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Leticia in September sees very high daytime temperatures of 32°C (90°F) and nighttime lows of 23°C (73°F). As part of the rainy season, showers are frequent and often heavy. Budget around 186 mm (7.3 in) of rainfall for the month.
If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Leticia. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Leticia - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Leticia typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 22°C (72°F).
Browse day-by-day weather records for Leticia 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 Leticia from 1991 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! Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Leticia climate overview or explore weather in Colombia.
Where to go in September - average daytime high across popular destinations.
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