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September in Melgar typically sees daytime highs of 27°C (81°F) and nighttime lows of 19°C (66°F). September falls within the rainy season, so heavy rainfall is to be expected.
If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
Pick a month to see the average temperature, rainfall and sunshine in Melgar - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Melgar typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are cool, with lows around 8°C (46°F).
Browse day-by-day weather records for Melgar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Melgar from 1976 through 2025.
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).
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
Temperature Rainfall Sunshine Humidity
See the full Melgar climate overview or explore weather in Colombia.
Where to go in September - average daytime high across popular destinations.
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