Click on a day for an hourly weather forecast
The temperatures in Orange in September are quite cold with temperatures between 5°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Orange during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
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 | 27° / 16° | 7 | 24 | 0 | 72 mm | Good | Orange in January |
| February | 26° / 15° | 7 | 21 | 0 | 74 mm | Good | Orange in February |
| March | 23° / 13° | 7 | 24 | 0 | 87 mm | Good | Orange in March |
| April | 19° / 9° | 4 | 26 | 0 | 52 mm | Good | Orange in April |
| May | 14° / 5° | 4 | 26 | 0 | 44 mm | Good | Orange in May |
| June | 10° / 4° | 6 | 24 | 0 | 69 mm | Ok | Orange in June |
| July | 10° / 3° | 7 | 24 | 0 | 68 mm | Bad | Orange in July |
| August | 11° / 3° | 7 | 24 | 0 | 71 mm | Bad | Orange in August |
| September | 14° / 5° | 6 | 24 | 0 | 75 mm | Good | Orange in September |
| October | 18° / 8° | 7 | 24 | 0 | 73 mm | Ok | Orange in October |
| November | 21° / 11° | 8 | 22 | 0 | 105 mm | Ok | Orange in November |
| December | 25° / 13° | 8 | 23 | 0 | 102 mm | Good | Orange in December |