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 brings an average high-temperature of a still refreshing 55.6°F (13.1°C), subtly diverging from August's 59.7°F (15.4°C). The month of September is marked by an average minimum temperature of 50.5°F (10.3°C), slightly cooler than its daytime counterpart.Humidity
In September, the average relative humidity is 86%.Rainfall
In Kasaan, during September, the rain falls for 20.2 days and regularly aggregates up to 7.24" (184mm) of precipitation. Throughout the year, there are 219.6 rainfall days, and 79.29" (2014mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September in Kasaan is 12h and 42min.On the first day of the month, sunrise is at 5:56 am and sunset at 7:41 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:26 pm AKDT.
Sunshine
The average sunshine in September in Kasaan is 6.5h.UV index
The average daily maximum UV index in September in Kasaan is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Take precautions - Protection against sun damage is advised. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What is the temperature in September in Kasaan?
What is the average humidity in September in Kasaan?
How much does it rain in Kasaan in September?
When it does not snow in Kasaan?
How many hours of daylight does Kasaan have in September?
When is the sunrise / sunset in September in Kasaan?
How many hours of sunshine does Kasaan have in September?
What is the UV index reading in September in Kasaan?
Average temperature in September
Kasaan, AK
- Average high temperature in September: 55.6°F
The warmest month (with the highest average high temperature) is August (59.7°F).
The month with the lowest average high temperature is December (38.1°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is February (33.3°F).
Average pressure in September
Kasaan, AK
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is July (30.06"Hg).
The month with the lowest atmospheric pressure is November (29.79"Hg).
Average wind speed in September
Kasaan, AK
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in September
Kasaan, AK
- Average humidity in September: 86%
The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is March (80%).
Average rainfall in September
Kasaan, AK
- Average rainfall in September: 7.24"
The wettest month (with the highest rainfall) is November (9.29").
The driest month (with the least rainfall) is May (2.91").
Average rainfall days in September
Kasaan, AK
- Average rainfall days in September: 20.2 days
The month with the highest number of rainy days is October (21.4 days).
The month with the least rainy days is February (13.8 days).
Average snowfall in September
Kasaan, AK
- Average snowfall in September: 0"
The month with the highest snowfall is March (10.94").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Kasaan, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kasaan, AK
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is May (Average sunshine: 7h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Kasaan, AK
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is May (13.6 days).
The month with the least sunshine days is November (5.8 days).
Average UV index in September
Kasaan, AK
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Kasaan, AK
- Average cloud cover in September: 54
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are May and September (Cloud cover 54).
Average visibility in September
Kasaan, AK
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Kasaan, Alaska, USA
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