September weather forecastCrown Point, AK
September
Weather in September
September, the first month of the autumn in Crown Point, is also a frosty month, with an average temperature ranging between min 36.7°F (2.6°C) and max 47.3°F (8.5°C).Temperature
With the onset of September, the average high-temperature subtly recedes from August's cool 55°F (12.8°C) to a frosty 47.3°F (8.5°C). An average low-temperature of 36.7°F (2.6°C) is common during the nights of September.Humidity
The average relative humidity in September is 86%.Rainfall
In Crown Point, in September, it is raining for 20.9 days, with typically 4.76" (121mm) of accumulated precipitation. Throughout the year, there are 182.8 rainfall days, and 46.1" (1171mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 116.2 snowfall days, and 116.38" (2956mm) of snow is accumulated.Daylight
In Crown Point, the average length of the day in September 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, sunrise is at 8:03 am and sunset at 7:30 pm AKDT.
Sunshine
The average sunshine in September in Crown Point is 5.8h.UV index
In September, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 2 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Enhance your sun protection with tightly woven, yet airy clothing. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Crown Point, 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
Crown Point, 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
Crown Point, 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
Crown Point, 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
Crown Point, 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
Crown Point, 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
Crown Point, 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
Crown Point, 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
Crown Point, AK
- Average daylight in September: 12h and 48min
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 48min
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
Crown Point, 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
Crown Point, 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
Crown Point, 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
Crown Point, 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).





