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
The average high-temperature decreases in September, shifting from a moderate 60.4°F (15.8°C) in August to a fresh 50.9°F (10.5°C). Holikachuk in September experiences a low-temperature average of 38.3°F (3.5°C).Humidity
The average relative humidity in September is 82%.Rainfall
In September, the rain falls for 15.5 days. Throughout September, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 122.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Holikachuk. September is the first month it typically snows. Throughout September, in the average 1.3 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, in Holikachuk, there are 111.6 snowfall days, and 51.93" (1319mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 55min.On the first day of the month, sunrise is at 7:27 am and sunset at 9:48 pm. On the last day of September, in Holikachuk, Alaska, sunrise is at 8:46 am and sunset at 8:09 pm AKDT.
Sunshine
In September, the average sunshine is 5h.UV index
In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during September leads to these advisories:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of 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 to snow?
What is the average length of the day in September in Holikachuk?
What time are sunrise and sunset in September?
How many hours of sunshine does Holikachuk have in September?
How high is the UV index in September?
Average temperature in September
Holikachuk, AK
- Average high temperature in September: 50.9°F
The warmest month (with the highest average high temperature) is July (64.9°F).
The month with the lowest average high temperature is January (6.4°F).
- Average low temperature in September: 38.3°F
The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (-3.1°F).
Average pressure in September
Holikachuk, AK
- Average pressure in September: 29.73"Hg
The month with the highest atmospheric pressure is July (29.91"Hg).
The month with the lowest atmospheric pressure is October (29.7"Hg).
Average wind speed in September
Holikachuk, AK
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in September
Holikachuk, AK
- Average humidity in September: 82%
The months with the highest relative humidity are January, February, March and December (95%).
The month with the lowest relative humidity is June (63%).
Average rainfall in September
Holikachuk, AK
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is March (0.94").
Average rainfall days in September
Holikachuk, AK
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is August (20.8 days).
The months with the least rainy days are February and December (3 days).
Average snowfall in September
Holikachuk, AK
- Average snowfall in September: 0.35"
The month with the highest snowfall is February (10.24").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Holikachuk, AK
- Average snowfall days in September: 1.3 days
The month with the highest number of snowfall days is March (18.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Holikachuk, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 5h and 0min).
- Average sunshine in September: 5h and 0min
The month with the most sunshine is June (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Holikachuk, AK
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is January (16.5 days).
The month with the least sunshine days is August (8.1 days).
Average UV index in September
Holikachuk, AK
- Average UV index in September: 2
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Holikachuk, AK
- Average cloud cover in September: 61
The month with the most cloud cover is April (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in September
Holikachuk, AK
- Average visibility in September: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are February, March, April and December (3mi).
Holikachuk, Alaska, USA
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