September weather forecast and climate
Mecca, CA

Weather in September

The first month of the autumn, September, is also a hot month in Mecca, California, with average temperature fluctuating between 88.7°F (31.5°C) and 72°F (22.2°C).

Temperature

In September, the average high-temperature marginally drops, from a tropical 94.6°F (34.8°C) in August, to a still hot 88.7°F (31.5°C). In Mecca, in September, the average low-temperature is 72°F (22.2°C).

Humidity

The average relative humidity in September is 33%.

Rainfall

In Mecca, during September, the rain falls for 5 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, in Mecca, California, there are 46.2 rainfall days, and 4.09" (104mm) of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in September is 10.4h.

UV index

In Mecca, California, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
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 Mecca?

In Mecca, California, in September, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 72°F (22.2°C).

What is the average humidity in September in Mecca?

In September, the average relative humidity is 33%.

How much does it rain in Mecca in September?

In Mecca, California, in September, during 5 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

How many hours of daylight does Mecca have in September?

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

How long on average sun shines in September in Mecca?

In Mecca, the average sunshine in September is 10.4h.

What is the UV index intensity in September in Mecca?

In September, the average daily maximum UV index in Mecca, California, is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Mecca, CA

Average temperature in September - Mecca, CA
  • Average high temperature in September: 88.7°F

The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (60.6°F).

  • Average low temperature in September: 72°F

The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).

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Average pressure in September
Mecca, CA

Average pressure in September - Mecca, CA
  • Average pressure in September: 29.83"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.8").

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Average wind speed in September
Mecca, CA

Average wind speed in September - Mecca, CA
  • Average wind speed in September: 6.4mph

The windiest month (with the highest average wind speed) is May (8.2mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

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Average humidity in September
Mecca, CA

Average humidity in September - Mecca, CA
  • Average humidity in September: 33%

The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (29%).

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Average rainfall in September
Mecca, CA

Average rainfall in September - Mecca, CA
  • Average rainfall in September: 0.31"

The wettest month (with the highest rainfall) is July (0.79").
The driest months (with the least rainfall) are May and June (0.12").

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Average rainfall days in September
Mecca, CA

Average rainfall days in September - Mecca, CA
  • Average rainfall days in September: 5 days

The month with the highest number of rainy days is July (6.9 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
Mecca, CA

Average daylight in September / Average sunshine in September - Mecca, 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: 10.4h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7.1h).

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Average sunshine days in September
Mecca, CA

Average sunshine days in September - Mecca, CA
  • Average sunshine days in September: 23.1 days

The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is July (19.4 days).

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Average UV index in September
Mecca, CA

Average UV index in September - Mecca, CA
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Mecca, CA

Average cloud cover in September - Mecca, CA
  • Average cloud cover in September: 6

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).

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Average visibility in September
Mecca, CA

Average visibility in September - Mecca, 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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