September weather forecast
Whale Pass, AK

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Weather in September

September, the first month of the autumn in Whale Pass, is still a mild month, with an average temperature varying between 46.9°F (8.3°C) and 56.5°F (13.6°C).

Temperature

With the onset of September, Whale Pass's average high-temperature clocks in at a still refreshing 56.5°F (13.6°C), showing a minor fluctuation from the previous month. The nights of September in Whale Pass anticipate an average low-temperature of 46.9°F (8.3°C).

Humidity

In Whale Pass, the average relative humidity in September is 88%.

Rainfall

In September, in Whale Pass, the rain falls for 19.4 days. Throughout September, 6.02" (153mm) of precipitation is accumulated. Throughout the year, there are 231.7 rainfall days, and 67.83" (1723mm) of precipitation is accumulated.

Snowfall

In Whale Pass, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 43min.
On the first day of September, sunrise is at 5:58 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:29 pm AKDT.

Sunshine

The months with the most sunshine in Whale Pass are May and September, with an average of 5.7h of sunshine.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What are September temperatures in Whale Pass?

An average high-temperature, in September, in Whale Pass, 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 Whale Pass?

In Whale Pass, the average relative humidity in September is 88%.

How many days does it rain in September in Whale Pass?

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

When it does not snow in Whale Pass?

In Whale Pass, Alaska, snow does not fall in May through October.

What is the average length of the day in September in Whale Pass?

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

When is the sunrise / sunset in September in Whale Pass?

In September, on the first day of the month, sunrise is at 5:58 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:29 pm AKDT.

What are the months with the most sunshine in Whale Pass?

The months with the most sunshine in Whale Pass are May and September, with an average of 5.7h of sunshine.

How many hours of sunshine does Whale Pass have in September?

The average sunshine duration in September is 5.7h.

What is the UV index intensity in September in Whale Pass?

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk 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
Whale Pass, AK

Average temperature in September - Whale Pass, 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
Whale Pass, AK

Average pressure in September - Whale Pass, AK
  • Average pressure in September: 29.91"Hg

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

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Average wind speed in September
Whale Pass, AK

Average wind speed in September - Whale Pass, 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
Whale Pass, AK

Average humidity in September - Whale Pass, AK
  • Average humidity in September: 88%

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

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Average rainfall in September
Whale Pass, AK

Average rainfall in September - Whale Pass, 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
Whale Pass, AK

Average rainfall days in September - Whale Pass, 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
Whale Pass, AK

Average snowfall in September - Whale Pass, AK
  • Average snowfall in September: 0"

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

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Average snowfall days in September
Whale Pass, AK

Average snowfall days in September - Whale Pass, AK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (10.3 days).
The 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
Whale Pass, AK

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

The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 0min).

  • Average sunshine in September: 5h and 4min

The months with the most sunshine are May and September (Average sunshine: 5h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

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Average sunshine days in September
Whale Pass, AK

Average sunshine days in September - Whale Pass, 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
Whale Pass, AK

Average UV index in September - Whale Pass, 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, November and December (UV index 1).

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Average cloud cover in September
Whale Pass, AK

Average cloud cover in September - Whale Pass, 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
Whale Pass, AK

Average visibility in September - Whale Pass, AK
  • Average visibility in September: 5mi

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

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Whale Pass, Alaska, USA

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