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The temperatures in Concepcion in September are quite cold with temperatures between 8°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Concepcion 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 Concepcion in September 2026.
If you’re planning to visit Concepcion in the near future, we highly recommend that you review the 14 day weather forecast for Concepcion before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 22° / 13° | 1 | 30 | 0 | 11 mm | Good | Concepcion in January |
| February | 22° / 13° | 1 | 28 | 0 | 18 mm | Good | Concepcion in February |
| March | 21° / 13° | 1 | 30 | 0 | 21 mm | Good | Concepcion in March |
| April | 18° / 11° | 2 | 28 | 0 | 38 mm | Good | Concepcion in April |
| May | 16° / 10° | 6 | 25 | 0 | 166 mm | Good | Concepcion in May |
| June | 13° / 8° | 10 | 20 | 0 | 306 mm | Bad | Concepcion in June |
| July | 13° / 7° | 8 | 23 | 0 | 221 mm | Bad | Concepcion in July |
| August | 13° / 7° | 8 | 23 | 0 | 223 mm | Bad | Concepcion in August |
| September | 15° / 8° | 4 | 26 | 0 | 106 mm | Good | Concepcion in September |
| October | 16° / 9° | 3 | 28 | 0 | 68 mm | Good | Concepcion in October |
| November | 19° / 10° | 2 | 28 | 0 | 31 mm | Good | Concepcion in November |
| December | 20° / 12° | 1 | 30 | 0 | 19 mm | Good | Concepcion in December |