San Agustín Weather in September
Thinking of visiting San Agustín in September? Expect pleasant temperatures reaching 20°C (68°F) during the day, dropping to 10°C (50°F) at night, with the driest conditions of the year.
Rainfall in San Agustín in September
As part of the rainy season, San Agustín sees around 14 days of rain in September, with an average of 186 mm (7.3 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days. Clear skies and little rain are the norm this month. A great time to spend time outdoors.
Temperature in San Agustín in September
If you're visiting San Agustín in September, expect highs of 20°C (68°F) and overnight lows around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 10°C (50°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in San Agustín in September
The month experiences a moderate amount of sunlight, with 131 hours of sunshine. This provides a nice balance between sunshine and rain.If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for San Agustín.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Colombia, check out our San Agustín's climate page.
San Agustín Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
48%
Precipitation
186 mm (7.3 in)
Rainy days
14 days
Humidity
74% *
Sunshine
131 hours *
Percentage Sunshine
*
Historical weather for San Agustín in September
Browse day-by-day weather records for San Agustín spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Agustín historical weather extremes in September
The extremes listed below come from historical weather data collected in San Agustín from 2006 through 2025.
- The hottest September day on record in San Agustín reached 30°C (86°F) (September 19, 2024).
- The coldest September day was on September 13, 2012, with a maximum of 14°C (57°F).
- Nighttime temperatures dropped to 7°C (45°F) on September 21, 2013, marking the coldest September night on record.
- The heaviest September precipitation occurred on September 30, 2016, when 36 mm (1.4 in) of precipitation fell.
Best Places in Colombia in September
Find out more about the weather in Colombia and which places have the best travel conditions in this month. See all of Colombia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in San Agustín in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in San Agustín 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 Colombia, check out our San Agustín's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Agustín climate overview or explore weather in Colombia.
