September weather forecast and climate
Nikolaevsk, AK

Weather in September

September, the first month of the autumn, in Nikolaevsk, is still a cool month, with average temperature fluctuating between 46.9°F (8.3°C) and 51.4°F (10.8°C).

Temperature

In September, the average high-temperature is practically the same as in August - a cool 51.4°F (10.8°C). In September, the average low-temperature is 46.9°F (8.3°C).

Humidity

The average relative humidity in Nikolaevsk is 80%.

Rainfall

In September, in Nikolaevsk, Alaska, the rain falls for 18.1 days. Throughout September, 3.5" (89mm) of precipitation is accumulated. In Nikolaevsk, during the entire year, the rain falls for 159.7 days and collects up to 29.65" (753mm) of precipitation.

Snowfall

In Nikolaevsk snow does not fall in June through September.

Daylight

The average length of the day in September is 12.8h.

Sunshine

In September, the average sunshine in Nikolaevsk is 6.4h.

UV index

In September, the average daily maximum UV index in Nikolaevsk is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. 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 Nikolaevsk?

In Nikolaevsk, Alaska, in September, the average high-temperature is 51.4°F (10.8°C), and the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in September in Nikolaevsk?

In September, the average relative humidity is 80%.

How many days does it rain in September in Nikolaevsk?

In September, in Nikolaevsk, the rain falls for 18.1 days. Throughout September, 3.5" (89mm) of precipitation is accumulated.

Does it snow in Nikolaevsk in September?

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

When it does not snow in Nikolaevsk?

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

What is the average length of the day in September in Nikolaevsk?

In September, the average length of the day in Nikolaevsk, Alaska, is 12.8h.

How many hours of sunshine does Nikolaevsk have in September?

In Nikolaevsk, the average sunshine in September is 6.4h.

What is the UV index intensity in September in Nikolaevsk?

In September, the average daily maximum UV index in Nikolaevsk is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in September
Nikolaevsk, AK

Average temperature in September - Nikolaevsk, AK
  • Average high temperature in September: 51.4°F

The warmest month (with the highest average high temperature) is July (56.7°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in September: 46.9°F

The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

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Average pressure in September
Nikolaevsk, AK

Average pressure in September - Nikolaevsk, AK
  • Average pressure in September: 29.72"

The month with the highest atmospheric pressure is July (29.96").
The month with the lowest atmospheric pressure is December (29.61").

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Average wind speed in September
Nikolaevsk, AK

Average wind speed in September - Nikolaevsk, AK
  • Average wind speed in September: 9mph

The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is June (7.1mph).

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Average humidity in September
Nikolaevsk, AK

Average humidity in September - Nikolaevsk, AK
  • Average humidity in September: 80%

Months with the highest relative humidity are January, July, August and December (83%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in September
Nikolaevsk, AK

Average rainfall in September - Nikolaevsk, AK
  • Average rainfall in September: 3.5"

The wettest month (with the highest rainfall) is October (3.94").
The driest month (with the least rainfall) is June (1.26").

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Average rainfall days in September
Nikolaevsk, AK

Average rainfall days in September - Nikolaevsk, AK
  • Average rainfall days in September: 18.1 days

The month with the highest number of rainy days is September (18.1 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in September
Nikolaevsk, AK

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

The month with the highest snowfall is February (6.26").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Nikolaevsk, AK

Average snowfall days in September - Nikolaevsk, AK
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is December (12.5 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Nikolaevsk, AK
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18.7h).
The month with the shortest days is December (Average daylight: 6.1h).

  • Average sunshine in September: 6.4h

The month with the most sunshine is June (Average sunshine: 9.9h).
The month with the least sunshine is December (Average sunshine: 2.6h).

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Average sunshine days in September
Nikolaevsk, AK

Average sunshine days in September - Nikolaevsk, AK
  • Average sunshine days in September: 10.7 days

The month with the most sunshine days is March (14.5 days).
The month with the least sunshine days is December (10.3 days).

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Average UV index in September
Nikolaevsk, AK

Average UV index in September - Nikolaevsk, AK
  • Average UV index in September: 3

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

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Average cloud cover in September
Nikolaevsk, AK

Average cloud cover in September - Nikolaevsk, AK
  • Average cloud cover in September: 50

The month with the most cloud cover is December (Cloud cover 61).
Months with the least cloud cover are June and July (Cloud cover 47).

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Average visibility in September
Nikolaevsk, AK

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

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

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