September weather forecast and climate
Kenwood, CA

Weather in September

The first month of the autumn, September, is also a moderately hot month in Kenwood, California, with average temperature fluctuating between 85.3°F (29.6°C) and 54.3°F (12.4°C).

Temperature

In September, the average high-temperature is almost the same as in August - a moderately hot 85.3°F (29.6°C). In September, in Kenwood, the average low-temperature is 54.3°F (12.4°C).

Heat index

The average heat index in September is appraised at a hot 87.6°F (30.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, clothing, metabolic differences, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

The least humid month in Kenwood is September, with an average relative humidity of 53%.

Rainfall

In Kenwood, during September, the rain falls for 2 days and regularly aggregates up to 0.08" (2mm) of precipitation. Throughout the year, in Kenwood, there are 76.2 rainfall days, and 16.93" (430mm) of precipitation is accumulated.

Snowfall

In Kenwood snow does not fall in January, February, April through December.

Daylight

The average length of the day is 12.4h.

Sunshine

In September, the average sunshine is 11h.

UV index

The average daily maximum UV index in Kenwood is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Kenwood?

The average high-temperature, in September, in Kenwood, California, is 85.3°F (29.6°C), while the average low-temperature is 54.3°F (12.4°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that combines air temperature and relative humidity, is evaluated at 87.6°F (30.9°C).

What is the least humid month in Kenwood?

With an average relative humidity of 53%, September is the least humid month in Kenwood, California.

What is the average humidity in September in Kenwood?

The average relative humidity in September is 53%.

How many days does it rain in September in Kenwood?

In Kenwood, in September, it is raining for 2 days, with typically 0.08" (2mm) of accumulated precipitation.

When it does not snow in Kenwood?

In Kenwood snow does not fall in January, February, April through December.

How many hours of daylight does Kenwood have in September?

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

How long on average sun shines in September in Kenwood?

The average sunshine in September in Kenwood is 11h.

What is the UV index reading in September in Kenwood?

In September, the average daily maximum UV index in Kenwood is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Kenwood, CA

Average temperature in September - Kenwood, CA
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in September: 54.3°F

The month with the highest average low temperature is September (54.3°F).
The coldest month (with the lowest average low temperature) is December (39.6°F).

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Average pressure in September
Kenwood, CA

Average pressure in September - Kenwood, CA
  • Average pressure in September: 29.91"

The month with the highest atmospheric pressure is January (30.14").
Months with the lowest atmospheric pressure are June, August and September (29.91").

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Average wind speed in September
Kenwood, CA

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

The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).

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Average humidity in September
Kenwood, CA

Average humidity in September - Kenwood, CA
  • Average humidity in September: 53%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (53%).

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Average rainfall in September
Kenwood, CA

Average rainfall in September - Kenwood, CA
  • Average rainfall in September: 0.08"

The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is July (0").

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Average rainfall days in September
Kenwood, CA

Average rainfall days in September - Kenwood, CA
  • Average rainfall days in September: 2 days

The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is August (0.3 days).

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Average snowfall in September
Kenwood, CA

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

The month with the highest snowfall is March (0.04").
Months with the least snowfall are January, February, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Kenwood, CA

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

The month with the highest number of snowfall days is March (0.2 days).
Months with the least snowfall days are January, February, April, May, June, July, August, September, October, November and December (0 days).

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

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

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 11h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days in September
Kenwood, CA

Average sunshine days in September - Kenwood, CA
  • Average sunshine days in September: 27.5 days

The month with the most sunshine days is July (30 days).
The month with the least sunshine days is March (15.9 days).

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Average UV index in September
Kenwood, CA

Average UV index in September - Kenwood, CA
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Kenwood, CA

Average cloud cover in September - Kenwood, CA
  • Average cloud cover in September: 10

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in September
Kenwood, CA

Average visibility in September - Kenwood, CA
  • Average visibility in September: 6mi

Months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January and March (5mi).

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