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
September is characterized by a mild reduction in the average high-temperature, from a cool 53.4°F (11.9°C) in August to a chilly 45°F (7.2°C). The temperature lowers to an average of 33.6°F (0.9°C) during September nights.Humidity
In September, the average relative humidity is 80%.Rainfall
In Eska, during September, the rain falls for 22 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, in Eska, there are 175 rainfall days, and 19.49" (495mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Eska. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 93.9 snowfall days, and 41.54" (1055mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 53min.On the first day of the month, sunrise is at 6:48 am and sunset at 9:02 pm. On the last day of September, sunrise is at 8:02 am and sunset at 7:28 pm AKDT.
Sunshine
In Eska, Alaska, the average sunshine in September is 7.7h.UV index
In Eska, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 2 in September translates into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Eska have in September?
What is the UV index intensity in September?
Average temperature in September
Eska, AK
- Average high temperature in September: 45°F
The warmest month (with the highest average high temperature) is July (57°F).
The month with the lowest average high temperature is January (15.6°F).
- Average low temperature in September: 33.6°F
The month with the highest average low temperature is July (42.3°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in September
Eska, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.71"Hg).
Average wind speed in September
Eska, AK
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is January (6.2mph).
The calmest months (with the lowest average wind speed) are June and July (4.1mph).
Average humidity in September
Eska, AK
- Average humidity in September: 80%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is June (75%).
Average rainfall in September
Eska, AK
- Average rainfall in September: 2.76"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Eska, AK
- Average rainfall days in September: 22 days
The month with the highest number of rainy days is August (25 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in September
Eska, AK
- Average snowfall in September: 0.24"
The month with the highest snowfall is December (9.41").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Eska, AK
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is December (16.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Eska, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Eska, AK
- Average sunshine days in September: 6.3 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is June (4.6 days).
Average UV index in September
Eska, AK
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Eska, AK
- Average cloud cover in September: 47
The month with the most cloud cover is April (Cloud cover 50).
The month with the least cloud cover is January (Cloud cover 41).
Average visibility in September
Eska, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and April (4mi).
Eska, Alaska, USA
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