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 sea temperature 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
The advent of September observes an average high-temperature of a fresh 54.9°F (12.7°C), nearly identical to August's 58.8°F (14.9°C). Yakutat observes a consistent average low-temperature of 49.3°F (9.6°C) throughout September nights.Humidity
In Yakutat, the average relative humidity in September is 77%.Rainfall
In Yakutat, in September, during 16.7 rainfall days, 6.02" (153mm) of precipitation is typically accumulated. Throughout the year, in Yakutat, there are 171.7 rainfall days, and 60.71" (1542mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Ocean temperature
In September, the average ocean temperature in Yakutat is 55.4°F (13°C).Note: You can swim in 55.4°F (13°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.
Daylight
The average length of the day in September is 12h and 49min.On the first day of September, sunrise is at 6:17 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 6:53 pm AKDT.
Sunshine
In Yakutat, the average sunshine in September is 6.2h.UV index
In Yakutat, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are the temperatures in Yakutat in September?
What is the average humidity in September in Yakutat?
How many days does it rain in September in Yakutat?
When it does not snow in Yakutat?
Does it snow in Yakutat in September?
How cold is the water in September in Yakutat?
How many hours of daylight does Yakutat have in September?
When is the sunrise / sunset in September in Yakutat?
How long on average sun shines in September in Yakutat?
How high is the UV index in September in Yakutat?
Average temperature in September
Yakutat, AK
- Average high temperature in September: 54.9°F
The warmest month (with the highest average high temperature) is July (59.4°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in September: 49.3°F
The month with the highest average low temperature is August (53.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
Yakutat, AK
- Average pressure in September: 29.83"Hg
The month with the highest atmospheric pressure is July (30.02"Hg).
The month with the lowest atmospheric pressure is November (29.69"Hg).
Average wind speed in September
Yakutat, AK
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is November (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in September
Yakutat, AK
- Average humidity in September: 77%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (72%).
Average rainfall in September
Yakutat, AK
- Average rainfall in September: 6.02"
The wettest month (with the highest rainfall) is October (8.54").
The driest month (with the least rainfall) is June (2.32").
Average rainfall days in September
Yakutat, AK
- Average rainfall days in September: 16.7 days
The month with the highest number of rainy days is October (19.1 days).
The month with the least rainy days is February (10.1 days).
Average snowfall in September
Yakutat, AK
- Average snowfall in September: 0"
The month with the highest snowfall is January (9.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Yakutat, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Yakutat, AK
- Average sea temperature in September: 55°F
The best month for swimming (with the highest average sea temperature) is August (57°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (43°F).
Average daylight in September /
Average sunshine in September
Yakutat, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is June (Average sunshine: 7h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Yakutat, AK
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is May (16.7 days).
The month with the least sunshine days is November (10.3 days).
Average UV index in September
Yakutat, AK
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Yakutat, AK
- Average cloud cover in September: 57
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 55).
Average visibility in September
Yakutat, 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).
Yakutat, Alaska, USA
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