September weather forecast and climate
Sherman Oaks, CA

Weather in September

The first month of the autumn, September, is still a warm month in Sherman Oaks, California, with average temperature ranging between max 82.8°F (28.2°C) and min 62.8°F (17.1°C).

Temperature

In Sherman Oaks, the average high-temperature in September is relatively the same as in August - a still moderately hot 82.8°F (28.2°C). In September, in Sherman Oaks, the average low-temperature is 62.8°F (17.1°C).

Heat index

The average heat index in September is appraised at 84.2°F (29°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity 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 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, clothing, metabolic differences). 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 in Sherman Oaks is 53%.

Rainfall

In Sherman Oaks, in September, it is raining for 2.7 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, in Sherman Oaks, there are 47.8 rainfall days, and 8.35" (212mm) of precipitation is accumulated.

Snowfall

In Sherman Oaks snow does not fall in January through November.

Daylight

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

Sunshine

The average sunshine is 10.8h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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. 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 Sherman Oaks?

The average high-temperature, in September, in Sherman Oaks, California, is 82.8°F (28.2°C), while the average low-temperature is 62.8°F (17.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), that combines both air temperature and relative humidity, in September is calculated to 84.2°F (29°C).

What is the average humidity in September in Sherman Oaks?

In Sherman Oaks, California, the average relative humidity in September is 53%.

How much does it rain in Sherman Oaks in September?

In Sherman Oaks, California, in September, during 2.7 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

When it does not snow in Sherman Oaks?

January through November are months without snowfall in Sherman Oaks, California.

What is the average length of the day in September in Sherman Oaks?

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

How long on average sun shines in September in Sherman Oaks?

In September, the average sunshine is 10.8h.

What is the month with the highest UV index in Sherman Oaks?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Sherman Oaks, California.

What is the UV index intensity in September in Sherman Oaks?

The average daily maximum UV index in September in Sherman Oaks is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Sherman Oaks, CA

Average temperature in September - Sherman Oaks, CA
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (62.2°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (47.3°F).

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Average pressure in September
Sherman Oaks, CA

Average pressure in September - Sherman Oaks, CA
  • Average pressure in September: 29.89"

The month with the highest atmospheric pressure is January (30.11").
Months with the lowest atmospheric pressure are June and September (29.89").

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Average wind speed in September
Sherman Oaks, CA

Average wind speed in September - Sherman Oaks, CA
  • Average wind speed in September: 4.4mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

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Average humidity in September
Sherman Oaks, CA

Average humidity in September - Sherman Oaks, CA
  • Average humidity in September: 53%

The month with the highest relative humidity is June (60%).
The month with the lowest relative humidity is November (48%).

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Average rainfall in September
Sherman Oaks, CA

Average rainfall in September - Sherman Oaks, CA
  • Average rainfall in September: 0.16"

The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Sherman Oaks, CA

Average rainfall days in September - Sherman Oaks, CA
  • Average rainfall days in September: 2.7 days

The month with the highest number of rainy days is March (7 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall days in September
Sherman Oaks, CA

Average snowfall days in September - Sherman Oaks, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Sherman Oaks, CA

Average daylight in September / Average sunshine in September - Sherman Oaks, 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: 10.8h

Months with the most sunshine are June, July and August (Average sunshine: 12.1h).
The month with the least sunshine is February (Average sunshine: 6.8h).

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Average sunshine days in September
Sherman Oaks, CA

Average sunshine days in September - Sherman Oaks, CA
  • Average sunshine days in September: 25.5 days

The month with the most sunshine days is August (27.7 days).
The month with the least sunshine days is February (21.3 days).

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Average UV index in September
Sherman Oaks, CA

Average UV index in September - Sherman Oaks, CA
  • Average UV index in September: 6

Months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Sherman Oaks, CA

Average cloud cover in September - Sherman Oaks, CA
  • Average cloud cover in September: 7

Months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in September
Sherman Oaks, CA

Average visibility in September - Sherman Oaks, 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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