Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Cold Bay experiences an average high-temperature of a still fresh 50.5°F (10.3°C) with the onset of September, subtly varied from August's 54.1°F (12.3°C). Cold Bay nights in September witness a mild cool down to an average temperature of 47.3°F (8.5°C).Humidity
In Cold Bay, the average relative humidity in September is 86%.Rainfall
In Cold Bay, during September, the rain falls for 16.8 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Cold Bay, during the entire year, the rain falls for 173.3 days and collects up to 24.29" (617mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Cold Bay, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 7:58 am and sunset at 9:42 pm. On the last day of September, sunrise is at 8:53 am and sunset at 8:27 pm AKDT.
Sunshine
In Cold Bay, the average sunshine in September is 4.5h.UV index
The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cold Bay in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Cold Bay have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Cold Bay have in September?
How high is the UV index in September?
Average temperature in September
Cold Bay, AK
- Average high temperature in September: 50.5°F
The warmest month (with the highest average high temperature) is August (54.1°F).
The month with the lowest average high temperature is March (33.4°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is March (28.4°F).
Average pressure in September
Cold Bay, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The months with the lowest atmospheric pressure are January and December (29.52"Hg).
Average wind speed in September
Cold Bay, AK
- Average wind speed in September: 14.6mph
The windiest month (with the highest average wind speed) is December (16.7mph).
The calmest month (with the lowest average wind speed) is July (9.9mph).
Average humidity in September
Cold Bay, AK
- Average humidity in September: 86%
The month with the highest relative humidity is July (90%).
The month with the lowest relative humidity is November (80%).
Average rainfall in September
Cold Bay, AK
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is December (2.72").
The driest month (with the least rainfall) is March (1.54").
Average rainfall days in September
Cold Bay, AK
- Average rainfall days in September: 16.8 days
The months with the highest number of rainy days are July and August (18.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Cold Bay, AK
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cold Bay, AK
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cold Bay, AK
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 4h and 3min
The month with the most sunshine is June (Average sunshine: 7h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in September
Cold Bay, AK
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is January (13.8 days).
The months with the least sunshine days are February and December (9.3 days).
Average UV index in September
Cold Bay, AK
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are February, March and November (UV index 1).
Average cloud cover in September
Cold Bay, AK
- Average cloud cover in September: 67
The month with the most cloud cover is July (Cloud cover 71).
The months with the least cloud cover are March and October (Cloud cover 63).
Average visibility in September
Cold Bay, AK
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Cold Bay, Alaska, USA
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