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
Eyak's shift into September sets the average high-temperature at a cool 52.5°F (11.4°C), a figure that deviates only slightly from August's 57.7°F (14.3°C). September nights witness a slight temperature decrease, averaging at a frosty 45.3°F (7.4°C).Humidity
In Eyak, Alaska, the average relative humidity in September is 82%.Rainfall
In Eyak, in September, during 20.9 rainfall days, 8.98" (228mm) of precipitation is typically accumulated. In Eyak, during the entire year, the rain falls for 191.3 days and collects up to 72.4" (1839mm) of precipitation.Snowfall
In Eyak, snow does not fall in June through September.Daylight
The average length of the day in September in Eyak is 12h and 50min.On the first day of the month, sunrise is at 6:38 am and sunset at 8:45 pm. On the last day of September, in Eyak, sunrise is at 7:48 am and sunset at 7:16 pm AKDT.
Sunshine
In September, the average sunshine in Eyak, Alaska, is 5.1h.UV index
In Eyak, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 3 in September transforms into this advice:
Heed the precautions - It is counselled to guard against solar damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the usual temperature for Eyak in September?
What is the average humidity in September in Eyak?
How much does it rain in Eyak in September?
When it does not snow in Eyak?
Does it snow in Eyak in September?
What is the average length of the day in September in Eyak?
When is the sunrise / sunset in September in Eyak?
How many hours of sunshine does Eyak have in September?
What is the UV index reading in September in Eyak?
Average temperature in September
Eyak, AK
- Average high temperature in September: 52.5°F
The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 45.3°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in September
Eyak, AK
- Average pressure in September: 29.78"Hg
The month with the highest atmospheric pressure is July (30"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).
Average wind speed in September
Eyak, AK
- Average wind speed in September: 8mph
The windiest months (with the highest average wind speed) are January and November (12.1mph).
The calmest month (with the lowest average wind speed) is June (5.2mph).
Average humidity in September
Eyak, AK
- Average humidity in September: 82%
The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
Eyak, AK
- Average rainfall in September: 8.98"
The wettest month (with the highest rainfall) is October (9.09").
The driest month (with the least rainfall) is June (2.72").
Average rainfall days in September
Eyak, AK
- Average rainfall days in September: 20.9 days
The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in September
Eyak, AK
- Average snowfall in September: 0"
The month with the highest snowfall is December (17.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Eyak, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Eyak, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 5h and 1min
The months with the most sunshine are May, June and July (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in September
Eyak, AK
- Average sunshine days in September: 8 days
The month with the most sunshine days is July (12.1 days).
The month with the least sunshine days is September (8 days).
Average UV index in September
Eyak, 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 November and December (UV index 1).
Average cloud cover in September
Eyak, AK
- Average cloud cover in September: 63
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 57).
Average visibility in September
Eyak, AK
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, August and December (5mi).
Eyak, Alaska, USA
Weather forecast for your location
2. Allow the app to use your location
