Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With September's arrival, Compton notes an average high-temperature of a still warm 80.2°F (26.8°C), closely following the trend of the preceding month. Compton registers a consistent average low-temperature of 64.8°F (18.2°C) during September.Humidity
In September, the average relative humidity in Compton is 61%.Rainfall
In Compton, in September, it is raining for 2.8 days, with typically 0.2" (5mm) of accumulated precipitation. In Compton, during the entire year, the rain falls for 49.7 days and collects up to 6.77" (172mm) of precipitation.Daylight
The average length of the day in September is 12h and 22min.On the first day of September in Compton, sunrise is at 6:27 am and sunset at 7:18 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 in 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 Compton. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Compton?
What is the average humidity in September in Compton?
How many days does it rain in September in Compton?
How many hours of daylight does Compton have in September?
When are sunrise and sunset in September in Compton?
How many hours of sunshine does Compton have in September?
When is the highest UV index in Compton?
What is the UV index intensity in September in Compton?
Average temperature in September
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
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
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
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
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
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
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
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
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
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
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).
Compton, California, USA
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