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's onset introduces a mild reduction in the average high-temperature, from an enjoyable 61.5°F (16.4°C) in August to a fresh 53.4°F (11.9°C). Point MacKenzie records an average nighttime low-temperature of 42.1°F (5.6°C) throughout September.Humidity
The average relative humidity in September is 77%.Rainfall
September is the month with the most rainfall. Rain falls for 15.1 days and accumulates 1.77" (45mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 56.8 snowfall days, and 22.48" (571mm) of snow is accumulated.Daylight
In Point MacKenzie, the average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 6:53 am and sunset at 9:05 pm. On the last day of September, sunrise is at 8:06 am and sunset at 7:32 pm AKDT.
Sunshine
The average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in September translates into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the rainiest month?
How much does it rain in September?
When does it start snowing?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Point MacKenzie have in September?
What is the UV index reading in September?
Average temperature in September
Point MacKenzie, AK
- Average high temperature in September: 53.4°F
The warmest month (with the highest average high temperature) is July (64.8°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in September: 42.1°F
The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in September
Point MacKenzie, AK
- Average pressure in September: 29.75"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.68"Hg).
Average wind speed in September
Point MacKenzie, AK
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is November (4.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in September
Point MacKenzie, AK
- Average humidity in September: 77%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is May (64%).
Average rainfall in September
Point MacKenzie, AK
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is September (1.77").
The driest months (with the least rainfall) are April and May (0.59").
Average rainfall days in September
Point MacKenzie, AK
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is August (17.4 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in September
Point MacKenzie, AK
- Average snowfall in September: 0.16"
The month with the highest snowfall is December (5.67").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Point MacKenzie, AK
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Point MacKenzie, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is May (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Point MacKenzie, AK
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is January (17 days).
The month with the least sunshine days is August (11.6 days).
Average UV index in September
Point MacKenzie, AK
- Average UV index in September: 2
The months with the highest UV index are May, June and July (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Point MacKenzie, AK
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is May (Cloud cover 38).
Average visibility in September
Point MacKenzie, AK
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Point MacKenzie, Alaska, USA
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