September weather forecast
Kotzebue, AK

englishespañol中文
Share
A winter day in Kotzebue Village, Alaska - the sunlit buildings and snow-peaked mountains afar
A winter day in Kotzebue Village, Alaska - the sunlit buildings and snow-peaked mountains afar

Weather in September

September signals the beginning of Kotzebue's weather shift, with temperatures dropping and snowfall reappearing at 0.35" (9mm). The abrupt plunge intimates the retreat of summer and the impending arrival of winter. The landscape begins its transformation from lush greenery to a barren winter wonderland. Despite the initiate cold, daylight hours remain relatively long, allowing for the enjoyment of outdoor activities with the proper attire.

Temperature

A subtle shift in Kotzebue's weather is observed as August turns into September, with the average high temperature reducing from a fresh 54.5°F (12.5°C) to a frosty 46.6°F (8.1°C). Kotzebue, during September nights, records a temperature marginally cooler than the daytime average, at an icy 40.8°F (4.9°C).

Humidity

The average relative humidity in September is 75%.

Rainfall

In Kotzebue, during September, the rain falls for 11.1 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Kotzebue, during the entire year, the rain falls for 83.3 days and collects up to 11.85" (301mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 2.7 snowfall days, it receives 0.35" (9mm) of snow. In Kotzebue, Alaska, during the entire year, snow falls for 86.9 days and aggregates up to 21.46" (545mm) of snow.

Ocean temperature

In Kotzebue, in September, the average water temperature is 46.8°F (8.2°C).
Note: Immersing oneself in 46.8°F (8.2°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.

Daylight

The average length of the day in September is 13h and 5min.
On the first day of September, sunrise is at 7:25 am and sunset at 10:14 pm. On the last day of the month, sunrise is at 9:02 am and sunset at 8:17 pm AKDT.

Sunshine

The average sunshine in September is 6.2h.

UV index

In Kotzebue, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during September leads to these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

What are September temperatures?

September temperatures vary between a high-temperature of 46.6°F (8.1°C) and a low-temperature of 40.8°F (4.9°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

How many days does it rain in September?

In September, the rain falls for 11.1 days. Throughout September, 1.22" (31mm) of precipitation is accumulated.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 2.7 snowfall days, it receives 0.35" (9mm) of snow.

What is the ocean temperature in September in Kotzebue?

In September, the average ocean temperature is 46.8°F (8.2°C). Swimming in 46.8°F (8.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Kotzebue have in September?

The average day length in September is 13h and 5min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:25 am and sunset at 10:14 pm. On the last day of the month, sunrise is at 9:02 am and sunset at 8:17 pm AKDT.

How many hours of sunshine does Kotzebue have in September?

In Kotzebue, the average sunshine duration in September is 6.2h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Kotzebue, AK

Average temperature in September - Kotzebue, AK
  • Average high temperature in September: 46.6°F

The warmest month (with the highest average high temperature) is July (54.9°F).
The month with the lowest average high temperature is January (6.3°F).

  • Average low temperature in September: 40.8°F

The month with the highest average low temperature is August (48.4°F).
The coldest month (with the lowest average low temperature) is January (-1.1°F).

Average pressure in September
Kotzebue, AK

Average pressure in September - Kotzebue, AK
  • Average pressure in September: 29.77"Hg

The month with the highest atmospheric pressure is March (29.96"Hg).
The months with the lowest atmospheric pressure are September and October (29.77"Hg).

Average wind speed in September
Kotzebue, AK

Average wind speed in September - Kotzebue, AK
  • Average wind speed in September: 11.2mph

The windiest month (with the highest average wind speed) is October (13.3mph).
The calmest month (with the lowest average wind speed) is May (7.9mph).

Average humidity in September
Kotzebue, AK

Average humidity in September - Kotzebue, AK
  • Average humidity in September: 75%

The months with the highest relative humidity are February and March (90%).
The month with the lowest relative humidity is June (74%).

Average rainfall in September
Kotzebue, AK

Average rainfall in September - Kotzebue, AK
  • Average rainfall in September: 1.22"

The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is June (0.47").

Average rainfall days in September
Kotzebue, AK

Average rainfall days in September - Kotzebue, AK
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is August (15.2 days).
The months with the least rainy days are January and December (2.3 days).

Average snowfall in September
Kotzebue, AK

Average snowfall in September - Kotzebue, AK
  • Average snowfall in September: 0.35"

The month with the highest snowfall is March (3.98").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Kotzebue, AK

Average snowfall days in September - Kotzebue, AK
  • Average snowfall days in September: 2.7 days

The month with the highest number of snowfall days is December (12.6 days).
The month with the least snowfall days is July (0 days).

Average sea temperature in September
Kotzebue, AK

Average sea temperature in September - Kotzebue, AK
  • Average sea temperature in September: 46.6°F

The best month for swimming (with the highest average sea temperature) is August (54.2°F).
The coldest month (with the lowest average sea temperature) is December (29.4°F).

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

Average daylight in September / Average sunshine in September - Kotzebue, AK
  • Average daylight in September: 13h and 1min

The month with the longest days is May (Average daylight: 20h and 0min).
The month with the shortest days is June (Average daylight: 0h and 48min).

  • Average sunshine in September: 6h and 1min

The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).

Average sunshine days in September
Kotzebue, AK

Average sunshine days in September - Kotzebue, AK
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is June (20.5 days).
The month with the least sunshine days is August (13 days).

Average UV index in September
Kotzebue, AK

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

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

Average cloud cover in September
Kotzebue, AK

Average cloud cover in September - Kotzebue, AK
  • Average cloud cover in September: 51

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 39).

Average visibility in September
Kotzebue, AK

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

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).

Kotzebue, Alaska, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location