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
On the advent of September, Platinum's average high-temperature exhibits a minor adjustment to a still fresh 50.9°F (10.5°C) from August's 53.6°F (12°C). September in Platinum witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 48.2°F (9°C).Humidity
In September, the average relative humidity is 82%.Rainfall
In Platinum, during September, the rain falls for 20.2 days and regularly aggregates up to 3.43" (87mm) of precipitation. In Platinum, during the entire year, the rain falls for 138.3 days and collects up to 25.71" (653mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Platinum, during the entire year, snow falls for 71.1 days and aggregates up to 21.65" (550mm) of snow.Daylight
In September, the average length of the day is 12h and 47min.On the first day of the month, sunrise is at 7:47 am and sunset at 9:46 pm. On the last day of September, sunrise is at 8:52 am and sunset at 8:21 pm AKDT.
Sunshine
In Platinum, the average sunshine in September is 4.7h.UV index
The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 2 leads to the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. It's recommended to limit sun exposure when its radiation is at its peak during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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?
How much does it rain in September?
When does it start snowing?
How many hours of daylight does Platinum have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Platinum have in September?
What is the UV index reading in September?
Average temperature in September
Platinum, AK
- Average high temperature in September: 50.9°F
The warmest month (with the highest average high temperature) is August (53.6°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in September: 48.2°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is March (19.8°F).
Average pressure in September
Platinum, AK
- Average pressure in September: 29.71"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.56"Hg).
Average wind speed in September
Platinum, AK
- Average wind speed in September: 17.3mph
The windiest month (with the highest average wind speed) is December (21.6mph).
The calmest month (with the lowest average wind speed) is July (12.2mph).
Average humidity in September
Platinum, AK
- Average humidity in September: 82%
The months with the highest relative humidity are January and July (88%).
The month with the lowest relative humidity is October (79%).
Average rainfall in September
Platinum, AK
- Average rainfall in September: 3.43"
The wettest month (with the highest rainfall) is October (3.7").
The driest months (with the least rainfall) are May and June (0.94").
Average rainfall days in September
Platinum, AK
- Average rainfall days in September: 20.2 days
The month with the highest number of rainy days is September (20.2 days).
The month with the least rainy days is March (4.4 days).
Average snowfall in September
Platinum, AK
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (4.65").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Platinum, AK
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (11.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Platinum, AK
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 4h and 4min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The months with the least sunshine are November and December (Average sunshine: 2h and 18min).
Average sunshine days in September
Platinum, AK
- Average sunshine days in September: 7 days
The month with the most sunshine days is May (15.8 days).
The month with the least sunshine days is September (7 days).
Average UV index in September
Platinum, 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 February, March, November and December (UV index 1).
Average cloud cover in September
Platinum, AK
- Average cloud cover in September: 64
The months with the most cloud cover are February and December (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 54).
Average visibility in September
Platinum, AK
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Platinum, Alaska, USA
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