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
In the transition to September, Kiana observes a drop in the average high-temperature, moving from a refreshing 57.9°F (14.4°C) in August to a frosty 47.3°F (8.5°C). September sees the temperature falling to a mean low of 37°F (2.8°C).Humidity
In September, the average relative humidity in Kiana is 75%.Rainfall
In Kiana, Alaska, in September, during 11.5 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, there are 85.8 rainfall days, and 12.91" (328mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 2.6 snowfall days, it receives 0.67" (17mm) of snow. Throughout the year, there are 90.6 snowfall days, and 33.58" (853mm) of snow is accumulated.Daylight
The average length of the day in September is 13h and 6min.On the first day of the month, sunrise is at 7:16 am and sunset at 10:06 pm. On the last day of September, sunrise is at 8:53 am and sunset at 8:09 pm AKDT.
Sunshine
The average sunshine in September is 6.1h.UV index
In Kiana, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during September translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow in Kiana?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Kiana have in September?
What is the UV index reading in September?
Average temperature in September
Kiana, AK
- Average high temperature in September: 47.3°F
The warmest month (with the highest average high temperature) is July (62.2°F).
The month with the lowest average high temperature is January (0.7°F).
- Average low temperature in September: 37°F
The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (-8.1°F).
Average pressure in September
Kiana, AK
- Average pressure in September: 29.78"Hg
The month with the highest atmospheric pressure is March (29.96"Hg).
The month with the lowest atmospheric pressure is September (29.78"Hg).
Average wind speed in September
Kiana, AK
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is October (8.8mph).
The calmest month (with the lowest average wind speed) is May (7.1mph).
Average humidity in September
Kiana, AK
- Average humidity in September: 75%
The months with the highest relative humidity are February and March (91%).
The month with the lowest relative humidity is June (63%).
Average rainfall in September
Kiana, AK
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Kiana, AK
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is November (1.4 days).
Average snowfall in September
Kiana, AK
- Average snowfall in September: 0.67"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Kiana, AK
- Average snowfall days in September: 2.6 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Kiana, AK
- Average daylight in September: 13h and 1min
The month with the longest days is May (Average daylight: 20h and 6min).
The month with the shortest days is June (Average daylight: 0h and 48min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is June (Average sunshine: 0h and 30min).
Average sunshine days in September
Kiana, AK
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (12.7 days).
Average UV index in September
Kiana, AK
- Average UV index in September: 2
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in September
Kiana, AK
- Average cloud cover in September: 51
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 42).
Average visibility in September
Kiana, 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 and December (4mi).
Kiana, Alaska, USA
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