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Chile weather in September 2025
Expect 16°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Chile in September. Check more long-term weather averages for Chile in September before you book your next holiday to Chile in 2025/2026.
- 16°C max day temperature
16 - 6 hours of sunshine per day
- 4 days with some rainfall
4 - 5°C min night temperature
5 - 12 hours of daylight per day
12 - No heat & humidity
0 - 32 mm of monthly rainfall
32 - 6 (High) UV index
6
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The September weather guide for Chile (Santiago) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Chile destinations
Below are average maximum temperatures at popular countries, regions and places in Chile in September. Select a holiday destination to see more weather parameters.
All Chile destinations
- Antofagasta
- Arica
- Balmaceda
- Calama
- Concepcion
- Easter Island
- La Serena
- Lake Chungara
- Lake Pehoe
- Lake Puyehue
- Pucon
- Puerto Montt
- Puerto Natales
- Puerto Varas
- Punte Arenas
- San Pedro de Atacama
- Santa Cruz
- Santiago
- Valdivia
- Valparaiso
- Vina del Mar
Metric (°C / mm) | Imperial (°F / inches)
More about Chile
How warm is it in Chile in September?
Daytime temperatures usually reach 16°C in Santiago, Chile in September, falling to 5°C at night.
How sunny is it in Chile in September?
There are normally 6 hours of bright sunshine each day in Santiago, Chile in September - that's 49% of daylight hours.
Does it rain in Chile in September?
There are usually 4 days with some rain in Santiago, Chile in September and the average monthly rainfall is 32mm.
Chile September sunrise & sunset times
Browse the sunrise and sunset times for Chile in September 2025. Select a month to view Chile sunrise and sunset times for the next 12 months. The Chile sunrise and sunset times shown below are for Santiago.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 07:00 | 18:25 |
| Monday, 15th September 2025 | 06:41 | 18:34 |
| Tuesday, 30th September 2025 | 06:20 | 18:44 |
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