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Santiago Weather in September

September in Santiago brings high temperatures around 29°C (84°F) during the day, dropping to 25°C (77°F) at night, and as part of the rainy season, heavy rainfall is common.

Rainfall in Santiago in September

Santiago is in the rainy season in September, with rain on around 17 days and an average of 411 mm (16 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Santiago in September

Santiago in September gets highs of 29°C (84°F) during the day and drops to 25°C (77°F) at night. This kind of day-to-night contrast is typical for this time of year. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

September in Santiago has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

Santiago Temperature in September

Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
57%
Precipitation
411 mm (16 in)
Rainy days
17 days

Santiago Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Santiago - and find the best time to visit.

Best Places in Philippines in September

Find out more about the weather in Philippines and which places have the best travel conditions in this month. See all of Philippines in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Santiago in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.

What To Do in Santiago in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Santiago 3-Day Forecast

More climate data for Santiago

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.