September weather forecast
Kasilof, AK

Share

Weather in September

September, the first month of the autumn in Kasilof, is also a fresh month, with an average temperature varying between 43.9°F (6.6°C) and 53.4°F (11.9°C).

Temperature

As August transitions into September, Kasilof sees a gentle drop in the average high-temperature, transitioning from an enjoyable 61°F (16.1°C) to a cool 53.4°F (11.9°C). Kasilof, during the nights of September, experiences an average temperature drop to a chilly 43.9°F (6.6°C).

Humidity

The average relative humidity in September is 81%.

Rainfall

The month with the most rainfall is September, when the rain falls for 18.7 days and typically aggregates up to 3.03" (77mm) 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 0.3 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 72.3 snowfall days, and 34.65" (880mm) of snow is accumulated.

Daylight

The average length of the day in September is 12h and 50min.
On the first day of the month, sunrise is at 7:01 am and sunset at 9:07 pm. On the last day of September, sunrise is at 8:10 am and sunset at 7:38 pm AKDT.

Sunshine

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

UV index

In Kasilof, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 2 in September translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What is the usual temperature for Kasilof in September?

September temperatures vary between a high-temperature of 53.4°F (11.9°C) and a low-temperature of 43.9°F (6.6°C).

What is the average humidity in September?

The average relative humidity in September is 81%.

What is the wettest month?

September is the month with the most rainfall. Rain falls for 18.7 days and accumulates 3.03" (77mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 18.7 days. Throughout September, 3.03" (77mm) of precipitation is accumulated.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.28" (7mm) of snow.

What is the average length of the day in September?

In September, the average day length is 12h and 50min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:01 am and sunset at 9:07 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 7:38 pm AKDT.

How many hours of sunshine does Kasilof have in September?

In September, the average sunshine duration is 6.4h.

How high is the UV index in September?

In Kasilof, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Kasilof, AK

Average temperature in September - Kasilof, AK
  • Average high temperature in September: 53.4°F

The warmest month (with the highest average high temperature) is July (63°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in September: 43.9°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 (17.1°F).

Average pressure in September
Kasilof, AK

Average pressure in September - Kasilof, AK
  • Average pressure in September: 29.73"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.63"Hg).

Average wind speed in September
Kasilof, AK

Average wind speed in September - Kasilof, AK
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is December (7.7mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

Average humidity in September
Kasilof, AK

Average humidity in September - Kasilof, AK
  • Average humidity in September: 81%

The months with the highest relative humidity are January, February and March (89%).
The month with the lowest relative humidity is May (68%).

Average rainfall in September
Kasilof, AK

Average rainfall in September - Kasilof, AK
  • Average rainfall in September: 3.03"

The wettest month (with the highest rainfall) is September (3.03").
The driest months (with the least rainfall) are March, May and June (1.1").

Average rainfall days in September
Kasilof, AK

Average rainfall days in September - Kasilof, AK
  • Average rainfall days in September: 18.7 days

The month with the highest number of rainy days is September (18.7 days).
The month with the least rainy days is February (6.5 days).

Average snowfall in September
Kasilof, AK

Average snowfall in September - Kasilof, AK
  • Average snowfall in September: 0.28"

The month with the highest snowfall is December (8.31").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Kasilof, AK

Average snowfall days in September - Kasilof, AK
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in September: 6h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in September
Kasilof, AK

Average sunshine days in September - Kasilof, AK
  • Average sunshine days in September: 10 days

The month with the most sunshine days is July (14.3 days).
The month with the least sunshine days is September (10 days).

Average UV index in September
Kasilof, AK

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

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

Average cloud cover in September
Kasilof, AK

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

The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 45).

Average visibility in September
Kasilof, AK

Average visibility in September - Kasilof, 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).

Kasilof, Alaska, USA

Weather forecast for your location

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