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
As September takes hold, the average high-temperature is a warm 85.1°F (29.5°C), nearly mirroring that of the previous month. A striking departure from daytime highs to an average low-temperature of 60.4°F (15.8°C) is witnessed during September.Heat index
Throughout September, the heat index is appraised at a hot 87.8°F (31°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in September is 54%.Rainfall
In Valle de los Caballos, in September, it is raining for 4.1 days, with typically 0.28" (7mm) of accumulated precipitation. In Valle de los Caballos, during the entire year, the rain falls for 60.6 days and collects up to 9.37" (238mm) of precipitation.Daylight
In Valle de los Caballos, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:33 pm PDT.
Sunshine
The average sunshine in September is 10.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Act with care - The need to guard against sun damage is communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Valle de los Caballos have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Valle de los Caballos have in September?
How high is the UV index in September?
Average temperature in September
Valle de los Caballos, CA
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in September
Valle de los Caballos, CA
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Valle de los Caballos, CA
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in September
Valle de los Caballos, CA
- Average humidity in September: 54%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in September
Valle de los Caballos, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Valle de los Caballos, CA
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).
Average daylight in September /
Average sunshine in September
Valle de los Caballos, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Valle de los Caballos, CA
- Average sunshine days in September: 24 days
The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in September
Valle de los Caballos, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Valle de los Caballos, CA
- Average cloud cover in September: 10
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Valle de los Caballos, 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).
Valle de los Caballos, California, USA
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