San Gil Weather in September
September in San Gil brings high temperatures, with daytime highs of 25°C (77°F) and nights around 15°C (59°F). It's part of the rainy season, with 447 mm (18 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in San Gil in September
As part of the rainy season, San Gil sees around 19 days of rain in September, with an average of 447 mm (18 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in San Gil in September
In September, expect high temperatures in San Gil, with highs of 25°C (77°F) and lows of 15°C (59°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in San Gil in September
The area experiences a moderate amount of sunshine, with approximately 152 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.September in San Gil has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Gil's climate page.
San Gil Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
25°C (77°F)
Chance of Rain
64%
Precipitation
447 mm (18 in)
Rainy days
19 days
Humidity
85% *
Sunshine
152 hours *
Percentage Sunshine
*
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in San Gil typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows around 17°C (63°F).
Average temperatures in September
Historical weather for San Gil in September
Browse day-by-day weather records for San Gil spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Gil historical weather extremes in September
The extremes listed below come from historical weather data collected in San Gil from 1998 through 2025.
- The warmest day in September was on September 15, 2015, with a maximum of 31°C (88°F).
- The lowest daytime temperature in September was 18°C (64°F), recorded on September 28, 1999.
- San Gil registered its coldest September night on September 16, 2012, with temperatures dropping to 11°C (52°F).
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 Gil 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! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in San Gil 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 Gil's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Gil climate overview or explore weather in Colombia.
