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
Transitioning into September, False Pass experiences an average high-temperature of a still fresh 50.7°F (10.4°C), marking a minor shift from the preceding month. Nighttime temperature in False Pass reflects an average dip to a chilly 47.3°F (8.5°C) in September, subtly cooler than its daytime highs.Humidity
In False Pass, the average relative humidity in September is 85%.Rainfall
The wettest months in False Pass are September and December, with an average 3.78" (96mm) of rainfall.Snowfall
June through September are months without snowfall in False Pass.Daylight
The average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 8:02 am and sunset at 9:44 pm. On the last day of the month, sunrise is at 8:56 am and sunset at 8:30 pm AKDT.
Sunshine
In False Pass, the average sunshine in September is 4.8h.UV index
In September, the average daily maximum UV index in False Pass is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during September translates into the following guidance:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the temperature in September in False Pass?
What is the average humidity in September in False Pass?
What is the rainiest month in False Pass?
How many days does it rain in September in False Pass?
When it does not snow in False Pass?
Does it snow in False Pass in September?
What is the average length of the day in September in False Pass?
What time are sunrise and sunset in September in False Pass?
How long on average sun shines in September in False Pass?
What is the UV index intensity in September in False Pass?
Average temperature in September
False Pass, AK
- Average high temperature in September: 50.7°F
The warmest month (with the highest average high temperature) is August (53.4°F).
The month with the lowest average high temperature is March (34.7°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is March (29.8°F).
Average pressure in September
False Pass, AK
- Average pressure in September: 29.77"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is January (29.51"Hg).
Average wind speed in September
False Pass, AK
- Average wind speed in September: 14.2mph
The windiest month (with the highest average wind speed) is December (17.6mph).
The calmest month (with the lowest average wind speed) is July (10.3mph).
Average humidity in September
False Pass, AK
- Average humidity in September: 85%
The month with the highest relative humidity is July (91%).
The months with the lowest relative humidity are March, November and December (79%).
Average rainfall in September
False Pass, AK
- Average rainfall in September: 3.78"
The wettest months (with the highest rainfall) are September and December (3.78").
The driest month (with the least rainfall) is March (1.97").
Average rainfall days in September
False Pass, AK
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is October (19.7 days).
The month with the least rainy days is March (11.7 days).
Average snowfall in September
False Pass, AK
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
False Pass, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
False Pass, AK
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 4h and 5min
The months with the most sunshine are May and June (Average sunshine: 6h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in September
False Pass, AK
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is June (13.6 days).
The month with the least sunshine days is October (6.5 days).
Average UV index in September
False Pass, AK
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are March and December (UV index 1).
Average cloud cover in September
False Pass, AK
- Average cloud cover in September: 62
The month with the most cloud cover is July (Cloud cover 71).
The month with the least cloud cover is March (Cloud cover 60).
Average visibility in September
False Pass, AK
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
False Pass, Alaska, USA
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