September weather forecast and climate
Campo, CA

Weather in September

The first month of the autumn, September, is still a warm month in Campo, California, with average temperature ranging between max 85.6°F (29.8°C) and min 63.5°F (17.5°C).

Temperature

In Campo, the average high-temperature in September is relatively the same as in August - a moderately hot 85.6°F (29.8°C). In Campo, the average low-temperature is 63.5°F (17.5°C).

Heat index

The average heat index is evaluated at a tropical 86.2°F (30.1°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like wind, differences in body mass, height, and shape, clothing, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In September, the average relative humidity is 45%.

Rainfall

In Campo, California, in September, it is raining for 5 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, in Campo, California, there are 64.8 rainfall days, and 8.7" (221mm) of precipitation is accumulated.

Snowfall

January, April through November are months without snowfall in Campo.

Daylight

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

Sunshine

The average sunshine in September is 10.4h.

UV index

The average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Campo?

In September, the average high-temperature is 85.6°F (29.8°C), and the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines relative humidity and air temperature, in September is calculated to 86.2°F (30.1°C).

What is the average humidity in September in Campo?

The average relative humidity in September in Campo is 45%.

How many days does it rain in September in Campo?

In Campo, in September, it is raining for 5 days, with typically 0.59" (15mm) of accumulated precipitation.

When it does not snow in Campo?

In Campo snow does not fall in January, April through November.

How many hours of daylight does Campo have in September?

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

How many hours of sunshine does Campo have in September?

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

What is the UV index intensity in September in Campo?

In September, the average daily maximum UV index in Campo, California, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in September
Campo, CA

Average temperature in September - Campo, CA
  • Average high temperature in September: 85.6°F

The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is December (59°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is December (42.3°F).

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Average pressure in September
Campo, CA

Average pressure in September - Campo, CA
  • Average pressure in September: 29.85"

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in September
Campo, CA

Average wind speed in September - Campo, CA
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in September
Campo, CA

Average humidity in September - Campo, CA
  • Average humidity in September: 45%

Months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in September
Campo, CA

Average rainfall in September - Campo, CA
  • Average rainfall in September: 0.59"

The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in September
Campo, CA

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

The month with the highest number of rainy days is July (7.9 days).
The month with the least rainy days is June (1.5 days).

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Average snowfall in September
Campo, CA

Average snowfall in September - Campo, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.55").
Months with the least snowfall are January, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Campo, CA

Average snowfall days in September - Campo, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.8 days).
Months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Campo, CA

Average daylight in September / Average sunshine in September - Campo, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.3h).
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: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.3h).

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Average sunshine days in September
Campo, CA

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

The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is July (19 days).

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Average UV index in September
Campo, CA

Average UV index in September - Campo, CA
  • Average UV index in September: 6

Months with the highest UV index are July and August (UV index 7).
Months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in September
Campo, CA

Average cloud cover in September - Campo, CA
  • Average cloud cover in September: 9

The month with the most cloud cover is December (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in September
Campo, CA

Average visibility in September - Campo, 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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