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United StatesThe weather in September in Long Beach
It's warm in September in Long Beach with an average temperature of 28°C. Temperatures this month range from a low of 27°C to a high of 31°C. At night, you can expect temperatures between 18°C and 21°C.
Looking for great weather? September is a good time to be in Long Beach. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Long Beach, California. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 42°C in 2022, Long Beach reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 20°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 26°C.
Rainfall amount
According to weather history, there is only 3,9 mm of precipitation in September. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in September for Long Beach
Click on any day in September to get detailed info about the usual weather on that day in Long Beach. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Long Beach | New York | |
|---|---|---|
| Average temperature | 28°C | 27°C |
| Max. temperature | 31°C | 31°C |
| Min. temperature | 18°C | -5°C |
| Total precipitation | 3,9 mm | 57 mm |
| Rainy days | 1 day | 9 days |
Start of September
The month of September starts in Long Beach with hot temps, averaging around 30°C during the day and nights around 21°C.
Mid September
By mid-September, daytime temps drop to around 29°C, with nights around 20°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
End of September
By the end of September, the average daytime temperature in Long Beach is around 28°C, while nighttime temps are about 19°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
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Temperature charts
These charts show the average temperatures in September in Long Beach, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Long Beach
Temperature in September in Long Beach over the years
Precipitation charts
These charts show the average amount of precipitation in September in Long Beach, California. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Long Beach
Total precipitation in September in Long Beach over the years
Daily UV index in September in Long Beach
This chart shows the average daily UV index in September in Long Beach, 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.
Weather experiences in September in Long Beach
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Average weather in Long Beach by month
Click on a month below to see detailed weather info for Long Beach. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.