September weather forecast and climate
Copper Center, AK

Weather in September

September, the first month of the autumn, in Copper Center, is also a fresh month, with average temperature varying between 51.6°F (10.9°C) and 36.5°F (2.5°C).

Temperature

In September, the average high-temperature drops, from an enjoyable 61.9°F (16.6°C) in August, to a cool 51.6°F (10.9°C). In September, in Copper Center, the average low-temperature is 36.5°F (2.5°C).

Humidity

The average relative humidity in Copper Center is 72%.

Rainfall

In Copper Center, during September, the rain falls for 10.1 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Copper Center, during the entire year, the rain falls for 81.1 days and collects up to 5.71" (145mm) 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 0.5 snowfall days, it receives 0.2" (5mm) of snow. In Copper Center, during the entire year, snow falls for 54.8 days, and aggregates up to 17.13" (435mm) of snow.

Daylight

The average length of the day in Copper Center is 12.9h.

Sunshine

The average sunshine in Copper Center is 9h.

UV index

January through April, September through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Copper Center?

In Copper Center, in September, the average high-temperature is 51.6°F (10.9°C), and the average low-temperature is 36.5°F (2.5°C).

What is the average humidity in September in Copper Center?

In September, the average relative humidity in Copper Center is 72%.

How many days does it rain in September in Copper Center?

In Copper Center, in September, it is raining for 10.1 days, with typically 0.79" (20mm) of accumulated precipitation.

When does it start snowing in Copper Center?

September is the first month it typically snows in Copper Center, Alaska. Throughout September, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow.

What is the average length of the day in September in Copper Center?

In Copper Center, the average length of the day in September is 12.9h.

How long on average sun shines in September in Copper Center?

The average sunshine in September is 9h.

What are the months with the lowest UV index in Copper Center?

January through April, September through December, with an average maximum UV index of 2, are months with the lowest UV index in Copper Center.

What is the UV index reading in September in Copper Center?

In Copper Center, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in September
Copper Center, AK

Average temperature in September - Copper Center, AK
  • Average high temperature in September: 51.6°F

The warmest month (with the highest average high temperature) is July (67.5°F).
The month with the lowest average high temperature is January (9.1°F).

  • Average low temperature in September: 36.5°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (-1.8°F).

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Average pressure in September
Copper Center, AK

Average pressure in September - Copper Center, AK
  • Average pressure in September: 29.78"

The month with the highest atmospheric pressure is July (29.95").
Months with the lowest atmospheric pressure are September, October, November and December (29.78").

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Average wind speed in September
Copper Center, AK

Average wind speed in September - Copper Center, AK
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).

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Average humidity in September
Copper Center, AK

Average humidity in September - Copper Center, AK
  • Average humidity in September: 72%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is June (57%).

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Average rainfall in September
Copper Center, AK

Average rainfall in September - Copper Center, AK
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is August (0.91").
The driest month (with the least rainfall) is April (0.2").

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Average rainfall days in September
Copper Center, AK

Average rainfall days in September - Copper Center, AK
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is August (11.3 days).
Months with the least rainy days are February and November (3.7 days).

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Average snowfall in September
Copper Center, AK

Average snowfall in September - Copper Center, AK
  • Average snowfall in September: 0.2"

The month with the highest snowfall is December (4.57").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Copper Center, AK

Average snowfall days in September - Copper Center, AK
  • Average snowfall days in September: 0.5 days

The month with the highest number of snowfall days is December (11.2 days).
Months with the least snowfall days are June and July (0 days).

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Average daylight in September /
Average sunshine in September
Copper Center, AK

Average daylight in September / Average sunshine in September - Copper Center, AK
  • Average daylight in September: 12.9h

The month with the longest days is June (Average daylight: 19.6h).
The month with the shortest days is December (Average daylight: 5.4h).

  • Average sunshine in September: 9h

The month with the most sunshine is June (Average sunshine: 14.2h).
Months with the least sunshine are January and December (Average sunshine: 3.9).

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Average sunshine days in September
Copper Center, AK

Average sunshine days in September - Copper Center, AK
  • Average sunshine days in September: 17.6 days

The month with the most sunshine days is March (24.2 days).
The month with the least sunshine days is August (17.3 days).

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Average UV index in September
Copper Center, AK

Average UV index in September - Copper Center, AK
  • Average UV index in September: 2

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 2).

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Average cloud cover in September
Copper Center, AK

Average cloud cover in September - Copper Center, AK
  • Average cloud cover in September: 39

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in September
Copper Center, AK

Average visibility in September - Copper Center, AK
  • Average visibility in September: 6mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January and March (4mi).

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