Concepción Weather in September
Concepción in September sees moderate temperatures, with highs around 16°C (61°F) and overnight lows of 7°C (45°F). Rainfall is fairly high at around 75 mm (3 in) on average, so pack waterproofs just in case.
Rainfall in Concepción in September
Past climate data indicates that roughly 5 days will see rain, totalling around 75 mm (3 in) for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Concepción in September
Expect highs of 16°C (61°F) in Concepción in September, with nights dropping to around 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Concepción in September
The city usually sees around 198 hours of sunlight, indicating many sunny days — a great month for sightseeing.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, November and December typically offer the best circumstances for Concepción.
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 Concepción's climate page.
Concepción Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
16°C (61°F)
Chance of Rain
18%
Precipitation
75 mm (3 in)
Rainy days
5 days
Humidity
82%
Sunshine
198 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Concepción typically stay consistent throughout September, with daily highs averaging around 16°C (61°F). Nights are cold, with lows typically ranging from 5°C (41°F) to 8°C (46°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Concepción in September
Browse day-by-day weather records for Concepción spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Concepción historical weather extremes in September
Based on 49 years of weather observations in Concepción between 1976 and 2025, these are the recorded extremes.
- The warmest day in September was on September 12, 2004, with a maximum of 26°C (79°F).
- The coldest September day was on September 2, 1983, with a maximum of 8°C (46°F).
- Nighttime temperatures dropped to -1°C (30°F) on September 3, 1976, marking the coldest September night on record.
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 Concepción 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. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Concepción 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 Concepción's climate page.
Temperature Rainfall Sunshine Humidity
See the full Concepción climate overview or explore weather in Chile.
