San Gil
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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.

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
*
* Data from: Bucaramanga, Colombia (63 KM, 39 Miles).

San Gil Weather by Month

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

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 records 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 2026.

  • 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

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 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.

  • Swimming
    7/10
  • Camping
    6/10

San Gil 3-Day Forecast

More climate data for San Gil

Popular in September

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

Bucket list

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