Chillán Viejo in September
7.3out of 10
Possible, with caveats
Mild: highs around 16°C. Some rain: about 7 rainy days.
16°CAvg high
6°CAvg low
7Rainy days (72 mm)
11:47 hDaylight
07:49Sunrise · 19:36 Sunset
Why this score
- Mild: highs around 16°C
- Some rain: about 7 rainy days
What to wear and pack
- Layers you can add or remove
- Comfortable walking shoes
How reliable is the forecast?
Rain in September varies a lot between years (±3.7 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 27°C | 13°C | 8 mm | 1 | – | – | 8.9 |
| February | 27°C | 12°C | 18 mm | 2 | – | – | 8.9 |
| March | 25°C | 11°C | 21 mm | 3 | – | – | 8.7 |
| April | 20°C | 8°C | 60 mm | 5 | – | – | 8.0 |
| May | 15°C | 7°C | 157 mm | 10 | – | – | 6.4 |
| June | 13°C | 6°C | 213 mm | 13 | – | – | 5.3 |
| July | 13°C | 4°C | 159 mm | 12 | – | – | 5.7 |
| August | 14°C | 5°C | 132 mm | 11 | – | – | 6.1 |
| September | 16°C | 6°C | 72 mm | 7 | – | – | 7.3 |
| October | 19°C | 7°C | 49 mm | 7 | – | – | 7.7 |
| November | 22°C | 9°C | 25 mm | 3 | – | – | 8.7 |
| December | 25°C | 11°C | 16 mm | 2 | – | – | 8.8 |
Frequently asked questions
How hot is Chillán Viejo in September?
Daytime highs average 16°C and nights about 6°C.
When is the best time to visit Chillán Viejo?
The best months are January, February, December, March.