September weather forecast
El Segundo, CA

Weather in September

September, the first month of the autumn in El Segundo, is still a warm month, with an average temperature fluctuating between 63.9°F (17.7°C) and 78.6°F (25.9°C).

Temperature

In El Segundo, the average high-temperature in September is practically the same as in August - a still warm 78.6°F (25.9°C). The average low-temperature, is 63.9°F (17.7°C).

Humidity

The average relative humidity in September in El Segundo is 64%.

Rainfall

In El Segundo, during September, the rain falls for 1.8 days and regularly aggregates up to 0.08" (2mm) of precipitation. Throughout the year, there are 33 rainfall days, and 3.11" (79mm) of precipitation is accumulated.

Daylight

In El Segundo, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:19 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:39 pm PDT.

Sunshine

In September, the average sunshine is 10.5h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. 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 El Segundo?

In El Segundo, in September, the average high-temperature is 78.6°F (25.9°C), and the average low-temperature is 63.9°F (17.7°C).

What is the average humidity in September in El Segundo?

The average relative humidity in September in El Segundo is 64%.

How many days does it rain in September in El Segundo?

In El Segundo, in September, during 1.8 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

How many hours of daylight does El Segundo have in September?

In September, the average day length in El Segundo is 12h and 22min.

When are sunrise and sunset in September in El Segundo?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:39 pm PDT.

How long on average sun shines in September in El Segundo?

The average sunshine duration in September in El Segundo is 10.5h.

What is the month with the highest UV index in El Segundo?

The months with the highest UV index in El Segundo, California, are June through September, with an average maximum UV index of 6.

What is the UV index reading in September in El Segundo?

In September, the average daily maximum UV index in El Segundo, California, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
El Segundo, CA

Average temperature in September - El Segundo, CA
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (63.9°F).

  • Average low temperature in September: 63.9°F

The month with the highest average low temperature is August (64.6°F).
The coldest month (with the lowest average low temperature) is February (51.4°F).

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Average pressure in September
El Segundo, CA

Average pressure in September - El Segundo, CA
  • Average pressure in September: 29.9"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).

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Average wind speed in September
El Segundo, CA

Average wind speed in September - El Segundo, CA
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in September
El Segundo, CA

Average humidity in September - El Segundo, CA
  • Average humidity in September: 64%

The month with the highest relative humidity is June (72%).
The month with the lowest relative humidity is November (55%).

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Average rainfall in September
El Segundo, CA

Average rainfall in September - El Segundo, CA
  • Average rainfall in September: 0.08"

The wettest month (with the highest rainfall) is February (0.63").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in September
El Segundo, CA

Average rainfall days in September - El Segundo, CA
  • Average rainfall days in September: 1.8 days

The month with the highest number of rainy days is March (5.9 days).
The months with the least rainy days are June and August (0.9 days).

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Average daylight in September /
Average sunshine in September
El Segundo, CA

Average daylight in September / Average sunshine in September - El Segundo, CA
  • Average daylight in September: 12h and 22min

The month with the longest days is June (Average daylight: 14h and 23min).
The month with the shortest days is December (Average daylight: 9h and 56min).

  • Average sunshine in September: 10h and 30min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).

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Average sunshine days in September
El Segundo, CA

Average sunshine days in September - El Segundo, CA
  • Average sunshine days in September: 27.2 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (23.6 days).

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Average UV index in September
El Segundo, CA

Average UV index in September - El Segundo, CA
  • Average UV index in September: 6

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

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Average cloud cover in September
El Segundo, CA

Average cloud cover in September - El Segundo, CA
  • Average cloud cover in September: 11

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in September
El Segundo, CA

Average visibility in September - El Segundo, CA
  • Average visibility in September: 6mi

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

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