September weather forecast and climate
East Compton, CA

Weather in September

The first month of the autumn, September, is also a moderately hot month in East Compton, California, with average temperature fluctuating between 64.8°F (18.2°C) and 80.2°F (26.8°C).

Temperature

In September, the average high-temperature is practically the same as in August - a still moderately hot 80.2°F (26.8°C). The average low-temperature, is 64.8°F (18.2°C).

Humidity

In East Compton, the average relative humidity in September is 61%.

Rainfall

In East Compton, during September, the rain falls for 2.8 days and regularly aggregates up to 0.2" (5mm) of precipitation. Throughout the year, in East Compton, there are 49.7 rainfall days, and 6.77" (172mm) of precipitation is accumulated.

Daylight

In East Compton, the average length of the day is 12.4h.

Sunshine

The average sunshine in East Compton is 10.6h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index in East Compton. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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 East Compton?

In September, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 64.8°F (18.2°C).

What is the average humidity in September in East Compton?

The average relative humidity in September is 61%.

How many days does it rain in September in East Compton?

In East Compton, California, in September, it is raining for 2.8 days, with typically 0.2" (5mm) of accumulated precipitation.

What is the average length of the day in September in East Compton?

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

How many hours of sunshine does East Compton have in September?

In East Compton, California, the average sunshine in September is 10.6h.

What is the month with the highest UV index in East Compton?

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

What is the UV index intensity in September in East Compton?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in September
East Compton, CA

Average temperature in September - East Compton, CA
  • Average high temperature in September: 80.2°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (64°F).

  • Average low temperature in September: 64.8°F

The month with the highest average low temperature is August (65.1°F).
The coldest month (with the lowest average low temperature) is February (51.4°F).

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Average pressure in September
East Compton, CA

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

The month with the highest atmospheric pressure is January (30.1").
Months with the lowest atmospheric pressure are June and September (29.89").

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Average wind speed in September
East Compton, CA

Average wind speed in September - East Compton, CA
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are September and October (4.8mph).

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Average humidity in September
East Compton, CA

Average humidity in September - East Compton, CA
  • Average humidity in September: 61%

The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (53%).

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Average rainfall in September
East Compton, CA

Average rainfall in September - East Compton, CA
  • Average rainfall in September: 0.2"

The wettest months (with the highest rainfall) are January and February (1.26").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in September
East Compton, CA

Average rainfall days in September - East Compton, CA
  • Average rainfall days in September: 2.8 days

The month with the highest number of rainy days is March (7 days).
The month with the least rainy days is June (1.3 days).

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Average daylight in September /
Average sunshine in September
East Compton, CA

Average daylight in September / Average sunshine in September - East Compton, 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: 10.6h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in September
East Compton, CA

Average sunshine days in September - East Compton, CA
  • Average sunshine days in September: 23.2 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (21.1 days).

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Average UV index in September
East Compton, CA

Average UV index in September - East Compton, 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 Compton, CA

Average cloud cover in September - East Compton, CA
  • Average cloud cover in September: 10

Months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in September
East Compton, CA

Average visibility in September - East Compton, 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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