Castro Weather in September
Castro in September sees moderate temperatures, with highs around 14°C (57°F) and overnight lows of 4°C (39°F). Rainfall is fairly high at around 150 mm (5.9 in) on average, so pack waterproofs just in case.
Rainfall in Castro in September
Records from the past 30 years suggest around 7 days of rain, with 150 mm (5.9 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Castro in September
September in Castro brings moderate temperatures, with highs of 14°C (57°F) and nights around 4°C (39°F). Conditions are often most pleasant around the middle of the day. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.For Castro itself, January and February generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Chile, check out our Castro's climate page.
Castro Temperature in September
Min Temperature
4°C (39°F)
Max Temperature
14°C (57°F)
Chance of Rain
23%
Precipitation
150 mm (5.9 in)
Rainy days
7 days
Humidity
82% *
Historical weather for Castro in September
Browse day-by-day weather records for Castro spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Castro historical weather extremes in September
Based on 19 years of weather observations in Castro between 2006 and 2025, these are the recorded extremes.
- Castro recorded its highest September temperature of 22°C (72°F) on September 26, 2012.
- The coldest September day was on September 17, 2023, with a maximum of 7°C (45°F).
- The coldest night in September in Castro was on September 9, 2017, with a minimum of -2°C (28°F).
- The heaviest September precipitation occurred on September 20, 2024, when 51 mm (2 in) of precipitation fell.
Best Places in Chile in September
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Castro in September
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Castro in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Chile, check out our Castro's climate page.
See the full Castro climate overview or explore weather in Chile.
