September weather forecast and climate
La Quinta, CA

The old town of La Quinta, California, at the base of the vast Santa Rosa Mountains
The old town of La Quinta, California, at the base of the vast Santa Rosa Mountains

Weather in September

The first month of the autumn, September, is also a hot month in La Quinta, California, with average temperature ranging between min 68.2°F (20.1°C) and max 87.1°F (30.6°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 93.9°F (34.4°C) in August, to a still tropical 87.1°F (30.6°C). In La Quinta, the average low-temperature is 68.2°F (20.1°C).

Humidity

The average relative humidity in La Quinta, California, is 32%.

Rainfall

In La Quinta, during 6 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 51.6 rainfall days, and 6.06" (154mm) of precipitation is accumulated.

Daylight

In La Quinta, the average length of the day is 12.4h.

Sunshine

In La Quinta, the average sunshine is 10.5h.

UV index

The average daily maximum UV index in La Quinta is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 La Quinta?

The average high-temperature, in September, in La Quinta, California, is 87.1°F (30.6°C), while the average low-temperature is 68.2°F (20.1°C).

What is the average humidity in September in La Quinta?

In September, the average relative humidity in La Quinta is 32%.

How many days does it rain in September in La Quinta?

In La Quinta, during September, the rain falls for 6 days and regularly aggregates up to 0.55" (14mm) of precipitation.

How many hours of daylight does La Quinta have in September?

In La Quinta, California, the average length of the day in September is 12.4h.

How long on average sun shines in September in La Quinta?

In September, the average sunshine in La Quinta, California, is 10.5h.

What is the UV index reading in September in La Quinta?

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
La Quinta, CA

Average temperature in September - La Quinta, CA
  • Average high temperature in September: 87.1°F

The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (58.1°F).

  • Average low temperature in September: 68.2°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).

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Average pressure in September
La Quinta, CA

Average pressure in September - La Quinta, CA
  • Average pressure in September: 29.84"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.8").

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Average wind speed in September
La Quinta, CA

Average wind speed in September - La Quinta, CA
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).

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Average humidity in September
La Quinta, CA

Average humidity in September - La Quinta, CA
  • Average humidity in September: 32%

The month with the highest relative humidity is December (47%).
Months with the lowest relative humidity are June, July and August (29%).

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Average rainfall in September
La Quinta, CA

Average rainfall in September - La Quinta, CA
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is May (0.12").

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Average rainfall days in September
La Quinta, CA

Average rainfall days in September - La Quinta, CA
  • Average rainfall days in September: 6 days

The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is June (1.8 days).

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Average daylight in September /
Average sunshine in September
La Quinta, CA

Average daylight in September / Average sunshine in September - La Quinta, 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 June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in September
La Quinta, CA

Average sunshine days in September - La Quinta, CA
  • Average sunshine days in September: 22.3 days

The month with the most sunshine days is October (27.5 days).
The month with the least sunshine days is July (18.3 days).

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Average UV index in September
La Quinta, CA

Average UV index in September - La Quinta, CA
  • Average UV index in September: 6

Months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
La Quinta, CA

Average cloud cover in September - La Quinta, CA
  • Average cloud cover in September: 6

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
La Quinta, CA

Average visibility in September - La Quinta, 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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