September weather forecastCasitas Springs, CA
September
Weather in September
The first month of the autumn, September, is still a warm month in Casitas Springs, California, with an average temperature ranging between min 60.8°F (16°C) and max 77.9°F (25.5°C).Temperature
The arrival of September records an average high-temperature of a still warm 77.9°F (25.5°C), closely related to the 79°F (26.1°C) observed in August. An average low-temperature of 60.8°F (16°C) is noted during the nights in September.Humidity
The average relative humidity in September is 53%.Rainfall
In Casitas Springs, during September, the rain falls for 2.3 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Casitas Springs, during the entire year, the rain falls for 49.6 days and collects up to 7.68" (195mm) of precipitation.Daylight
In Casitas Springs, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:31 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:42 pm PDT.
Sunshine
In September, the average sunshine is 11h.UV index
In September, the average daily maximum UV index in Casitas Springs is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Casitas Springs, CA
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is August (79°F).
The month with the lowest average high temperature is December (58.8°F).
- Average low temperature in September: 60.8°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).
Average pressure in September
Casitas Springs, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in September
Casitas Springs, CA
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Casitas Springs, CA
- Average humidity in September: 53%
The month with the highest relative humidity is March (63%).
The months with the lowest relative humidity are October and November (52%).
Average rainfall in September
Casitas Springs, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is August (0.08").
Average rainfall days in September
Casitas Springs, CA
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is August (1.3 days).
Average daylight in September /
Average sunshine in September
Casitas Springs, CA
- Average daylight in September: 12h and 24min
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: 11h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in September
Casitas Springs, CA
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is October (25.7 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in September
Casitas Springs, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in September
Casitas Springs, CA
- Average cloud cover in September: 6
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Casitas Springs, 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).
