September weather forecastPalo Verde, CA
September
Weather in September
The first month of the autumn, September, is also a sweltering month in Palo Verde, California, with an average temperature fluctuating between 97.7°F (36.5°C) and 79.9°F (26.6°C).Temperature
Palo Verde's transition into September involves a gentle shift in temperature, receding from a scorching 104.2°F (40.1°C) in August to a sweltering 97.7°F (36.5°C). During the month of September, Palo Verde experiences a steady low-temperature average of 79.9°F (26.6°C).Humidity
In Palo Verde, the average relative humidity in September is 25%.Rainfall
In Palo Verde, in September, it is raining for 4.1 days, with typically 0.31" (8mm) of accumulated precipitation. Throughout the year, there are 34.2 rainfall days, and 2.99" (76mm) of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:13 am and sunset at 7:03 pm. On the last day of September, sunrise is at 6:33 am and sunset at 6:24 pm PDT.
Sunshine
In Palo Verde, the average sunshine in September is 10.1h.UV index
In Palo Verde, the average daily maximum UV index in September is 8. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 8 in September translates into these instructions:
Never neglect to protect yourself. Eyes and skin can suffer swift damage. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Palo Verde, CA
- Average high temperature in September: 97.7°F
The warmest month (with the highest average high temperature) is July (105.1°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in September: 79.9°F
The month with the highest average low temperature is August (86.2°F).
The coldest month (with the lowest average low temperature) is December (48.2°F).
Average pressure in September
Palo Verde, CA
- Average pressure in September: 29.79"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in September
Palo Verde, CA
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is November (6.4mph).
Average humidity in September
Palo Verde, CA
- Average humidity in September: 25%
The months with the highest relative humidity are January and December (38%).
The month with the lowest relative humidity is June (18%).
Average rainfall in September
Palo Verde, CA
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is July (0.55").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days in September
Palo Verde, CA
- Average rainfall days in September: 4.1 days
The month with the highest number of rainy days is July (7.3 days).
The month with the least rainy days is May (1.2 days).
Average daylight in September /
Average sunshine in September
Palo Verde, CA
- Average daylight in September: 12h and 24min
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 6min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 12min).
Average sunshine days in September
Palo Verde, CA
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (19.1 days).
Average UV index in September
Palo Verde, CA
- Average UV index in September: 8
The months with the highest UV index are July and August (UV index 9).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Palo Verde, CA
- Average cloud cover in September: 8
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Palo Verde, 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).
