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
As September takes hold, the average high-temperature is a cool 54.1°F (12.3°C), nearly mirroring that of the previous month. Angoon in September experiences a minor decline in temperature, with an average low of 47.5°F (8.6°C) at night.Humidity
In September, the average relative humidity in Angoon is 87%.Rainfall
In Angoon, during September, the rain falls for 21.7 days and regularly aggregates up to 7.91" (201mm) of precipitation. In Angoon, during the entire year, the rain falls for 243.6 days and collects up to 82.76" (2102mm) of precipitation.Snowfall
In Angoon, Alaska, snow does not fall in June through September.Daylight
The average length of the day in September in Angoon is 12h and 45min.On the first day of the month, sunrise is at 6:01 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:33 pm AKDT.
Sunshine
The average sunshine in September is 5.9h.UV index
In Angoon, the average daily maximum UV index in September 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 ordinary person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What is the temperature in September in Angoon?
What is the average humidity in September in Angoon?
How much does it rain in Angoon in September?
When it does not snow in Angoon?
Does it snow in Angoon in September?
What is the average length of the day in September in Angoon?
When are sunrise and sunset in September in Angoon?
How many hours of sunshine does Angoon have in September?
How high is the UV index in September in Angoon?
Average temperature in September
Angoon, AK
- Average high temperature in September: 54.1°F
The warmest month (with the highest average high temperature) is August (57.9°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in September: 47.5°F
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is February (29.7°F).
Average pressure in September
Angoon, AK
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.72"Hg).
Average wind speed in September
Angoon, AK
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
Angoon, AK
- Average humidity in September: 87%
The month with the highest relative humidity is August (89%).
The months with the lowest relative humidity are February and March (83%).
Average rainfall in September
Angoon, AK
- Average rainfall in September: 7.91"
The wettest month (with the highest rainfall) is November (10.16").
The driest month (with the least rainfall) is May (3.82").
Average rainfall days in September
Angoon, AK
- Average rainfall days in September: 21.7 days
The month with the highest number of rainy days is October (23.5 days).
The month with the least rainy days is February (14.6 days).
Average snowfall in September
Angoon, AK
- Average snowfall in September: 0"
The month with the highest snowfall is March (17.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Angoon, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Angoon, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is May (Average sunshine: 6h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Angoon, AK
- Average sunshine days in September: 7.4 days
The month with the most sunshine days is May (8.8 days).
The month with the least sunshine days is June (4.8 days).
Average UV index in September
Angoon, AK
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Angoon, AK
- Average cloud cover in September: 60
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are February, May and September (Cloud cover 60).
Average visibility in September
Angoon, AK
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, September, October, November and December (6mi).
The months with the lowest visibility are January, June, July and August (5mi).
Angoon, Alaska, USA
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