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 arrival of September corresponds with a minor reduction in the average high-temperature, down from August's refreshing 57.6°F (14.2°C) to a fresh 50.4°F (10.2°C). Nighttime temperatures in Kotlik record an average of 42.6°F (5.9°C) throughout September.Humidity
In September, the average relative humidity is 80%.Rainfall
In Kotlik, in September, it is raining for 15.9 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, in Kotlik, there are 113.9 rainfall days, and 13.46" (342mm) of precipitation is accumulated.Snowfall
Months with snowfall in Kotlik are January through May, September through December. September is the first month it typically snows in Kotlik. Throughout September, in the average 1.2 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, in Kotlik, Alaska, there are 88.6 snowfall days, and 19.76" (502mm) of snow is accumulated.Daylight
The average length of the day in September in Kotlik, Alaska, is 12h and 55min.On the first day of the month, sunrise is at 7:43 am and sunset at 10:04 pm. On the last day of September, in Kotlik, sunrise is at 9:02 am and sunset at 8:25 pm AKDT.
Sunshine
In Kotlik, Alaska, the average sunshine in September is 4.3h.UV index
In Kotlik, Alaska, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 2 in September suggests the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in September in Kotlik?
What is the average humidity in September in Kotlik?
How many days does it rain in September in Kotlik?
When does it start to snow in Kotlik?
How many hours of daylight does Kotlik have in September?
When are sunrise and sunset in September in Kotlik?
How long on average sun shines in September in Kotlik?
How high is the UV index in September in Kotlik?
Average temperature in September
Kotlik, AK
- Average high temperature in September: 50.4°F
The warmest month (with the highest average high temperature) is July (59°F).
The month with the lowest average high temperature is January (13.1°F).
- Average low temperature in September: 42.6°F
The month with the highest average low temperature is July (48.6°F).
The coldest month (with the lowest average low temperature) is January (5.9°F).
Average pressure in September
Kotlik, AK
- Average pressure in September: 29.73"Hg
The month with the highest atmospheric pressure is May (29.92"Hg).
The month with the lowest atmospheric pressure is October (29.67"Hg).
Average wind speed in September
Kotlik, AK
- Average wind speed in September: 11.9mph
The windiest month (with the highest average wind speed) is February (13.3mph).
The calmest month (with the lowest average wind speed) is May (10.1mph).
Average humidity in September
Kotlik, AK
- Average humidity in September: 80%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is June (71%).
Average rainfall in September
Kotlik, AK
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is March (0.75").
Average rainfall days in September
Kotlik, AK
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in September
Kotlik, AK
- Average snowfall in September: 0.16"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Kotlik, AK
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Kotlik, 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: 4h and 54min).
- Average sunshine in September: 4h and 2min
The month with the most sunshine is May (Average sunshine: 7h and 48min).
The months with the least sunshine are January and December (Average sunshine: 2h and 18min).
Average sunshine days in September
Kotlik, AK
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is January (15.8 days).
The month with the least sunshine days is September (9.9 days).
Average UV index in September
Kotlik, 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 January, November and December (UV index 1).
Average cloud cover in September
Kotlik, AK
- Average cloud cover in September: 67
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 53).
Average visibility in September
Kotlik, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Kotlik, Alaska, USA
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