The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
Gesen in September averages 35°C (95°F) during the day and 23°C (73°F) at night. September is part of the rainy season, so frequent rainfall is typical.
If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
Pick a month to see the average temperature, rainfall and sunshine in Gesen - and find the best time to visit.
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 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).
Hot weather in September means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Gesen climate overview or explore weather in Colombia.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
5 Hidden Gems in Colombia
Explore Colombia's hidden gems, from El Cocuy's remote beauty to Providencia's serene beaches, offering authentic experiences off the beaten path.
Tayrona National Park: the most beautiful part of Colombia
Visit the park between the months December and March (not February since it is closed) or from June till August (this is high season).
Breathtaking view in Minca
Minca is a tiny village in the tropical rain forest of Colombia and is an oasis of tranquility. Everyone looking for a relatively undiscovered piece of Colombia is in the right place here.