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
September notes an average high-temperature of a frosty 49.1°F (9.5°C), subtly differing from August's 50.9°F (10.5°C). Saint George logs an average low-temperature of 46.9°F (8.3°C) during the nights of September, subtly lower than its daytime highs.Humidity
In September, the average relative humidity in Saint George, Alaska, is 86%.Rainfall
In Saint George, Alaska, in September, it is raining for 18.5 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 159.8 rainfall days, and 24.17" (614mm) of precipitation is accumulated.Snowfall
In Saint George, Alaska, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 43min.On the first day of September in Saint George, sunrise is at 8:23 am and sunset at 10:12 pm. On the last day of the month, sunrise is at 9:21 am and sunset at 8:54 pm AKDT.
Sunshine
In Saint George, the average sunshine in September is 4.3h.UV index
In September, the average daily maximum UV index in Saint George is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 2 translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the average September temperature in Saint George?
What is the average humidity in September in Saint George?
How many days does it rain in September in Saint George?
When it does not snow in Saint George?
Does it snow in Saint George in September?
What is the average length of the day in September in Saint George?
When is the sunrise / sunset in September in Saint George?
How many hours of sunshine does Saint George have in September?
How high is the UV index in September in Saint George?
Average temperature in September
Saint George, AK
- Average high temperature in September: 49.1°F
The warmest month (with the highest average high temperature) is August (50.9°F).
The month with the lowest average high temperature is March (31.3°F).
- Average low temperature in September: 46.9°F
The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is March (26.2°F).
Average pressure in September
Saint George, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.93"Hg).
The month with the lowest atmospheric pressure is December (29.52"Hg).
Average wind speed in September
Saint George, AK
- Average wind speed in September: 17.5mph
The windiest month (with the highest average wind speed) is November (22.1mph).
The calmest month (with the lowest average wind speed) is July (12.7mph).
Average humidity in September
Saint George, AK
- Average humidity in September: 86%
The month with the highest relative humidity is July (93%).
The months with the lowest relative humidity are November and December (77%).
Average rainfall in September
Saint George, AK
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is November (2.95").
The driest month (with the least rainfall) is June (1.02").
Average rainfall days in September
Saint George, AK
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is October (22 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Saint George, AK
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Saint George, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint George, AK
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in September: 4h and 2min
The month with the most sunshine is June (Average sunshine: 5h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Saint George, AK
- Average sunshine days in September: 7.1 days
The months with the most sunshine days are May and June (11.8 days).
The month with the least sunshine days is December (3.1 days).
Average UV index in September
Saint George, AK
- Average UV index in September: 2
The months with the highest UV index are July and August (UV index 3).
The months with the lowest UV index are February, March, April, November and December (UV index 1).
Average cloud cover in September
Saint George, AK
- Average cloud cover in September: 70
The month with the most cloud cover is July (Cloud cover 79).
The month with the least cloud cover is June (Cloud cover 69).
Average visibility in September
Saint George, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, August, September and October (6mi).
The month with the lowest visibility is January (4mi).
Saint George, Alaska, USA
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