September weather forecast
Chatanika, AK

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Weather in September

September, the first month of the autumn in Chatanika, is still a cool month, with temperature in the range of an average low of 36.3°F (2.4°C) and an average high of 52.5°F (11.4°C).

Temperature

Chatanika's progression into September includes a drop in the average high-temperature, from a comfortable 63.9°F (17.7°C) in August to a cool 52.5°F (11.4°C). An average low-temperature of 36.3°F (2.4°C) is recorded during the nights in September.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In September, the rain falls for 13.1 days. Throughout September, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 100.5 rainfall days, and 10.87" (276mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, August through December. In Chatanika, during September, snow falls for 1.6 days and regularly aggregates up to 0.79" (20mm) of snow. In Chatanika, during the entire year, snow falls for 74.3 days and aggregates up to 24.49" (622mm) of snow.

Daylight

The average length of the day in September is 13h and 1min.
On the first day of the month, sunrise is at 6:31 am and sunset at 9:07 pm. On the last day of September, sunrise is at 7:59 am and sunset at 7:19 pm AKDT.

Sunshine

In Chatanika, the average sunshine in September is 7.4h.

UV index

In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 2 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

The average high-temperature, in September, in Chatanika, is 52.5°F (11.4°C), while the average low-temperature is 36.3°F (2.4°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

How much does it rain in September?

In Chatanika, in September, during 13.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

How many days does it snow in September?

In Chatanika, in September, during 1.6 snowfall days, 0.79" (20mm) of snow is typically accumulated.

How many hours of daylight does Chatanika have in September?

The average day length in September is 13h and 1min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:31 am and sunset at 9:07 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 7:19 pm AKDT.

How many hours of sunshine does Chatanika have in September?

In September, the average sunshine duration is 7.4h.

What is the UV index reading in September in Chatanika?

The average daily maximum UV index in September 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
Chatanika, AK

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

The warmest month (with the highest average high temperature) is July (70.7°F).
The month with the lowest average high temperature is January (2.1°F).

  • Average low temperature in September: 36.3°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (-9°F).

Average pressure in September
Chatanika, AK

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

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

Average wind speed in September
Chatanika, AK

Average wind speed in September - Chatanika, AK
  • Average wind speed in September: 4.4mph

The windiest month (with the highest average wind speed) is May (5mph).
The calmest months (with the lowest average wind speed) are October, November and December (4.2mph).

Average humidity in September
Chatanika, AK

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

The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (56%).

Average rainfall in September
Chatanika, AK

Average rainfall in September - Chatanika, AK
  • Average rainfall in September: 1.26"

The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is January (0.31").

Average rainfall days in September
Chatanika, AK

Average rainfall days in September - Chatanika, AK
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is August (16.4 days).
The month with the least rainy days is February (1.8 days).

Average snowfall in September
Chatanika, AK

Average snowfall in September - Chatanika, AK
  • Average snowfall in September: 0.79"

The month with the highest snowfall is November (6.5").
The months with the least snowfall are June and July (0").

Average snowfall days in September
Chatanika, AK

Average snowfall days in September - Chatanika, AK
  • Average snowfall days in September: 1.6 days

The month with the highest number of snowfall days is November (13.3 days).
The months with the least snowfall days are June and July (0 days).

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

Average daylight in September / Average sunshine in September - Chatanika, AK
  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 21h and 48min).
The month with the shortest days is December (Average daylight: 3h and 48min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

Average sunshine days in September
Chatanika, AK

Average sunshine days in September - Chatanika, AK
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (12.2 days).

Average UV index in September
Chatanika, AK

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

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in September
Chatanika, AK

Average cloud cover in September - Chatanika, AK
  • Average cloud cover in September: 48

The months with the most cloud cover are March, April and November (Cloud cover 53).
The month with the least cloud cover is May (Cloud cover 39).

Average visibility in September
Chatanika, AK

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

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

Chatanika, Alaska, USA

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