK
  • Average snowfall in September: 3.2"

Months with the highest snowfall are October and November (9.1").
Months with the lowest snowfall are July and August (0").

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

The month with the longest days is June (Average daylight: 19.9h).
The month with shortest days is December (Average daylight: 5.1h).