Rionegro Weather in September
Thinking of visiting Rionegro in September? Expect high temperatures reaching 25°C (77°F) during the day, dropping to 14°C (57°F) at night. Heavy showers are common during the rainy season.
Rainfall in Rionegro in September
Rionegro is in the rainy season in September, with rain on around 21 days and an average of 241 mm (9.5 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Rionegro in September
Daytime highs in Rionegro in September reach 25°C (77°F), with nights around 14°C (57°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Rionegro in September
The area enjoys a moderate level of sunlight, with around 150 hours. It's a good balance between sunny and rainy days.For Rionegro itself, January, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Rionegro's climate page.
Rionegro Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
25°C (77°F)
Chance of Rain
69%
Precipitation
241 mm (9.5 in)
Rainy days
21 days
Humidity
67% *
Sunshine
150 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rionegro typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are cool, with lows around 14°C (57°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Rionegro in September
Browse day-by-day weather records for Rionegro spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rionegro historical weather extremes in September
Based on weather observations in Rionegro between 1976 and 2025, these are the recorded extremes during September.
- On September 2, 1982, temperatures climbed to 32°C (90°F), marking the warmest September day on record.
- The coldest September day was on September 16, 1986, with a maximum of 16°C (61°F).
- Nighttime temperatures dropped to 7°C (45°F) on September 13, 1991, marking the coldest September night on record.
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 Rionegro in September
For Rionegro in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Rionegro 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 Rionegro's climate page.
Temperature Rainfall Sunshine Humidity
See the full Rionegro climate overview or explore weather in Colombia.
