September weather forecast and climate
Ladera Ranch, CA

Weather in September

The first month of the autumn, September, is also a moderately hot month in Ladera Ranch, California, with average temperature fluctuating between 63.5°F (17.5°C) and 79.7°F (26.5°C).

Temperature

In Ladera Ranch, the average high-temperature in September is almost the same as in August - a still moderately hot 79.7°F (26.5°C). The average low-temperature, in Ladera Ranch, is 63.5°F (17.5°C).

Humidity

In September, the average relative humidity is 63%.

Rainfall

In Ladera Ranch, during September, the rain falls for 4.5 days and regularly aggregates up to 0.24" (6mm) of precipitation. Throughout the year, there are 64.2 rainfall days, and 5.79" (147mm) of precipitation is accumulated.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

In Ladera Ranch, the average sunshine is 10.5h.

UV index

Months with the highest UV index in Ladera Ranch are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Ladera Ranch?

In Ladera Ranch, California, in September, the average high-temperature is 79.7°F (26.5°C), and the average low-temperature is 63.5°F (17.5°C).

What is the average humidity in September in Ladera Ranch?

In Ladera Ranch, California, the average relative humidity in September is 63%.

How many days does it rain in September in Ladera Ranch?

In Ladera Ranch, California, in September, during 4.5 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

How many hours of daylight does Ladera Ranch have in September?

The average length of the day in September in Ladera Ranch is 12.4h.

How many hours of sunshine does Ladera Ranch have in September?

The average sunshine in September in Ladera Ranch, California, is 10.5h.

What are the months with the highest UV index in Ladera Ranch?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Ladera Ranch.

What is the UV index reading in September in Ladera Ranch?

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

Average temperature in September
Ladera Ranch, CA

Average temperature in September - Ladera Ranch, CA
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).

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Average pressure in September
Ladera Ranch, CA

Average pressure in September - Ladera Ranch, CA
  • Average pressure in September: 29.88"

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are June and September (29.88").

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Average wind speed in September
Ladera Ranch, CA

Average wind speed in September - Ladera Ranch, CA
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in September
Ladera Ranch, CA

Average humidity in September - Ladera Ranch, CA
  • Average humidity in September: 63%

Months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).

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Average rainfall in September
Ladera Ranch, CA

Average rainfall in September - Ladera Ranch, CA
  • Average rainfall in September: 0.24"

The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in September
Ladera Ranch, CA

Average rainfall days in September - Ladera Ranch, CA
  • Average rainfall days in September: 4.5 days

The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (1.9 days).

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Average daylight in September /
Average sunshine in September
Ladera Ranch, CA

Average daylight in September / Average sunshine in September - Ladera Ranch, 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 August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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Average sunshine days in September
Ladera Ranch, CA

Average sunshine days in September - Ladera Ranch, CA
  • Average sunshine days in September: 22.2 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is February (19.8 days).

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Average UV index in September
Ladera Ranch, CA

Average UV index in September - Ladera Ranch, CA
  • Average UV index in September: 6

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in September
Ladera Ranch, CA

Average cloud cover in September - Ladera Ranch, CA
  • Average cloud cover in September: 11

Months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in September
Ladera Ranch, CA

Average visibility in September - Ladera Ranch, 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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