September weather forecast and climate
Cox, CA

Weather in September

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

Temperature

In September, the average high-temperature marginally drops, from an extreme hot 104.2°F (40.1°C) in August, to a very hot 97.7°F (36.5°C). The average low-temperature, in September, is 79.9°F (26.6°C).

Humidity

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

Rainfall

In Cox, it is raining for 4.1 days, with typically 0.31" (8mm) of accumulated precipitation. Throughout the year, in Cox, there are 34.2 rainfall days, and 2.99" (76mm) of precipitation is accumulated.

Daylight

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

Sunshine

In September, the average sunshine in Cox is 10.1h.

UV index

In Cox, the average daily maximum UV index is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 8 interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Cox?

In Cox, in September, the average high-temperature is 97.7°F (36.5°C), and the average low-temperature is 79.9°F (26.6°C).

What is the average humidity in September in Cox?

The average relative humidity in September is 25%.

How much does it rain in Cox in September?

In Cox, in September, it is raining for 4.1 days, with typically 0.31" (8mm) of accumulated precipitation.

How many hours of daylight does Cox have in September?

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

How long on average sun shines in September in Cox?

In Cox, California, the average sunshine in September is 10.1h.

What is the UV index reading in September in Cox?

The average daily maximum UV index in September in Cox, California, is 8. A UV Index value of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV rays.

Average temperature in September
Cox, CA

Average temperature in September - Cox, 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
Cox, CA

Average pressure in September - Cox, CA
  • Average pressure in September: 29.79"

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.74").

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Average wind speed in September
Cox, CA

Average wind speed in September - Cox, 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
Cox, CA

Average humidity in September - Cox, CA
  • Average humidity in September: 25%

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
Cox, CA

Average rainfall in September - Cox, 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
Cox, CA

Average rainfall days in September - Cox, 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
Cox, CA

Average daylight in September / Average sunshine in September - Cox, 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: 9.9h).

  • Average sunshine in September: 10.1h

Months with the most sunshine are June and August (Average sunshine: 12.2h).
Months with the least sunshine are January and December (Average sunshine: 7.2).

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Average sunshine days in September
Cox, CA

Average sunshine days in September - Cox, 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
Cox, CA

Average UV index in September - Cox, CA
  • Average UV index in September: 8

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
Cox, CA

Average cloud cover in September - Cox, 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
Cox, CA

Average visibility in September - Cox, 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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