September weather forecast and climate
Pedro Bay, AK

Weather in September

The first month of the autumn, September, is still a cool month in Pedro Bay, Alaska, with average temperature fluctuating between 50.5°F (10.3°C) and 41.9°F (5.5°C).

Temperature

In September, the average high-temperature marginally drops, from a moderate 57°F (13.9°C) in August, to a fresh 50.5°F (10.3°C). In September, in Pedro Bay, the average low-temperature is 41.9°F (5.5°C).

Humidity

In September, the average relative humidity is 82%.

Rainfall

September is the month with the most rainfall. Rain falls for 17.9 days and accumulates 3.31" (84mm) 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 0.08" (2mm) of snow. Throughout the year, there are 83.4 snowfall days, and 44.37" (1127mm) of snow is accumulated.

Daylight

The average length of the day in September is 12.8h.

Sunshine

In Pedro Bay, the average sunshine in September is 5.9h.

UV index

In Pedro Bay, Alaska, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the temperature in September in Pedro Bay?

The average high-temperature, in September, is 50.5°F (10.3°C), while the average low-temperature is 41.9°F (5.5°C).

What is the average humidity in September in Pedro Bay?

The average relative humidity in September in Pedro Bay, Alaska, is 82%.

How many days does it rain in September in Pedro Bay?

In Pedro Bay, in September, during 17.9 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

What is the wettest month in Pedro Bay?

The month with the most rainfall in Pedro Bay is September when the rain falls for 17.9 days and typically aggregates up to 3.31" (84mm) of precipitation.

When does it start snowing in Pedro Bay?

September is the first month it typically snows in Pedro Bay, Alaska. Throughout September, in the average 0.5 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Pedro Bay have in September?

The average length of the day in September in Pedro Bay, Alaska, is 12.8h.

How many hours of sunshine does Pedro Bay have in September?

In Pedro Bay, the average sunshine in September is 5.9h.

How high is the UV index in September in Pedro Bay?

In Pedro Bay, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Pedro Bay, AK

Average temperature in September - Pedro Bay, AK
  • Average high temperature in September: 50.5°F

The warmest month (with the highest average high temperature) is July (59.2°F).
The month with the lowest average high temperature is January (20.1°F).

  • Average low temperature in September: 41.9°F

The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

[Resources]

Average pressure in September
Pedro Bay, AK

Average pressure in September - Pedro Bay, AK
  • Average pressure in September: 29.72"

The month with the highest atmospheric pressure is July (29.95").
The month with the lowest atmospheric pressure is December (29.64").

[Resources]

Average wind speed in September
Pedro Bay, AK

Average wind speed in September - Pedro Bay, AK
  • Average wind speed in September: 8.5mph

The windiest month (with the highest average wind speed) is December (9.9mph).
The calmest months (with the lowest average wind speed) are June and July (7.3mph).

[Resources]

Average humidity in September
Pedro Bay, AK

Average humidity in September - Pedro Bay, AK
  • Average humidity in September: 82%

Months with the highest relative humidity are February, March and December (87%).
The month with the lowest relative humidity is May (72%).

[Resources]

Average rainfall in September
Pedro Bay, AK

Average rainfall in September - Pedro Bay, AK
  • Average rainfall in September: 3.31"

The wettest month (with the highest rainfall) is September (3.31").
The driest month (with the least rainfall) is January (1.02").

[Resources]

Average rainfall days in September
Pedro Bay, AK

Average rainfall days in September - Pedro Bay, AK
  • Average rainfall days in September: 17.9 days

The month with the highest number of rainy days is August (18.1 days).
The month with the least rainy days is February (6.3 days).

[Resources]

Average snowfall in September
Pedro Bay, AK

Average snowfall in September - Pedro Bay, AK
  • Average snowfall in September: 0.08"

The month with the highest snowfall is December (9.33").
Months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in September
Pedro Bay, AK

Average snowfall days in September - Pedro Bay, AK
  • Average snowfall days in September: 0.5 days

The month with the highest number of snowfall days is December (14.7 days).
Months with the least snowfall days are June, July and August (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Pedro Bay, AK

Average daylight in September / Average sunshine in September - Pedro Bay, AK
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18.7h).
The month with the shortest days is December (Average daylight: 6.1h).

  • Average sunshine in September: 5.9h

The month with the most sunshine is June (Average sunshine: 9.6h).
The month with the least sunshine is December (Average sunshine: 3h).

[Resources]

Average sunshine days in September
Pedro Bay, AK

Average sunshine days in September - Pedro Bay, AK
  • Average sunshine days in September: 9.7 days

The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is September (9.7 days).

[Resources]

Average UV index in September
Pedro Bay, AK

Average UV index in September - Pedro Bay, AK
  • Average UV index in September: 2

Months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is November (UV index 1).

[Resources]

Average cloud cover in September
Pedro Bay, AK

Average cloud cover in September - Pedro Bay, AK
  • Average cloud cover in September: 55

The month with the most cloud cover is August (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 50).

[Resources]

Average visibility in September
Pedro Bay, AK

Average visibility in September - Pedro Bay, AK
  • Average visibility in September: 6mi

Months with the highest visibility are January, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are February, March and December (5mi).

[Resources]