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