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

September weather forecast and climate
Palmer, AK

Buildings, rocks, and high surrounding mountains in the scenic Mountain Park within the Mine State Historical Park in Palmer Province, Alaska
Buildings, rocks, and high surrounding mountains in the scenic Mountain Park within the Mine State Historical Park in Palmer Province, Alaska
September, the first month of the autumn, in Palmer, is still a mild month, with temperature in the range of an average low of 39.9°F (4.4°C) and an average high of 55.8°F (13.2°C).

Temperature

In September, the average high-temperature slightly decreases, from a comfortable 64.6°F (18.1°C) in August, to a moderate 55.8°F (13.2°C). In Palmer, in September, the average low-temperature is 39.9°F (4.4°C).

Rainfall

In September, in Palmer, the rain falls for 10.4 days. Throughout September, 1.7" (42.4mm) of precipitation is accumulated. Throughout the year, in Palmer, there are 87.2 rainfall days, and 11.9" (302mm) of precipitation is accumulated.

Daylight

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

What is the temperature in September in Palmer?

The average high-temperature, in September, is 55.8°F (13.2°C), while the average low-temperature is 39.9°F (4.4°C).

How much does it rain in Palmer in September?

In Palmer, during September, the rain falls for 10.4 days and regularly aggregates up to 1.7" (42.4mm) of precipitation.

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

In Palmer, the average length of the day in September is 12.9h.
Average temperature in September - Palmer, AK
  • Average high temperature in September: 55.7°F

The warmest month (with the highest average high temperature) is July (66.2°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in September: 40°F

The month with the highest average low temperature is July (50.3°F).
The coldest month (with the lowest average low temperature) is January (8.5°F).

Average rainfall in September - Palmer, AK
  • Average rainfall in September: 1.7"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the lowest rainfall) is April (0.2").

Average rainfall days in September - Palmer, AK
  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is August (13.1 days).
The month with the lowest number of rainy days is April (3.8 days).

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

The month with the longest days is June (Average daylight: 19.4h).
The month with shortest days is December (Average daylight: 5.5h).