September weather forecast and climate
East Los Angeles, CA

Weather in September

September, the first month of the autumn, in East Los Angeles, is also a moderately hot month, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 64.4°F (18°C).

Temperature

In September, the average high-temperature is almost the same as in August - a still warm 84°F (28.9°C). The average low-temperature, in September, is 64.4°F (18°C).

Heat index

The average heat index in September is evaluated at a hot 86°F (30°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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, metabolic differences, wind, and differences in body mass, height, and shape 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 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

The average relative humidity in September is 54%.

Rainfall

In September, the rain falls for 2.7 days. Throughout September, 0.12" (3mm) of precipitation is accumulated. Throughout the year, in East Los Angeles, there are 48.3 rainfall days, and 7.91" (201mm) of precipitation is accumulated.

Daylight

In September, the average length of the day in East Los Angeles, California, is 12.4h.

Sunshine

The average sunshine in September is 10.7h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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 East Los Angeles?

In September, in East Los Angeles, California, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 64.4°F (18°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in September in East Los Angeles?

In East Los Angeles, California, the average relative humidity in September is 54%.

How many days does it rain in September in East Los Angeles?

In East Los Angeles, during September, the rain falls for 2.7 days and regularly aggregates up to 0.12" (3mm) of precipitation.

How many hours of daylight does East Los Angeles have in September?

In East Los Angeles, the average length of the day in September is 12.4h.

How long on average sun shines in September in East Los Angeles?

The average sunshine in September in East Los Angeles is 10.7h.

What are the months with the highest UV index in East Los Angeles?

Months with the highest UV index in East Los Angeles are June through September, with an average maximum UV index of 6.

How high is the UV index in September in East Los Angeles?

In September, the average daily maximum UV index in East Los Angeles, California, is 6. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.

Average temperature in September
East Los Angeles, CA

Average temperature in September - East Los Angeles, CA
  • Average high temperature in September: 84°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 (64.4°F).

  • Average low temperature in September: 64.4°F

The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (49.3°F).

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Average pressure in September
East Los Angeles, CA

Average pressure in September - East Los Angeles, CA
  • Average pressure in September: 29.89"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in September
East Los Angeles, CA

Average wind speed in September - East Los Angeles, CA
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.7mph).

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Average humidity in September
East Los Angeles, CA

Average humidity in September - East Los Angeles, CA
  • Average humidity in September: 54%

The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (48%).

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Average rainfall in September
East Los Angeles, CA

Average rainfall in September - East Los Angeles, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is February (1.73").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in September
East Los Angeles, CA

Average rainfall days in September - East Los Angeles, CA
  • Average rainfall days in September: 2.7 days

The month with the highest number of rainy days is March (7.2 days).
Months with the least rainy days are June and August (1.3 days).

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Average daylight in September /
Average sunshine in September
East Los Angeles, CA

Average daylight in September / Average sunshine in September - East Los Angeles, 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: 10.7h

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

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Average sunshine days in September
East Los Angeles, CA

Average sunshine days in September - East Los Angeles, 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 (20.6 days).

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Average UV index in September
East Los Angeles, CA

Average UV index in September - East Los Angeles, CA
  • Average UV index in September: 6

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in September
East Los Angeles, CA

Average cloud cover in September - East Los Angeles, CA
  • Average cloud cover in September: 8

Months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in September
East Los Angeles, CA

Average visibility in September - East Los Angeles, 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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