Santiago weather in September 2025

Expect 61°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Santiago in September. Check more long-term weather averages for Santiago in September before you book your next holiday to Chile in 2025/2026.

  • 61°F maximum daytime temperature in September in Santiago61
    61°F max day temperature
  • 6 hours of sunshine per day
  • 4 days with some rainfall in September in Santiago4
    4 days with some rainfall
  • 41°F minimum night-time temperature in September in Santiago41
    41°F min night temperature
  • 12 hours of daylight per day in September in Santiago12
    12 hours of daylight per day
  • No heat & humidity in September in Santiago0
    No heat & humidity
  • 1.3 inches monthly rainfall in September in Santiago1.3
    1.3 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Santiago6
    6 (High) UV index

More about Santiago

Santiago by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Chile

Travelbag: Latest holiday sale offers worldwide

  • Explore latest sale offers on holidays in 2024/2025
  • Filter deals by continent, star rating & holiday type
  • Including Dubai, Caribbean, North America, Asia & Pacific
Go to Travelbag deal >>

View all Travelbag offers

TravelbagHoliday deal finder

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.

Metric (°C)  |  Imperial (°F)

Back to top

More about Santiago

How warm is it in Santiago in September?

Daytime temperatures usually reach 61°F in Santiago in September, falling to 41°F at night.

How sunny is it in Santiago in September?

There are normally 6 hours of bright sunshine each day in Santiago in September - that's 49% of daylight hours.

Does it rain in Santiago in September?

There are usually 4 days with some rain in Santiago in September and the average monthly rainfall is 1.3 inches.

Santiago September sunrise & sunset times

Browse the sunrise and sunset times for Santiago in September 2025. Select a month to view Santiago sunrise and sunset times for the next 12 months.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^