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 average high-temperature during September is a fresh 54.9°F (12.7°C), almost matching the conditions of the preceding month. Yakutat registers a subtle dip to an average of 49.3°F (9.6°C) during the nights of September.Humidity
In September, the average relative humidity in Yakutat is 77%.Rainfall
In Yakutat, in September, during 16.7 rainfall days, 6.02" (153mm) of precipitation is typically accumulated. In Yakutat, during the entire year, the rain falls for 171.7 days and collects up to 60.71" (1542mm) of precipitation.Snowfall
In Yakutat, snow does not fall in June through September.Ocean temperature
In September, the average ocean temperature is 55.4°F (13°C).Note: Beware of 55.4°F (13°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.
Daylight
In Yakutat, 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 September, the average sunshine is 6.2h.UV index
In Yakutat, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September in Yakutat?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the ocean temperature in September?
How many hours of daylight does Yakutat have in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Yakutat?
What is the UV index intensity in September?
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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