September weather forecast
Bettles, AK

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Weather in September

September, the first month of the autumn in Bettles, is also a frosty month, with an average temperature ranging between max 47.5°F (8.6°C) and min 33.1°F (0.6°C).

Temperature

Bettles's September weather features a mild decline in high-temperatures, reducing from a refreshing 60.3°F (15.7°C) in August to a chilly 47.5°F (8.6°C). Throughout September, Bettles witnesses a nighttime temperature average of 33.1°F (0.6°C).

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Bettles, in September, during 11.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Bettles, during the entire year, the rain falls for 76.6 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 3.8 snowfall days, it receives 1.06" (27mm) of snow. In Bettles, Alaska, during the entire year, snow falls for 88.7 days and aggregates up to 35.59" (904mm) of snow.

Daylight

In Bettles, the average length of the day in September is 13h and 6min.
On the first day of September in Bettles, sunrise is at 6:41 am and sunset at 9:30 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 7:33 pm AKDT.

Sunshine

In Bettles, the average sunshine in September is 6.7h.

UV index

January, March, April, September, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: During September, 1 as the daily maximum UV index converts into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

In September, the average high-temperature and low-temperature are 47.5°F (8.6°C) and 33.1°F (0.6°C) respectively.

What is the average humidity in September?

In Bettles, the average relative humidity in September is 75%.

How much does it rain in September?

In Bettles, Alaska, in September, it is raining for 11.3 days, with typically 1.18" (30mm) of accumulated precipitation.

When does it start to snow in Bettles?

September is the first month it typically snows. Throughout September, in the average 3.8 snowfall days, it receives 1.06" (27mm) of snow.

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

The average day length in September is 13h and 6min.

When are sunrise and sunset in September in Bettles?

In September, on the first day of the month, sunrise is at 6:41 am and sunset at 9:30 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 7:33 pm AKDT.

How many hours of sunshine does Bettles have in September?

The average sunshine duration in September is 6.7h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, March, April, September, November and December, with an average maximum UV index of 1.

What is the UV index reading in September?

In Bettles, the average daily maximum UV index in September is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Bettles, AK

Average temperature in September - Bettles, AK
  • Average high temperature in September: 47.5°F

The warmest month (with the highest average high temperature) is July (68.2°F).
The month with the lowest average high temperature is January (-2.7°F).

  • Average low temperature in September: 33.1°F

The month with the highest average low temperature is July (49.3°F).
The coldest month (with the lowest average low temperature) is January (-13.5°F).

Average pressure in September
Bettles, AK

Average pressure in September - Bettles, AK
  • Average pressure in September: 29.8"Hg

The months with the highest atmospheric pressure are January and February (30.01"Hg).
The month with the lowest atmospheric pressure is September (29.8"Hg).

Average wind speed in September
Bettles, AK

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

The windiest months (with the highest average wind speed) are June and July (5.1mph).
The calmest month (with the lowest average wind speed) is February (4.1mph).

Average humidity in September
Bettles, AK

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

The month with the highest relative humidity is April (93%).
The month with the lowest relative humidity is June (52%).

Average rainfall in September
Bettles, AK

Average rainfall in September - Bettles, AK
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in September
Bettles, AK

Average rainfall days in September - Bettles, AK
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is January (1.3 days).

Average snowfall in September
Bettles, AK

Average snowfall in September - Bettles, AK
  • Average snowfall in September: 1.06"

The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Bettles, AK

Average snowfall days in September - Bettles, AK
  • Average snowfall days in September: 3.8 days

The month with the highest number of snowfall days is December (13.4 days).
The month with the least snowfall days is July (0 days).

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

Average daylight in September / Average sunshine in September - Bettles, 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 4min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).

Average sunshine days in September
Bettles, AK

Average sunshine days in September - Bettles, AK
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is August (14.2 days).

Average UV index in September
Bettles, AK

Average UV index in September - Bettles, AK
  • Average UV index in September: 1

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, April, September, November and December (UV index 1).

Average cloud cover in September
Bettles, AK

Average cloud cover in September - Bettles, AK
  • Average cloud cover in September: 52

The month with the most cloud cover is April (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 36).

Average visibility in September
Bettles, AK

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

The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is April (3mi).

Bettles, Alaska, USA

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