September weather forecast and climate
Pleasant Valley, AK

Weather in September

The first month of the autumn, September, is still a cool month in Pleasant Valley, Alaska, with average temperature fluctuating between 36.7°F (2.6°C) and 52.5°F (11.4°C).

Temperature

In Pleasant Valley, the average high-temperature decreases, from a comfortable 64.4°F (18°C) in August, to a fresh 52.5°F (11.4°C). In September, the average low-temperature is 36.7°F (2.6°C).

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Pleasant Valley, it is raining for 13 days, with typically 1.22" (31mm) of accumulated precipitation. In Pleasant Valley, Alaska, during the entire year, the rain falls for 101.2 days and collects up to 10.59" (269mm) of precipitation.

Snowfall

Months with snowfall in Pleasant Valley are January through May, August through December. In September, it is snowing for 1.8 days. Throughout September, 0.75" (19mm) of snow is accumulated. In Pleasant Valley, during the entire year, snow falls for 76.9 days, and aggregates up to 24.37" (619mm) of snow.

Daylight

In September, the average length of the day is 13h.

Sunshine

The average sunshine in September is 7.6h.

UV index

The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for average individuals.
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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in September in Pleasant Valley?

In September, in Pleasant Valley, Alaska, the average high-temperature is 52.5°F (11.4°C), and the average low-temperature is 36.7°F (2.6°C).

What is the average humidity in September in Pleasant Valley?

In September, the average relative humidity in Pleasant Valley, Alaska, is 75%.

How much does it rain in Pleasant Valley in September?

In Pleasant Valley, Alaska, in September, it is raining for 13 days, with typically 1.22" (31mm) of accumulated precipitation.

How much does it snow in Pleasant Valley in September?

In September, in Pleasant Valley, it is snowing for 1.8 days. Throughout September, 0.75" (19mm) of snow is accumulated.

What is the average length of the day in September in Pleasant Valley?

The average length of the day in September is 13h.

How long on average sun shines in September in Pleasant Valley?

In Pleasant Valley, Alaska, the average sunshine in September is 7.6h.

What is the UV index intensity in September in Pleasant Valley?

The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
Pleasant Valley, AK

Average temperature in September - Pleasant Valley, AK
  • Average high temperature in September: 52.5°F

The warmest month (with the highest average high temperature) is July (71.1°F).
The month with the lowest average high temperature is January (2.1°F).

  • Average low temperature in September: 36.7°F

The month with the highest average low temperature is July (50.7°F).
The coldest month (with the lowest average low temperature) is January (-8.9°F).

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Average pressure in September
Pleasant Valley, AK

Average pressure in September - Pleasant Valley, AK
  • Average pressure in September: 29.77"

The month with the highest atmospheric pressure is February (29.97").
The month with the lowest atmospheric pressure is September (29.77").

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Average wind speed in September
Pleasant Valley, AK

Average wind speed in September - Pleasant Valley, AK
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is May (5.1mph).
The calmest months (with the lowest average wind speed) are August, October, November and December (4.3mph).

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Average humidity in September
Pleasant Valley, AK

Average humidity in September - Pleasant Valley, AK
  • Average humidity in September: 75%

The month with the highest relative humidity is March (92%).
Months with the lowest relative humidity are May and June (56%).

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Average rainfall in September
Pleasant Valley, AK

Average rainfall in September - Pleasant Valley, AK
  • Average rainfall in September: 1.22"

The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in September
Pleasant Valley, AK

Average rainfall days in September - Pleasant Valley, AK
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is August (17 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in September
Pleasant Valley, AK

Average snowfall in September - Pleasant Valley, AK
  • Average snowfall in September: 0.75"

The month with the highest snowfall is November (6.1").
Months with the least snowfall are June and July (0").

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Average snowfall days in September
Pleasant Valley, AK

Average snowfall days in September - Pleasant Valley, AK
  • Average snowfall days in September: 1.8 days

The month with the highest number of snowfall days is November (13.6 days).
Months with the least snowfall days are June and July (0 days).

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Average daylight in September /
Average sunshine in September
Pleasant Valley, AK

Average daylight in September / Average sunshine in September - Pleasant Valley, AK
  • Average daylight in September: 13h

The month with the longest days is June (Average daylight: 21.6h).
The month with the shortest days is December (Average daylight: 3.9h).

  • Average sunshine in September: 7.6h

The month with the most sunshine is June (Average sunshine: 12.4h).
The month with the least sunshine is December (Average sunshine: 2h).

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Average sunshine days in September
Pleasant Valley, AK

Average sunshine days in September - Pleasant Valley, AK
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is August (12.4 days).

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Average UV index in September
Pleasant Valley, AK

Average UV index in September - Pleasant Valley, AK
  • Average UV index in September: 2

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are March, November and December (UV index 1).

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Average cloud cover in September
Pleasant Valley, AK

Average cloud cover in September - Pleasant Valley, AK
  • Average cloud cover in September: 46

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is May (Cloud cover 38).

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Average visibility in September
Pleasant Valley, AK

Average visibility in September - Pleasant Valley, AK
  • Average visibility in September: 6mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April, November and December (4mi).

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