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
Ester's September weather comes with a decrease in average high-temperatures, moving from a refreshing 64.2°F (17.9°C) in August to a fresh 52.7°F (11.5°C). Throughout the month of September, Ester witnesses an average low-temperature of 36.5°F (2.5°C).Humidity
In Ester, Alaska, the average relative humidity in September is 75%.Rainfall
In Ester, in September, it is raining for 11.9 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 98.7 rainfall days, and 10.75" (273mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Ester. September is the first month it typically snows. Throughout September, in the average 1.7 snowfall days, it receives 0.87" (22mm) of snow. Throughout the year, there are 78.4 snowfall days, and 25" (635mm) of snow is accumulated.Daylight
The average length of the day in September is 13h and 0min.On the first day of September, sunrise is at 6:34 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 7:21 pm AKDT.
Sunshine
The average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In September, an average UV index of 2 transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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 in Ester?
How much does it rain in Ester in September?
When does it start to snow?
How many hours of daylight does Ester have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Ester, AK
- Average high temperature in September: 52.7°F
The warmest month (with the highest average high temperature) is July (71.6°F).
The month with the lowest average high temperature is January (1.8°F).
- Average low temperature in September: 36.5°F
The month with the highest average low temperature is July (50.7°F).
The coldest month (with the lowest average low temperature) is January (-9°F).
Average pressure in September
Ester, AK
- Average pressure in September: 29.77"Hg
The month with the highest atmospheric pressure is February (29.97"Hg).
The month with the lowest atmospheric pressure is September (29.77"Hg).
Average wind speed in September
Ester, AK
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is May (4.8mph).
The calmest months (with the lowest average wind speed) are January, August, October, November and December (4.2mph).
Average humidity in September
Ester, AK
- Average humidity in September: 75%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is June (56%).
Average rainfall in September
Ester, AK
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Ester, AK
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is August (16.5 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Ester, AK
- Average snowfall in September: 0.87"
The month with the highest snowfall is November (5.91").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Ester, AK
- Average snowfall days in September: 1.7 days
The month with the highest number of snowfall days is November (13.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Ester, AK
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 21h and 30min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in September
Ester, AK
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in September
Ester, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Ester, AK
- Average cloud cover in September: 48
The months with the most cloud cover are March and April (Cloud cover 55).
The months with the least cloud cover are May and June (Cloud cover 40).
Average visibility in September
Ester, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is March (3mi).
Ester, Alaska, USA
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