September weather forecast and climate
Port Alice, AK

Weather in September

The first month of the autumn, September, is still a mild month in Port Alice, Alaska, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 56.5°F (13.6°C).

Temperature

In Port Alice, the average high-temperature in September is practically the same as in August - a still mild 56.5°F (13.6°C). The average low-temperature, in Port Alice, is 46.9°F (8.3°C).

Humidity

In September, the average relative humidity is 88%.

Rainfall

In Port Alice, during September, the rain falls for 19.4 days and regularly aggregates up to 6.02" (153mm) of precipitation. In Port Alice, during the entire year, the rain falls for 231.7 days and collects up to 67.83" (1723mm) of precipitation.

Snowfall

May through October are months without snowfall in Port Alice.

Daylight

The average length of the day in September is 12.7h.

Sunshine

May and September, with an average of 5.7h of sunshine, are months with the most sunshine in Port Alice, Alaska.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Port Alice?

In Port Alice, in September, the average high-temperature is 56.5°F (13.6°C), and the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in September in Port Alice?

In Port Alice, the average relative humidity in September is 88%.

How much does it rain in Port Alice in September?

In Port Alice, in September, during 19.4 rainfall days, 6.02" (153mm) of precipitation is typically accumulated.

When it does not snow in Port Alice?

May through October are months without snowfall.

What is the average length of the day in September in Port Alice?

In Port Alice, Alaska, the average length of the day in September is 12.7h.

What are the months with the most sunshine in Port Alice?

May and September, with an average of 5.7h of sunshine, are months with the most sunshine in Port Alice, Alaska.

How many hours of sunshine does Port Alice have in September?

In September, the average sunshine in Port Alice, Alaska, is 5.7h.

What is the UV index intensity in September in Port Alice?

In Port Alice, Alaska, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in September
Port Alice, AK

Average temperature in September - Port Alice, AK
  • Average high temperature in September: 56.5°F

The warmest months (with the highest average high temperature) are July and August (60.4°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in September: 46.9°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is February (30.2°F).

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Average pressure in September
Port Alice, AK

Average pressure in September - Port Alice, AK
  • Average pressure in September: 29.91"

The month with the highest atmospheric pressure is July (30.06").
The month with the lowest atmospheric pressure is November (29.77").

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Average wind speed in September
Port Alice, AK

Average wind speed in September - Port Alice, AK
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

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Average humidity in September
Port Alice, AK

Average humidity in September - Port Alice, AK
  • Average humidity in September: 88%

The month with the highest relative humidity is January (90%).
Months with the lowest relative humidity are March and May (84%).

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Average rainfall in September
Port Alice, AK

Average rainfall in September - Port Alice, AK
  • Average rainfall in September: 6.02"

The wettest month (with the highest rainfall) is November (8.03").
The driest month (with the least rainfall) is May (2.83").

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Average rainfall days in September
Port Alice, AK

Average rainfall days in September - Port Alice, AK
  • Average rainfall days in September: 19.4 days

The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is February (14.8 days).

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Average snowfall in September
Port Alice, AK

Average snowfall in September - Port Alice, AK
  • Average snowfall in September: 0"

The month with the highest snowfall is March (10.35").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Port Alice, AK

Average snowfall days in September - Port Alice, AK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (10.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Port Alice, AK

Average daylight in September / Average sunshine in September - Port Alice, AK
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17.5h).
The month with the shortest days is December (Average daylight: 7.1h).

  • Average sunshine in September: 5.7h

Months with the most sunshine are May and September (Average sunshine: 5.7h).
The month with the least sunshine is January (Average sunshine: 2.6h).

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Average sunshine days in September
Port Alice, AK

Average sunshine days in September - Port Alice, AK
  • Average sunshine days in September: 9.8 days

The month with the most sunshine days is July (11.1 days).
The month with the least sunshine days is November (5.3 days).

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Average UV index in September
Port Alice, AK

Average UV index in September - Port Alice, AK
  • Average UV index in September: 3

Months with the highest UV index are July and August (UV index 4).
Months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in September
Port Alice, AK

Average cloud cover in September - Port Alice, AK
  • Average cloud cover in September: 62

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is September (Cloud cover 62).

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Average visibility in September
Port Alice, AK

Average visibility in September - Port Alice, AK
  • Average visibility in September: 5mi

Months with the highest visibility are January, February, March, April, May, June, September, October, November and December (5mi).
Months with the lowest visibility are July and August (4mi).

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