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 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 records an average high-temperature of a still warm 79.7°F (26.5°C), a near match to August's 80.2°F (26.8°C). The nighttime temperature dips to a refreshing 64.2°F (17.9°C) on average during September.Humidity
In West Athens, the average relative humidity in September is 62%.Rainfall
In West Athens, California, in September, during 3.2 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. In West Athens, during the entire year, the rain falls for 47.6 days and collects up to 7.24" (184mm) of precipitation.Daylight
In West Athens, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:27 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:38 pm PDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 6 in September transforms into this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September in West Athens?
How many days does it rain in September?
How many hours of daylight does West Athens have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does West Athens have in September?
What are the months with the highest UV index?
How high is the UV index in September?
Average temperature in September
West Athens, CA
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (51.1°F).
Average pressure in September
West Athens, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
West Athens, CA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).
Average humidity in September
West Athens, CA
- Average humidity in September: 62%
The month with the highest relative humidity is June (70%).
The month with the lowest relative humidity is November (54%).
Average rainfall in September
West Athens, CA
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is January (1.42").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
West Athens, CA
- Average rainfall days in September: 3.2 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.7 days).
Average daylight in September /
Average sunshine in September
West Athens, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
West Athens, CA
- Average sunshine days in September: 23.4 days
The month with the most sunshine days is October (25.5 days).
The month with the least sunshine days is June (21.4 days).
Average UV index in September
West Athens, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in September
West Athens, CA
- Average cloud cover in September: 11
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
West Athens, CA
- 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).
West Athens, California, USA
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