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 advent of September denotes an average high-temperature of a still chilly 44.6°F (7°C), subtly different from August's 49.1°F (9.5°C). Gambell sees a minor drop to an average minimum temperature of 42.1°F (5.6°C) during the night in the month of September.Humidity
The average relative humidity in September is 82%.Rainfall
In Gambell, Alaska, in September, it is raining for 15.9 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, in Gambell, there are 104 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1.9 snowfall days, it receives 0.2" (5mm) of snow. In Gambell, during the entire year, snow falls for 84.3 days and aggregates up to 16.5" (419mm) of snow.Daylight
The average length of the day in September is 12h and 57min.On the first day of the month, sunrise is at 8:13 am and sunset at 10:39 pm. On the last day of September, sunrise is at 9:35 am and sunset at 8:57 pm AKDT.
Sunshine
In September, the average sunshine in Gambell is 4.8h.UV index
In September, the average daily maximum UV index in Gambell is 2. A UV Index value of 2, and less, symbolizes a low threat to health 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. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
How many hours of daylight does Gambell have in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Gambell?
How high is the UV index in September in Gambell?
Average temperature in September
Gambell, AK
- Average high temperature in September: 44.6°F
The warmest month (with the highest average high temperature) is August (49.1°F).
The month with the lowest average high temperature is January (13.5°F).
- Average low temperature in September: 42.1°F
The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is February (6.6°F).
Average pressure in September
Gambell, AK
- Average pressure in September: 29.78"Hg
The month with the highest atmospheric pressure is May (29.94"Hg).
The month with the lowest atmospheric pressure is October (29.69"Hg).
Average wind speed in September
Gambell, AK
- Average wind speed in September: 16.7mph
The windiest month (with the highest average wind speed) is December (23.1mph).
The calmest month (with the lowest average wind speed) is June (12.5mph).
Average humidity in September
Gambell, AK
- Average humidity in September: 82%
The months with the highest relative humidity are January, February and March (92%).
The month with the lowest relative humidity is November (79%).
Average rainfall in September
Gambell, AK
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is June (0.94").
Average rainfall days in September
Gambell, AK
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (1 days).
Average snowfall in September
Gambell, AK
- Average snowfall in September: 0.2"
The month with the highest snowfall is April (2.76").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Gambell, AK
- Average snowfall days in September: 1.9 days
The month with the highest number of snowfall days is March (12.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Gambell, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 36min).
- Average sunshine in September: 4h and 5min
The month with the most sunshine is August (Average sunshine: 5h and 6min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in September
Gambell, AK
- Average sunshine days in September: 8.7 days
The month with the most sunshine days is June (15.4 days).
The month with the least sunshine days is December (5.8 days).
Average UV index in September
Gambell, 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 January, February, April, October, November and December (UV index 1).
Average cloud cover in September
Gambell, AK
- Average cloud cover in September: 68
The month with the most cloud cover is December (Cloud cover 84).
The month with the least cloud cover is June (Cloud cover 57).
Average visibility in September
Gambell, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are February and December (4mi).
Gambell, Alaska, USA
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