Click on a day for an hourly weather forecast
The weather in Anaheim in September is hot. The average temperatures are between 20°C and 28°C.
You can expect a few rainy days in Anaheim during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Anaheim in September 2025.
If you’re planning to visit Anaheim in the near future, we highly recommend that you review the 14 day weather forecast for Anaheim before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 20° / 11° | 3 | 28 | 0 | 70 mm | Good | Anaheim in January |
| February | 19° / 11° | 2 | 26 | 0 | 68 mm | Good | Anaheim in February |
| March | 20° / 11° | 2 | 29 | 0 | 44 mm | Good | Anaheim in March |
| April | 21° / 13° | 1 | 29 | 0 | 23 mm | Good | Anaheim in April |
| May | 22° / 14° | 1 | 30 | 0 | 15 mm | Good | Anaheim in May |
| June | 25° / 16° | 0 | 30 | 0 | 4 mm | Perfect | Anaheim in June |
| July | 27° / 19° | 1 | 30 | 0 | 25 mm | Perfect | Anaheim in July |
| August | 28° / 20° | 1 | 30 | 0 | 19 mm | Perfect | Anaheim in August |
| September | 28° / 20° | 1 | 29 | 0 | 15 mm | Perfect | Anaheim in September |
| October | 25° / 17° | 1 | 30 | 0 | 23 mm | Perfect | Anaheim in October |
| November | 22° / 14° | 1 | 29 | 0 | 31 mm | Good | Anaheim in November |
| December | 19° / 11° | 3 | 28 | 0 | 82 mm | Good | Anaheim in December |