September weather forecast and climate
Valle de los Caballos, CA

Weather in September

September, the first month of the autumn, in Valle de los Caballos, is also a moderately hot month, with average temperature ranging between min 60.4°F (15.8°C) and max 85.1°F (29.5°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a warm 85.1°F (29.5°C). In September, the average low-temperature is 60.4°F (15.8°C).

Heat index

In September, the average heat index is estimated at a tropical 87.6°F (30.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, clothing, wind, and differences in body mass, height, and shape affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Valle de los Caballos, California, the average relative humidity is 54%.

Rainfall

In Valle de los Caballos, it is raining for 4.1 days, with typically 0.28" (7mm) of accumulated precipitation. Throughout the year, there are 60.6 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Daylight

In Valle de los Caballos, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in Valle de los Caballos is 10.5h.

UV index

The average daily maximum UV index in Valle de los Caballos is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Valle de los Caballos?

The average high-temperature, in September, in Valle de los Caballos, California, is 85.1°F (29.5°C), while the average low-temperature is 60.4°F (15.8°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that combines both air temperature and relative humidity, is estimated at 87.6°F (30.9°C).

What is the average humidity in September in Valle de los Caballos?

The average relative humidity in September in Valle de los Caballos, California, is 54%.

How many days does it rain in September in Valle de los Caballos?

In September, in Valle de los Caballos, the rain falls for 4.1 days. Throughout September, 0.28" (7mm) of precipitation is accumulated.

How many hours of daylight does Valle de los Caballos have in September?

In Valle de los Caballos, the average length of the day in September is 12.4h.

How many hours of sunshine does Valle de los Caballos have in September?

The average sunshine in September is 10.5h.

How high is the UV index in September in Valle de los Caballos?

The average daily maximum UV index in September in Valle de los Caballos, California, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in September
Valle de los Caballos, CA

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).

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Average pressure in September
Valle de los Caballos, CA

Average pressure in September - Valle de los Caballos, CA
  • Average pressure in September: 29.87"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in September
Valle de los Caballos, CA

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).

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Average humidity in September
Valle de los Caballos, CA

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%).

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Average rainfall in September
Valle de los Caballos, CA

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").

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Average rainfall days in September
Valle de los Caballos, CA

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).

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Average daylight in September /
Average sunshine in September
Valle de los Caballos, CA

Average daylight in September / Average sunshine in September - Valle de los Caballos, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 10.5h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.5h).

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Average sunshine days in September
Valle de los Caballos, CA

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).

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Average UV index in September
Valle de los Caballos, CA

Average UV index in September - Valle de los Caballos, CA
  • Average UV index in September: 5

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).

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Average cloud cover in September
Valle de los Caballos, CA

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).

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Average visibility in September
Valle de los Caballos, CA

Average visibility in September - Valle de los Caballos, CA
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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