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
Port Protection measures an average high-temperature of a fresh 55.2°F (12.9°C) in September, nearly consistent with the preceding month. Port Protection's nighttime temperature in September shows a minor descent, with a steady average of 52°F (11.1°C).Humidity
In Port Protection, the average relative humidity in September is 84%.Rainfall
In Port Protection, in September, it is raining for 19.4 days, with typically 6.97" (177mm) of accumulated precipitation. In Port Protection, during the entire year, the rain falls for 223.5 days and collects up to 72.17" (1833mm) of precipitation.Snowfall
In Port Protection, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 43min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:48 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:30 pm AKDT.
Sunshine
In Port Protection, the average sunshine in September is 6.7h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during September translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Port Protection have in September?
How high is the UV index in September?
Average temperature in September
Port Protection, AK
- Average high temperature in September: 55.2°F
The warmest month (with the highest average high temperature) is August (57.6°F).
The month with the lowest average high temperature is February (39.6°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (35.4°F).
Average pressure in September
Port Protection, AK
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.72"Hg).
Average wind speed in September
Port Protection, AK
- Average wind speed in September: 11.8mph
The windiest month (with the highest average wind speed) is January (17mph).
The calmest months (with the lowest average wind speed) are June and July (8.9mph).
Average humidity in September
Port Protection, AK
- Average humidity in September: 84%
The month with the highest relative humidity is August (89%).
The months with the lowest relative humidity are February and March (78%).
Average rainfall in September
Port Protection, AK
- Average rainfall in September: 6.97"
The wettest month (with the highest rainfall) is November (9.69").
The driest month (with the least rainfall) is May (3.07").
Average rainfall days in September
Port Protection, AK
- Average rainfall days in September: 19.4 days
The month with the highest number of rainy days is November (23.1 days).
The month with the least rainy days is February (14.2 days).
Average snowfall in September
Port Protection, AK
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Port Protection, AK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (8.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Port Protection, AK
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Port Protection, AK
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is May (13.6 days).
The month with the least sunshine days is November (5.3 days).
Average UV index in September
Port Protection, AK
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Port Protection, AK
- Average cloud cover in September: 55
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are May and September (Cloud cover 55).
Average visibility in September
Port Protection, 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).
Port Protection, Alaska, USA
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