September weather forecastLa Quinta, CA
September
Weather in September
September ushers in the welcome promise of a gradual withdrawal from the scorching summer in La Quinta. This shift is indicated by the drop in average high temperatures to 87.1°F (30.6°C), marking a 6.8-degree fall from the preceding month. Meanwhile, the humidity levels show an uptick when compared with August, signifying an increase in atmospheric moisture. A discernible reduction in daylight hours signals an incipient seasonal transition. Coupled with these conditions, September’s weather sets the stage for the impending pleasant fall season.Temperature
The shift from August to September in La Quinta includes a minor decrease in the average high-temperature, lightly dropping from 93.9°F (34.4°C) to a still tropical 87.1°F (30.6°C). The month of September records an average low-temperature of 68.2°F (20.1°C) in La Quinta.Humidity
The average relative humidity in September in La Quinta is 32%.Rainfall
In La Quinta, California, during September, the rain falls for 6 days and regularly aggregates up to 0.55" (14mm) of precipitation. In La Quinta, California, during the entire year, the rain falls for 51.6 days and collects up to 6.06" (154mm) of precipitation.Daylight
In La Quinta, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of September, in La Quinta, California, sunrise is at 6:39 am and sunset at 6:30 pm PDT.
Sunshine
In La Quinta, the average sunshine in September is 10.5h.UV index
The average daily maximum UV index in September in La Quinta is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in September
La Quinta, CA
- Average pressure in September: 29.84"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
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).
Average humidity in September
La Quinta, CA
- Average humidity in September: 32%
The month with the highest relative humidity is December (47%).
The months with the lowest relative humidity are June, July and August (29%).
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").
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).
Average daylight in September /
Average sunshine in September
La Quinta, 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: 10h and 0min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
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).
Average UV index in September
La Quinta, CA
- Average UV index in September: 6
The 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).
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).
Average visibility in September
La Quinta, 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).
