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 cool 50.5°F (10.3°C) with the onset of September, subtly varied from August's 54.1°F (12.3°C). Cold Bay encounters an average temperature dip to a chilly 47.3°F (8.5°C) throughout September, subtly lower than its daytime maximum.Humidity
In September, the average relative humidity is 86%.Rainfall
In Cold Bay, in September, it is raining for 16.8 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, in Cold Bay, there are 173.3 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
In Cold Bay, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 41min.On the first day of September, sunrise is at 7:58 am and sunset at 9:42 pm. On the last day of the month, sunrise is at 8:53 am and sunset at 8:27 pm AKDT.
Sunshine
In September, the average sunshine is 4.5h.UV index
In Cold Bay, 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: An average UV index of 2 in September transforms into this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the average September temperature in Cold Bay?
What is the average humidity in September in Cold Bay?
How much does it rain in Cold Bay in September?
When it does not snow in Cold Bay?
Does it snow in Cold Bay in September?
How many hours of daylight does Cold Bay have in September?
What time are sunrise and sunset in September in Cold Bay?
How many hours of sunshine does Cold Bay have in September?
What is the UV index intensity in September in Cold Bay?
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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