September weather forecast
East Compton, CA

Share

Weather in September

September, the first month of the autumn in East Compton, is still a warm month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 80.2°F (26.8°C).

Temperature

With the transition into September, East Compton notes an average high-temperature of a still moderately hot 80.2°F (26.8°C), closely resembling August. Throughout September, the average low-temperature records at a comfortable 64.8°F (18.2°C).

Humidity

In September, the average relative humidity is 61%.

Rainfall

In East Compton, in September, it is raining for 2.8 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, there are 49.7 rainfall days, and 6.77" (172mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:37 pm PDT.

Sunshine

The average sunshine in September is 10.6h.

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 hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 6 in September translates into this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What are September temperatures?

An average high-temperature, in September, in East Compton, is 80.2°F (26.8°C) and the average low-temperature is 64.8°F (18.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 84.2°F (29°C).

What is the average humidity in September?

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

How much does it rain in September?

In East Compton, during September, the rain falls for 2.8 days and regularly aggregates up to 0.2" (5mm) of precipitation.

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

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

When are sunrise and sunset in September in East Compton?

On the first day of September, sunrise is at 6:27 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:37 pm PDT.

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

In September, the average sunshine duration is 10.6h.

When is the highest UV index?

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

What is the UV index reading in September?

In East Compton, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in September
East Compton, CA

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

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

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).

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%).

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").

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).

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: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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).

Average UV index in September
East Compton, CA

Average UV index in September - East Compton, 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, November and December (UV index 4).

Average cloud cover in September
East Compton, CA

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

The 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).

Average visibility in September
East Compton, CA

Average visibility in September - East Compton, 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).

East Compton, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location