Click on a day for an hourly weather forecast
The temperatures in Curitiba in September are comfortable with low of 13°C and and high up to 24°C.
You can expect about 3 to 8 days of rain in Curitiba 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 Curitiba in September 2025.
If you’re planning to visit Curitiba in the near future, we highly recommend that you review the 14 day weather forecast for Curitiba before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 26° / 17° | 17 | 14 | 0 | 371 mm | Good | Curitiba in January |
| February | 26° / 17° | 14 | 14 | 0 | 330 mm | Good | Curitiba in February |
| March | 25° / 16° | 13 | 19 | 0 | 263 mm | Good | Curitiba in March |
| April | 23° / 14° | 7 | 23 | 0 | 156 mm | Good | Curitiba in April |
| May | 21° / 12° | 7 | 24 | 0 | 195 mm | Ok | Curitiba in May |
| June | 19° / 10° | 7 | 23 | 0 | 197 mm | Ok | Curitiba in June |
| July | 19° / 10° | 7 | 24 | 0 | 173 mm | Ok | Curitiba in July |
| August | 21° / 11° | 5 | 26 | 0 | 145 mm | Good | Curitiba in August |
| September | 24° / 13° | 7 | 23 | 0 | 160 mm | Good | Curitiba in September |
| October | 23° / 14° | 11 | 20 | 0 | 236 mm | Good | Curitiba in October |
| November | 24° / 15° | 11 | 19 | 0 | 246 mm | Good | Curitiba in November |
| December | 26° / 16° | 15 | 16 | 0 | 325 mm | Good | Curitiba in December |