September weather forecast
Ester, AK

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Weather in September

September, the first month of the autumn in Ester, is still a cool month, with an average temperature ranging between min 36.5°F (2.5°C) and max 52.7°F (11.5°C).

Temperature

A shift in the average high-temperature occurs in September, reducing from a comfortable 64.2°F (17.9°C) in August to a cool 52.7°F (11.5°C). During September, the average low-temperature in Ester is a cold 36.5°F (2.5°C).

Humidity

The average relative humidity in September in Ester, Alaska, is 75%.

Rainfall

In Ester, during September, the rain falls for 11.9 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Ester, during the entire year, the rain falls for 98.7 days and collects up to 10.75" (273mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows in Ester. Throughout September, in the average 1.7 snowfall days, it receives 0.87" (22mm) of snow. In Ester, during the entire year, snow falls for 78.4 days and aggregates up to 25" (635mm) of snow.

Daylight

In Ester, the average length of the day in September is 13h and 0min.
On the first day of September, sunrise is at 6:34 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 7:21 pm AKDT.

Sunshine

In September, the average sunshine is 7.3h.

UV index

The average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What is the usual temperature for Ester in September?

In September, the average high-temperature and low-temperature in Ester are 52.7°F (11.5°C) and 36.5°F (2.5°C) respectively.

What is the average humidity in September in Ester?

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

How much does it rain in Ester in September?

In Ester, Alaska, in September, it is raining for 11.9 days, with typically 1.22" (31mm) of accumulated precipitation.

When does it start snowing in Ester?

September is the first month it typically snows in Ester. Throughout September, in the average 1.7 snowfall days, it receives 0.87" (22mm) of snow.

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

In September, the average day length in Ester is 13h and 0min.

When are sunrise and sunset in September in Ester?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 7:21 pm AKDT.

How long on average sun shines in September in Ester?

In Ester, Alaska, the average sunshine duration in September is 7.3h.

What is the UV index reading in September in Ester?

The average daily maximum UV index in September in Ester is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe 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
Ester, AK

Average temperature in September - Ester, AK
  • Average high temperature in September: 52.7°F

The warmest month (with the highest average high temperature) is July (71.6°F).
The month with the lowest average high temperature is January (1.8°F).

  • Average low temperature in September: 36.5°F

The month with the highest average low temperature is July (50.7°F).
The coldest month (with the lowest average low temperature) is January (-9°F).

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Average pressure in September
Ester, AK

Average pressure in September - Ester, 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).

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Average wind speed in September
Ester, AK

Average wind speed in September - Ester, AK
  • Average wind speed in September: 4.3mph

The windiest month (with the highest average wind speed) is May (4.8mph).
The calmest months (with the lowest average wind speed) are January, August, October, November and December (4.2mph).

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Average humidity in September
Ester, AK

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

The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is June (56%).

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Average rainfall in September
Ester, AK

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

The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in September
Ester, AK

Average rainfall days in September - Ester, AK
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is August (16.5 days).
The month with the least rainy days is February (1.8 days).

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Average snowfall in September
Ester, AK

Average snowfall in September - Ester, AK
  • Average snowfall in September: 0.87"

The month with the highest snowfall is November (5.91").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Ester, AK

Average snowfall days in September - Ester, AK
  • Average snowfall days in September: 1.7 days

The month with the highest number of snowfall days is November (13.5 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
Ester, AK

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

The month with the longest days is June (Average daylight: 21h and 30min).
The month with the shortest days is December (Average daylight: 4h and 0min).

  • 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: 1h and 54min).

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Average sunshine days in September
Ester, AK

Average sunshine days in September - Ester, AK
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is April (11.8 days).

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Average UV index in September
Ester, AK

Average UV index in September - Ester, 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).

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Average cloud cover in September
Ester, AK

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

The months with the most cloud cover are March and April (Cloud cover 55).
The months with the least cloud cover are May and June (Cloud cover 40).

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Average visibility in September
Ester, AK

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

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

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Ester, Alaska, USA

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