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 sea temperature 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's arrival in Kenai comes with a mild decrease in the average high-temperature, moving subtly from a mild 59.7°F (15.4°C) in August to a fresh 53.1°F (11.7°C). Throughout September, Kenai reports a steady low-temperature average of 45.7°F (7.6°C), slightly lower than its daytime counterpart.Humidity
In Kenai, Alaska, the average relative humidity in September is 80%.Rainfall
In Kenai, in September, it is raining for 16.6 days, with typically 2.72" (69mm) of accumulated precipitation. In Kenai, during the entire year, the rain falls for 136.3 days and collects up to 19.49" (495mm) of precipitation.Snowfall
January through April, September through December are months with snowfall in Kenai. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow. In Kenai, Alaska, during the entire year, snow falls for 62.1 days and aggregates up to 30.71" (780mm) of snow.Ocean temperature
In September, the average ocean temperature is 52.3°F (11.3°C).Note: Swimming in 52.3°F (11.3°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In September, the average length of the day is 12h and 50min.On the first day of the month, sunrise is at 7:01 am and sunset at 9:08 pm. On the last day of September, in Kenai, Alaska, sunrise is at 8:10 am and sunset at 7:38 pm AKDT.
Sunshine
In September, the average sunshine is 6.2h.UV index
In Kenai, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Adopt protective measures - It is advised to guard against sun damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are September temperatures in Kenai?
What is the average humidity in September in Kenai?
How much does it rain in Kenai in September?
When does it start to snow in Kenai?
How cold is the water in September in Kenai?
How many hours of daylight does Kenai have in September?
What time are sunrise and sunset in September in Kenai?
How many hours of sunshine does Kenai have in September?
How high is the UV index in September in Kenai?
Average temperature in September
Kenai, AK
- Average high temperature in September: 53.1°F
The warmest month (with the highest average high temperature) is July (61.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in September: 45.7°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Kenai, AK
- Average pressure in September: 29.73"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).
Average wind speed in September
Kenai, AK
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is December (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Kenai, AK
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Kenai, AK
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is June (0.91").
Average rainfall days in September
Kenai, AK
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in September
Kenai, AK
- Average snowfall in September: 0.2"
The month with the highest snowfall is December (8.74").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Kenai, AK
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average sea temperature in September
Kenai, AK
- Average sea temperature in September: 52.3°F
The best month for swimming (with the highest average sea temperature) is August (53.4°F).
The coldest month (with the lowest average sea temperature) is February (34.2°F).
Average daylight in September /
Average sunshine in September
Kenai, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Kenai, AK
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is June (16.6 days).
The month with the least sunshine days is September (11.5 days).
Average UV index in September
Kenai, AK
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Kenai, AK
- Average cloud cover in September: 51
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 44).
Average visibility in September
Kenai, AK
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Kenai, Alaska, USA
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