The weather in Long Beach in September is hot. The average temperatures are between 20°C and 27°C.
As it is almost never rain during September in Long Beach the weather is perfect for hanging out outside and exploring all that Long Beach has to offer.
Our weather forecast can give you a great sense of what weather to expect in Long Beach in September 2025.
If you’re planning to visit Long Beach in the near future, we highly recommend that you review the 14 day weather forecast for Long Beach before you arrive.
Temperatures
27° / 20°
Rainy Days
0
Snowy Days
0
Dry Days
30
Rainfall
6
mm
Sun Hours
11.9
Hrs