September weather forecast
Cathedral City, CA

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Weather in September

The first month of the autumn, September, is still a hot month in Cathedral City, California, with an average temperature ranging between min 67.6°F and max 86.9°F.

Temperature

The arrival of September corresponds with a light shift in temperature, down from 93.7°F in August to a still tropical 86.9°F. An average low-temperature of 67.6°F marks the month of September.

Humidity

In September, the average relative humidity in Cathedral City is 32%.

Rainfall

In Cathedral City, in September, it is raining for 6.1 days, with typically 0.55" of accumulated precipitation. In Cathedral City, during the entire year, the rain falls for 54 days and collects up to 6.57" of precipitation.

Daylight

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 7:11 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:32 pm PDT.

Sunshine

In September, the average sunshine in Cathedral City is 10.5h.

UV index

In Cathedral City, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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FAQ

How hot is it in Cathedral City in September?

An average high-temperature, in September, in Cathedral City, is 86.9°F and the average low-temperature is 67.6°F.

What is the average humidity in September in Cathedral City?

In Cathedral City, the average relative humidity in September is 32%.

How much does it rain in Cathedral City in September?

In September, the rain falls for 6.1 days. Throughout September, 0.55" of precipitation is accumulated.

How many hours of daylight does Cathedral City have in September?

In Cathedral City, the average day length in September is 12h and 22min.

What time are sunrise and sunset in September in Cathedral City?

On the first day of September, sunrise is at 6:19 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:32 pm PDT.

How many hours of sunshine does Cathedral City have in September?

The average sunshine duration in September in Cathedral City is 10.5h.

What is the UV index reading in September in Cathedral City?

The average daily maximum UV index in September in Cathedral City is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cathedral City, CA

Average temperature in September - Cathedral City, CA
  • Average high temperature in September: 86.9°F

The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is December (58.1°F).

  • Average low temperature in September: 67.6°F

The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).

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Average pressure in September
Cathedral City, CA

Average pressure in September - Cathedral City, 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 (29.81"Hg).

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Average wind speed in September
Cathedral City, CA

Average wind speed in September - Cathedral City, CA
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is May (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).

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Average humidity in September
Cathedral City, CA

Average humidity in September - Cathedral City, 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%).

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Average rainfall in September
Cathedral City, CA

Average rainfall in September - Cathedral City, CA
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is July (1.14").
The driest months (with the least rainfall) are May and June (0.12").

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Average rainfall days in September
Cathedral City, CA

Average rainfall days in September - Cathedral City, CA
  • Average rainfall days in September: 6.1 days

The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.5 days).

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Average daylight in September /
Average sunshine in September
Cathedral City, CA

Average daylight in September / Average sunshine in September - Cathedral City, CA
  • Average daylight in September: 12h and 2min

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 3min

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).

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Average sunshine days in September
Cathedral City, CA

Average sunshine days in September - Cathedral City, CA
  • Average sunshine days in September: 22.5 days

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.1 days).

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Average UV index in September
Cathedral City, CA

Average UV index in September - Cathedral City, 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).

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Average cloud cover in September
Cathedral City, CA

Average cloud cover in September - Cathedral City, 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
Cathedral City, CA

Average visibility in September - Cathedral City, 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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Cathedral City, California, USA

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