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
Ingrihak's transition into September involves a gentle shift in temperature, receding from a refreshing 59°F (15°C) in August to a cool 51.1°F (10.6°C). Ingrihak usually reports an average low-temperature of 40.1°F (4.5°C) during the month of September.Humidity
The average relative humidity in September is 81%.Rainfall
In Ingrihak, in September, it is raining for 14.5 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 104.5 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Ingrihak. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 71.4 snowfall days, and 22.72" (577mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 53min.On the first day of September, sunrise is at 7:40 am and sunset at 9:54 pm. On the last day of the month, sunrise is at 8:54 am and sunset at 8:20 pm AKDT.
Sunshine
The average sunshine in September is 4.5h.UV index
In Ingrihak, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual 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. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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?
How much does it rain in September?
When does it start snowing?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September in Ingrihak?
Average temperature in September
Ingrihak, AK
- Average high temperature in September: 51.1°F
The warmest month (with the highest average high temperature) is July (61.5°F).
The month with the lowest average high temperature is January (11.3°F).
- Average low temperature in September: 40.1°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (2.3°F).
Average pressure in September
Ingrihak, AK
- Average pressure in September: 29.72"Hg
The month with the highest atmospheric pressure is July (29.91"Hg).
The months with the lowest atmospheric pressure are October and December (29.67"Hg).
Average wind speed in September
Ingrihak, AK
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is February (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in September
Ingrihak, AK
- Average humidity in September: 81%
The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (66%).
Average rainfall in September
Ingrihak, AK
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is August (2.13").
The driest months (with the least rainfall) are January and June (0.87").
Average rainfall days in September
Ingrihak, AK
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is August (17.8 days).
The months with the least rainy days are January and February (2.4 days).
Average snowfall in September
Ingrihak, AK
- Average snowfall in September: 0.12"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Ingrihak, AK
- Average snowfall days in September: 0.8 days
The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Ingrihak, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in September: 4h and 3min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in September
Ingrihak, AK
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (10.9 days).
Average UV index in September
Ingrihak, AK
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are March, November and December (UV index 1).
Average cloud cover in September
Ingrihak, AK
- Average cloud cover in September: 64
The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 54).
Average visibility in September
Ingrihak, 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, April, November and December (5mi).
Ingrihak, Alaska, USA
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