September weather forecast
Auke Bay, AK

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Weather in September

The first month of the autumn, September, is also a frosty month in Auke Bay, Alaska, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 48.4°F (9.1°C).

Temperature

Auke Bay's progression into September involves a minor drop in the average high-temperature, slightly receding from a fresh 54°F (12.2°C) in August to a chilly 48.4°F (9.1°C). Auke Bay registers an average low-temperature of 41.9°F (5.5°C) throughout September, a modest decrease from its daytime highs.

Humidity

The average relative humidity in September is 88%.

Rainfall

In Auke Bay, in September, it is raining for 20.5 days, with typically 7.13" (181mm) of accumulated precipitation. In Auke Bay, during the entire year, the rain falls for 203.6 days and collects up to 74.57" (1894mm) of precipitation.

Snowfall

In Auke Bay, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 47min.
On the first day of September, sunrise is at 5:59 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:33 pm AKDT.

Sunshine

The average sunshine in September is 5.5h.

UV index

In September, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 2 during September, leads to the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What are September temperatures in Auke Bay?

The high-temperature in Auke Bay during September is 48.4°F (9.1°C) and the low-temperature is 41.9°F (5.5°C).

What is the average humidity in September in Auke Bay?

The average relative humidity in September is 88%.

How much does it rain in Auke Bay in September?

In Auke Bay, in September, during 20.5 rainfall days, 7.13" (181mm) of precipitation is typically accumulated.

When it does not snow in Auke Bay?

In Auke Bay, snow does not fall in June through September.

Does it snow in Auke Bay in September?

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

What is the average length of the day in September in Auke Bay?

The average day length in September in Auke Bay is 12h and 47min.

When is the sunrise / sunset in September in Auke Bay?

In September, on the first day of the month, sunrise is at 5:59 am and sunset at 7:56 pm. On the last day of the month, in Auke Bay, Alaska, sunrise is at 7:02 am and sunset at 6:33 pm AKDT.

How many hours of sunshine does Auke Bay have in September?

The average sunshine duration in September is 5.5h.

What is the UV index intensity in September in Auke Bay?

The average daily maximum UV index in September in Auke Bay is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
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
Auke Bay, AK

Average temperature in September - Auke Bay, AK
  • Average high temperature in September: 48.4°F

The warmest month (with the highest average high temperature) is July (55°F).
The months with the lowest average high temperature are January and December (27.7°F).

  • Average low temperature in September: 41.9°F

The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is February (19.9°F).

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Average pressure in September
Auke Bay, AK

Average pressure in September - Auke Bay, AK
  • Average pressure in September: 29.88"Hg

The month with the highest atmospheric pressure is July (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).

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Average wind speed in September
Auke Bay, AK

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

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest months (with the lowest average wind speed) are June and July (3.8mph).

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Average humidity in September
Auke Bay, AK

Average humidity in September - Auke Bay, AK
  • Average humidity in September: 88%

The months with the highest relative humidity are January and August (89%).
The month with the lowest relative humidity is November (85%).

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Average rainfall in September
Auke Bay, AK

Average rainfall in September - Auke Bay, AK
  • Average rainfall in September: 7.13"

The wettest month (with the highest rainfall) is October (9.06").
The driest month (with the least rainfall) is May (3.5").

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Average rainfall days in September
Auke Bay, AK

Average rainfall days in September - Auke Bay, AK
  • Average rainfall days in September: 20.5 days

The month with the highest number of rainy days is October (21.6 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in September
Auke Bay, AK

Average snowfall in September - Auke Bay, AK
  • Average snowfall in September: 0"

The month with the highest snowfall is December (26.69").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Auke Bay, AK

Average snowfall days in September - Auke Bay, AK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Auke Bay, AK

Average daylight in September / Average sunshine in September - Auke Bay, AK
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).

  • Average sunshine in September: 5h and 3min

The month with the most sunshine is June (Average sunshine: 7h and 42min).
The months with the least sunshine are January and November (Average sunshine: 3h and 0min).

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Average sunshine days in September
Auke Bay, AK

Average sunshine days in September - Auke Bay, AK
  • Average sunshine days in September: 8.1 days

The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is January (6.4 days).

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Average UV index in September
Auke Bay, AK

Average UV index in September - Auke Bay, AK
  • Average UV index in September: 2

The months with the highest UV index are May, June and July (UV index 3).
The months with the lowest UV index are October, November and December (UV index 1).

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Average cloud cover in September
Auke Bay, AK

Average cloud cover in September - Auke Bay, AK
  • Average cloud cover in September: 63

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is May (Cloud cover 56).

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Average visibility in September
Auke Bay, AK

Average visibility in September - Auke Bay, AK
  • Average visibility in September: 5mi

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

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Auke Bay, Alaska, USA

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