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 transition into September involves a small decrease in the average high-temperature, dipping slightly from a cool 55°F (12.8°C) in August to a frosty 47.3°F (8.5°C). Moose Pass experiences an average nighttime temperature of 36.7°F (2.6°C) in the month of September.Humidity
In Moose Pass, Alaska, the average relative humidity in September is 86%.Rainfall
In Moose Pass, in September, during 20.9 rainfall days, 4.76" (121mm) of precipitation is typically accumulated. In Moose Pass, during the entire year, the rain falls for 182.8 days and collects up to 46.1" (1171mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Moose Pass. September is the first month it typically snows in Moose Pass. Throughout September, in the average 0.3 snowfall days, it receives 0.28" (7mm) of snow. In Moose Pass, during the entire year, snow falls for 116.2 days and aggregates up to 116.38" (2956mm) of snow.Daylight
The average length of the day in September in Moose Pass, Alaska, is 12h and 50min.On the first day of the month, sunrise is at 6:53 am and sunset at 9:00 pm. On the last day of September, in Moose Pass, sunrise is at 8:03 am and sunset at 7:30 pm AKDT.
Sunshine
The average sunshine in September in Moose Pass is 5.8h.UV index
In September, the average daily maximum UV index in Moose Pass is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 in September translates into these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in September in Moose Pass?
What is the average humidity in September in Moose Pass?
How many days does it rain in September in Moose Pass?
When does it start snowing in Moose Pass?
What is the average length of the day in September in Moose Pass?
When are sunrise and sunset in September in Moose Pass?
How long on average sun shines in September in Moose Pass?
How high is the UV index in September in Moose Pass?
Average temperature in September
Moose Pass, AK
- Average high temperature in September: 47.3°F
The warmest month (with the highest average high temperature) is July (58.6°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in September: 36.7°F
The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in September
Moose Pass, AK
- Average pressure in September: 29.74"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.62"Hg).
Average wind speed in September
Moose Pass, AK
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is November (6mph).
The calmest month (with the lowest average wind speed) is June (4.4mph).
Average humidity in September
Moose Pass, AK
- Average humidity in September: 86%
The months with the highest relative humidity are March and December (92%).
The month with the lowest relative humidity is June (78%).
Average rainfall in September
Moose Pass, AK
- Average rainfall in September: 4.76"
The wettest month (with the highest rainfall) is December (6.02").
The driest month (with the least rainfall) is June (2.2").
Average rainfall days in September
Moose Pass, AK
- Average rainfall days in September: 20.9 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Moose Pass, AK
- Average snowfall in September: 0.28"
The month with the highest snowfall is December (24.06").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Moose Pass, AK
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (20.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Moose Pass, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 5h and 5min
The months with the most sunshine are May and July (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Moose Pass, AK
- Average sunshine days in September: 7 days
The month with the most sunshine days is January (9.9 days).
The month with the least sunshine days is September (7 days).
Average UV index in September
Moose Pass, AK
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Moose Pass, AK
- Average cloud cover in September: 59
The month with the most cloud cover is April (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 54).
Average visibility in September
Moose Pass, AK
- Average visibility in September: 5mi
The month with the highest visibility is June (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Moose Pass, Alaska, USA
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