September weather forecast
Nikolai, AK

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Weather in September

September, the first month of the autumn in Nikolai, is also a fresh month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 50.9°F (10.5°C).

Temperature

In September, the meteorological conditions alter, with the average high-temperature shifting from a comfortable 61.3°F (16.3°C) in August to a cool 50.9°F (10.5°C). Nikolai usually reports an average low-temperature of 37.4°F (3°C) during the month of September.

Humidity

In Nikolai, Alaska, the average relative humidity in September is 80%.

Rainfall

In September, the rain falls for 14.5 days. Throughout September, 1.97" (50mm) of precipitation is accumulated. Throughout the year, in Nikolai, Alaska, there are 111.7 rainfall days, and 14.88" (378mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows in Nikolai. Throughout September, in the average 1.5 snowfall days, it receives 0.63" (16mm) of snow. In Nikolai, during the entire year, snow falls for 96.1 days and aggregates up to 38.66" (982mm) of snow.

Daylight

The average length of the day in September in Nikolai is 12h and 55min.
On the first day of September, sunrise is at 7:06 am and sunset at 9:27 pm. On the last day of the month, sunrise is at 8:25 am and sunset at 7:48 pm AKDT.

Sunshine

In September, the average sunshine in Nikolai is 5.6h.

UV index

In September, the average daily maximum UV index in Nikolai is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In September, an average UV index of 2 transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the average September temperature in Nikolai?

Nikolai in September has an average high-temperature of 50.9°F (10.5°C) and an average low-temperature of 37.4°F (3°C).

What is the average humidity in September in Nikolai?

In September, the average relative humidity in Nikolai is 80%.

How many days does it rain in September in Nikolai?

In Nikolai, in September, it is raining for 14.5 days, with typically 1.97" (50mm) of accumulated precipitation.

When does it start to snow in Nikolai?

September is the first month it typically snows in Nikolai, Alaska. Throughout September, in the average 1.5 snowfall days, it receives 0.63" (16mm) of snow.

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

In September, the average day length in Nikolai is 12h and 55min.

When are sunrise and sunset in September in Nikolai?

In September, on the first day of the month, sunrise is at 7:06 am and sunset at 9:27 pm. On the last day of the month, sunrise is at 8:25 am and sunset at 7:48 pm AKDT.

How many hours of sunshine does Nikolai have in September?

The average sunshine duration in September in Nikolai is 5.6h.

What is the UV index intensity in September in Nikolai?

The average daily maximum UV index in September in Nikolai, Alaska, is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Nikolai, AK

Average temperature in September - Nikolai, AK
  • Average high temperature in September: 50.9°F

The warmest month (with the highest average high temperature) is July (67.1°F).
The month with the lowest average high temperature is January (2.5°F).

  • Average low temperature in September: 37.4°F

The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (-8°F).

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Average pressure in September
Nikolai, AK

Average pressure in September - Nikolai, AK
  • Average pressure in September: 29.75"Hg

The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.72"Hg).

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Average wind speed in September
Nikolai, AK

Average wind speed in September - Nikolai, AK
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest months (with the lowest average wind speed) are February, November and December (5.3mph).

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Average humidity in September
Nikolai, AK

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

The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is June (62%).

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Average rainfall in September
Nikolai, AK

Average rainfall in September - Nikolai, AK
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in September
Nikolai, AK

Average rainfall days in September - Nikolai, AK
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in September
Nikolai, AK

Average snowfall in September - Nikolai, AK
  • Average snowfall in September: 0.63"

The month with the highest snowfall is November (10.16").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Nikolai, AK

Average snowfall days in September - Nikolai, AK
  • Average snowfall days in September: 1.5 days

The months with the highest number of snowfall days are March and November (15.8 days).
The 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
Nikolai, AK

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

The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 4h and 54min).

  • Average sunshine in September: 5h and 4min

The month with the most sunshine is May (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).

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Average sunshine days in September
Nikolai, AK

Average sunshine days in September - Nikolai, AK
  • Average sunshine days in September: 11.4 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (9.6 days).

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Average UV index in September
Nikolai, AK

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

The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, March, October, November and December (UV index 1).

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Average cloud cover in September
Nikolai, AK

Average cloud cover in September - Nikolai, AK
  • Average cloud cover in September: 56

The month with the most cloud cover is April (Cloud cover 68).
The months with the least cloud cover are May and June (Cloud cover 47).

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Average visibility in September
Nikolai, AK

Average visibility in September - Nikolai, AK
  • Average visibility in September: 5mi

The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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Nikolai, Alaska, USA

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