September weather forecast
Port Protection, AK

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Weather in September

September, the first month of the autumn in Port Protection, is also a fresh month, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 55.2°F (12.9°C).

Temperature

Welcoming September, Port Protection notes an average high-temperature of a cool 55.2°F (12.9°C), nearly consistent with August's 57.6°F (14.2°C). Nights in September showcase an average temperature of 52°F (11.1°C), slightly cooler than the daytime.

Humidity

In Port Protection, the average relative humidity in September is 84%.

Rainfall

In Port Protection, in September, it is raining for 19.4 days, with typically 6.97" (177mm) of accumulated precipitation. Throughout the year, there are 223.5 rainfall days, and 72.17" (1833mm) of precipitation is accumulated.

Snowfall

In Port Protection, snow does not fall in May through October.

Daylight

In Port Protection, the average length of the day in September is 12h and 43min.
On the first day of the month, sunrise is at 5:59 am and sunset at 7:48 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:30 pm AKDT.

Sunshine

In September, the average sunshine in Port Protection is 6.7h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily UV index of 3 turns into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What is the usual temperature for Port Protection in September?

In September, in Port Protection, the average high-temperature is 55.2°F (12.9°C), and the average low-temperature is 52°F (11.1°C).

What is the average humidity in September in Port Protection?

In Port Protection, Alaska, the average relative humidity in September is 84%.

How much does it rain in Port Protection in September?

In Port Protection, Alaska, during September, the rain falls for 19.4 days and regularly aggregates up to 6.97" (177mm) of precipitation.

When it does not snow in Port Protection?

May through October are months without snowfall in Port Protection.

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

In Port Protection, Alaska, the average day length in September is 12h and 43min.

When is the sunrise / sunset in September in Port Protection?

In September, on the first day of the month, sunrise is at 5:59 am and sunset at 7:48 pm. On the last day of the month, in Port Protection, Alaska, sunrise is at 6:57 am and sunset at 6:30 pm AKDT.

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

In September, the average sunshine duration in Port Protection, Alaska, is 6.7h.

How high is the UV index in September in Port Protection?

In September, the average daily maximum UV index in Port Protection, Alaska, is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Port Protection, AK

Average temperature in September - Port Protection, AK
  • Average high temperature in September: 55.2°F

The warmest month (with the highest average high temperature) is August (57.6°F).
The month with the lowest average high temperature is February (39.6°F).

  • Average low temperature in September: 52°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (35.4°F).

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Average pressure in September
Port Protection, AK

Average pressure in September - Port Protection, AK
  • Average pressure in September: 29.88"Hg

The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.72"Hg).

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Average wind speed in September
Port Protection, AK

Average wind speed in September - Port Protection, AK
  • Average wind speed in September: 11.8mph

The windiest month (with the highest average wind speed) is January (17mph).
The calmest months (with the lowest average wind speed) are June and July (8.9mph).

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Average humidity in September
Port Protection, AK

Average humidity in September - Port Protection, AK
  • Average humidity in September: 84%

The month with the highest relative humidity is August (89%).
The months with the lowest relative humidity are February and March (78%).

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Average rainfall in September
Port Protection, AK

Average rainfall in September - Port Protection, AK
  • Average rainfall in September: 6.97"

The wettest month (with the highest rainfall) is November (9.69").
The driest month (with the least rainfall) is May (3.07").

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Average rainfall days in September
Port Protection, AK

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

The month with the highest number of rainy days is November (23.1 days).
The month with the least rainy days is February (14.2 days).

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Average snowfall in September
Port Protection, AK

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

The month with the highest snowfall is February (4.88").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Port Protection, AK

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

The month with the highest number of snowfall days is March (8.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Port Protection, AK
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).

  • Average sunshine in September: 6h and 4min

The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in September
Port Protection, AK

Average sunshine days in September - Port Protection, AK
  • Average sunshine days in September: 9.4 days

The month with the most sunshine days is May (13.6 days).
The month with the least sunshine days is November (5.3 days).

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Average UV index in September
Port Protection, AK

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

The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in September
Port Protection, AK

Average cloud cover in September - Port Protection, AK
  • Average cloud cover in September: 55

The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are May and September (Cloud cover 55).

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Average visibility in September
Port Protection, AK

Average visibility in September - Port Protection, AK
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Port Protection, Alaska, USA

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