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

September weather forecast and climate
Haines, AK

Part of the famed Cannery fishing village along the Pacific Ocean in Haines, Alaska, with a forest background and snow-peaked mountain glaciers
Part of the famed Cannery fishing village along the Pacific Ocean in Haines, Alaska, with a forest background and snow-peaked mountain glaciers
September, the first month of the autumn, in Haines, is still a mild month, with average temperature fluctuating between 44.4°F (6.9°C) and 57.2°F (14°C).

Temperature

In Haines, the average high-temperature marginally drops, from a comfortable 64.8°F (18.2°C) in August, to a moderate 57.2°F (14°C). The average low-temperature, in Haines, is 44.4°F (6.9°C).

Rainfall

In Haines, it is raining for 17 days, with typically 5.5" (138.7mm) of accumulated precipitation. Throughout the year, in Haines, there are 173 rainfall days, and 47.5" (1207.7mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, Haines receives 0.2" (5.1mm) of snow. Throughout the year, 121.7" (3091.2mm) of snow is accumulated.

Ocean temperature

In Haines, in September, the average water temperature is 50.5°F (10.3°C).
Note: Swimming in 50.5°F (10.3°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

The average length of the day in September in Haines is 12.8h.

What is the temperature in September in Haines?

In September, in Haines, Alaska, the average high-temperature is 57.2°F (14°C), and the average low-temperature is 44.4°F (6.9°C).

How much does it rain in Haines in September?

In Haines, Alaska, during September, the rain falls for 17 days and regularly aggregates up to 5.5" (138.7mm) of precipitation.

When does it start snowing in Haines?

September is the first month it typically snows. Throughout September, Haines receives 0.2" (5.1mm) of snow.

How cold is the water in September in Haines?

In Haines, Alaska, in September, the average water temperature is 50.5°F (10.3°C). Swimming in 50.5°F (10.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Haines have in September?

In Haines, Alaska, the average length of the day in September is 12.8h.
Average temperature in September - Haines, AK
  • Average high temperature in September: 57.2°F

The warmest month (with the highest average high temperature) is July (65.3°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in September: 44.4°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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

The wettest month (with the highest rainfall) is October (8.5").
Driest months (with the lowest rainfall) are May, June and July (1.5").

Average rainfall days in September - Haines, AK
  • Average rainfall days in September: 17 days

The month with the highest number of rainy days is October (21 days).
Months with the lowest number of rainy days are May and June (9 days).

Average snowfall in September - Haines, AK
  • Average snowfall in September: 0.2"

The month with the highest snowfall is January (30.5").
Months with the lowest snowfall are June, July and August (0").

Average sea temperature in September - Haines, AK
  • Average sea temperature in September: 50.5°F

The best month for swimming (with the highest average sea temperature) is August (53.1°F).
The coldest month (with the lowest average sea temperature) is March (39.6°F).

Average daylight in September - Haines, AK
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18.5h).
The month with shortest days is December (Average daylight: 6.3h).