MexicoAverage weather for Los Angeles in September
It's warm in September in Los Angeles with an average temperature of 27°C. Temperatures this month range from a low of 26°C to a high of 28°C. At night, you can expect temperatures between 13°C and 16°C.
Start of September
The month of September starts in Los Angeles with hot temps, averaging around 27°C during the day and nights around 16°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers.
Mid September
By mid-September, daytime temps rise to around 28°C, with nights around 15°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
Since it cools down at night, it’s a good idea to wear layers.
End of September
By the end of September, the average daytime temperature in Los Angeles is around 28°C, while nighttime temps are about 15°C. A shower might pop up, but overall, the weather will be dry and sunny.
Because temperatures drop in the evening, wearing layers is recommended.
In September, there is an average of 104 mm of precipitation, spread over 15 days. The wind speed is around 3 Bft, mostly coming from the East.
Los Angeles in September |
New York | ||
|---|---|---|---|
 Average temperature |
27°C | 27°C | |
 Max. temperature |
28°C | 31°C | |
| Min. temperature |
26°C | -5°C | |
 Total precipitation |
104 mm | 57 mm | |
| Rainy days |
15 days | 9 days | |
August
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Los Angeles?
Looking for sun? September isn’t a good month to be in Los Angeles. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 34°C in 2023, Los Angeles reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 22°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 17°C.
Check out the climate of Los Angeles for all months and discover the best travel time
Curious about the weather in other parts of Mexico? Check out the climate and weather for spots like Cancún, Mexico City, Playa del Carmen, or explore other destinations in Mexico.
Daily Temperature in September in Los Angeles
This chart shows the average daily high and low temperatures in September for Los Angeles, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Los Angeles
The chart below shows the average daily precipitation in September for Los Angeles, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 15 days of precipitation in Los Angeles.
Daily UV index in September in Los Angeles
This chart shows the average daily UV index in September in Los Angeles, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Los Angeles over the years
This chart shows the average temperature in September in Los Angeles, measured in degrees Celsius, over the past few years.
Total precipitation in September in Los Angeles over the years
This chart shows the average precipitation in September in Los Angeles, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Los Angeles
Click on any day in September to get detailed info about the usual weather on that day in Los Angeles. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Los Angeles
Have you been to Los Angeles in September?
Share your weather experience in September in Los Angeles.
Average weather in Los Angeles by month
Click on a month below to see detailed weather info for Los Angeles. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Los Angeles for all months at once
