September weather forecast and climate
Wrangell, AK

A stunning view of Wrangell within St Elias National Park in Alaska, featuring a landscape of water, fields, and distant snowy mountains
A stunning view of Wrangell within St Elias National Park in Alaska, featuring a landscape of water, fields, and distant snowy mountains

Weather in September

September, the first month of the autumn, in Wrangell, is still a cool month, with average temperature varying between 54.3°F (12.4°C) and 46.4°F (8°C).

Temperature

In Wrangell, the average high-temperature in September is relatively the same as in August - a cool 54.3°F (12.4°C). In September, the average low-temperature is 46.4°F (8°C).

Humidity

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

Rainfall

In Wrangell, it is raining for 17.5 days, with typically 5.12" (130mm) of accumulated precipitation. In Wrangell, during the entire year, the rain falls for 197.9 days and collects up to 53.03" (1347mm) of precipitation.

Snowfall

June through September are months without snowfall.

Ocean temperature

In Wrangell, the average water temperature is 52.3°F (11.3°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

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

Sunshine

In September, the average sunshine in Wrangell is 6.7h.

UV index

In September, the average daily maximum UV index in Wrangell is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Wrangell?

In September, the average high-temperature is 54.3°F (12.4°C), and the average low-temperature is 46.4°F (8°C).

What is the average humidity in September in Wrangell?

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

How many days does it rain in September in Wrangell?

In Wrangell, in September, it is raining for 17.5 days, with typically 5.12" (130mm) of accumulated precipitation.

Does it snow in Wrangell in September?

In Wrangell, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Wrangell?

June through September are months without snowfall in Wrangell, Alaska.

How cold is the water in September in Wrangell?

In September, the average ocean temperature is 52.3°F (11.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Wrangell have in September?

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

How many hours of sunshine does Wrangell have in September?

In September, the average sunshine is 6.7h.

What is the UV index intensity in September in Wrangell?

In September, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in September
Wrangell, AK

Average temperature in September - Wrangell, AK
  • Average high temperature in September: 54.3°F

The warmest month (with the highest average high temperature) is July (59.7°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in September: 46.4°F

The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).

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Average pressure in September
Wrangell, AK

Average pressure in September - Wrangell, AK
  • Average pressure in September: 29.91"

The month with the highest atmospheric pressure is July (30.05").
The month with the lowest atmospheric pressure is November (29.8").

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Average wind speed in September
Wrangell, AK

Average wind speed in September - Wrangell, AK
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is July (3.9mph).

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Average humidity in September
Wrangell, AK

Average humidity in September - Wrangell, AK
  • Average humidity in September: 84%

Months with the highest relative humidity are January and August (86%).
The month with the lowest relative humidity is May (81%).

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Average rainfall in September
Wrangell, AK

Average rainfall in September - Wrangell, AK
  • Average rainfall in September: 5.12"

The wettest month (with the highest rainfall) is October (6.3").
The driest month (with the least rainfall) is May (2.01").

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Average rainfall days in September
Wrangell, AK

Average rainfall days in September - Wrangell, AK
  • Average rainfall days in September: 17.5 days

The month with the highest number of rainy days is October (20.1 days).
The month with the least rainy days is February (9.5 days).

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Average snowfall in September
Wrangell, AK

Average snowfall in September - Wrangell, AK
  • Average snowfall in September: 0"

The month with the highest snowfall is March (13.46").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Wrangell, AK

Average snowfall days in September - Wrangell, AK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (10.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in September
Wrangell, AK

Average sea temperature in September - Wrangell, AK
  • Average sea temperature in September: 52.3°F

The best month for swimming (with the highest average sea temperature) is August (54.8°F).
The coldest month (with the lowest average sea temperature) is March (41.5°F).

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Average daylight in September /
Average sunshine in September
Wrangell, AK

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

The month with the longest days is June (Average daylight: 17.6h).
The month with the shortest days is December (Average daylight: 7h).

  • Average sunshine in September: 6.7h

The month with the most sunshine is May (Average sunshine: 7.4h).
Months with the least sunshine are January and November (Average sunshine: 3.4).

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Average sunshine days in September
Wrangell, AK

Average sunshine days in September - Wrangell, AK
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is December (12.5 days).
The month with the least sunshine days is November (8 days).

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Average UV index in September
Wrangell, AK

Average UV index in September - Wrangell, AK
  • Average UV index in September: 2

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

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Average cloud cover in September
Wrangell, AK

Average cloud cover in September - Wrangell, AK
  • Average cloud cover in September: 55

The month with the most cloud cover is January (Cloud cover 66).
Months with the least cloud cover are February and May (Cloud cover 54).

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Average visibility in September
Wrangell, AK

Average visibility in September - Wrangell, AK
  • Average visibility in September: 6mi

Months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
Months with the lowest visibility are January, July and August (5mi).

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