September weather forecast
Palo Verde, CA

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Weather in September

The first month of the autumn, September, is still a torrid month in Palo Verde, California, with temperature in the range of an average low of 79.9°F (26.6°C) and an average high of 97.7°F (36.5°C).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of an extremely hot 104.2°F (40.1°C) in August to a very hot 97.7°F (36.5°C). During the month of September, Palo Verde anticipates a mean low-temperature of 79.9°F (26.6°C).

Humidity

In September, the average relative humidity in Palo Verde is 25%.

Rainfall

In September, the rain falls for 4.1 days. Throughout September, 0.31" (8mm) of precipitation is accumulated. Throughout the year, in Palo Verde, there are 34.2 rainfall days, and 2.99" (76mm) of precipitation is accumulated.

Daylight

The average length of the day in September in Palo Verde is 12h and 22min.
On the first day of September in Palo Verde, California, sunrise is at 6:13 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 6:24 pm PDT.

Sunshine

The average sunshine in September in Palo Verde is 10.1h.

UV index

The average daily maximum UV index in September in Palo Verde is 8. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 8 suggests this advice:
Being careless can result in skin and eye damage. Always take the necessary safety measures. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

How hot is it in Palo Verde in September?

During September, Palo Verde experiences an average high-temperature of 97.7°F (36.5°C) and a low-temperature of 79.9°F (26.6°C).

What is the average humidity in September in Palo Verde?

In Palo Verde, California, the average relative humidity in September is 25%.

How many days does it rain in September in Palo Verde?

In Palo Verde, California, in September, during 4.1 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

How many hours of daylight does Palo Verde have in September?

The average day length in September in Palo Verde is 12h and 22min.

What time are sunrise and sunset in September in Palo Verde?

In September, on the first day of the month, sunrise is at 6:13 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 6:24 pm PDT.

How long on average sun shines in September in Palo Verde?

In September, the average sunshine duration in Palo Verde, California, is 10.1h.

What is the UV index intensity in September in Palo Verde?

In Palo Verde, the average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Palo Verde, CA

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).

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Average pressure in September
Palo Verde, CA

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).

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Average wind speed in September
Palo Verde, CA

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).

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Average humidity in September
Palo Verde, CA

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%).

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Average rainfall in September
Palo Verde, CA

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").

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Average rainfall days in September
Palo Verde, CA

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).

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Average daylight in September /
Average sunshine in September
Palo Verde, CA

Average daylight in September / Average sunshine in September - Palo Verde, 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 1min

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).

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Average sunshine days in September
Palo Verde, CA

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).

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Average UV index in September
Palo Verde, CA

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).

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Average cloud cover in September
Palo Verde, CA

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).

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Average visibility in September
Palo Verde, CA

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).

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Palo Verde, California, USA

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