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 onset of September comes with a shift in the average high-temperature, falling from a moderate 57.6°F (14.2°C) in August to a frosty 47.1°F (8.4°C). An average low-temperature of 34°F (1.1°C) marks the nights in Suntrana throughout September.Humidity
In September, the average relative humidity is 80%.Rainfall
In September, in Suntrana, the rain falls for 12.7 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. In Suntrana, during the entire year, the rain falls for 106.3 days and collects up to 14.49" (368mm) of precipitation.Snowfall
January through May, August through December are months with snowfall in Suntrana. In September, it is snowing for 2.8 days. Throughout September, 1.73" (44mm) of snow is accumulated. In Suntrana, during the entire year, snow falls for 93.4 days and aggregates up to 35.94" (913mm) of snow.Daylight
In September, the average length of the day in Suntrana is 12h and 58min.On the first day of September in Suntrana, sunrise is at 6:41 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 7:26 pm AKDT.
Sunshine
In September, the average sunshine in Suntrana, Alaska, is 7.4h.UV index
The average daily maximum UV index in September in Suntrana is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 in September translates into these instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. When the Sun is at its strongest around midday, find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Suntrana in September?
What is the average humidity in September in Suntrana?
How much does it rain in Suntrana in September?
How many days does it snow in September in Suntrana?
What is the average length of the day in September in Suntrana?
When is the sunrise / sunset in September in Suntrana?
How many hours of sunshine does Suntrana have in September?
What is the UV index intensity in September in Suntrana?
Average temperature in September
Suntrana, AK
- Average high temperature in September: 47.1°F
The warmest month (with the highest average high temperature) is July (62.8°F).
The month with the lowest average high temperature is January (4.6°F).
- Average low temperature in September: 34°F
The month with the highest average low temperature is July (45.3°F).
The coldest month (with the lowest average low temperature) is January (-6.3°F).
Average pressure in September
Suntrana, AK
- Average pressure in September: 29.76"Hg
The month with the highest atmospheric pressure is February (29.93"Hg).
The month with the lowest atmospheric pressure is September (29.76"Hg).
Average wind speed in September
Suntrana, AK
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is May (5.5mph).
The calmest months (with the lowest average wind speed) are March and November (4.6mph).
Average humidity in September
Suntrana, AK
- Average humidity in September: 80%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (64%).
Average rainfall in September
Suntrana, AK
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Suntrana, AK
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (19.6 days).
The months with the least rainy days are February and December (1.5 days).
Average snowfall in September
Suntrana, AK
- Average snowfall in September: 1.73"
The month with the highest snowfall is March (6.89").
The months with the least snowfall are June and July (0").
Average snowfall days in September
Suntrana, AK
- Average snowfall days in September: 2.8 days
The month with the highest number of snowfall days is March (17.4 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Suntrana, AK
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in September
Suntrana, AK
- Average sunshine days in September: 13 days
The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in September
Suntrana, AK
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Suntrana, AK
- Average cloud cover in September: 49
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is May (Cloud cover 42).
Average visibility in September
Suntrana, AK
- Average visibility in September: 5mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January and March (3mi).
Suntrana, Alaska, USA
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