Cali Weather in September
September in Cali brings high temperatures, with highs of 27°C (81°F) and nights dropping to 18°C (64°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Cali in September
As part of the rainy season, Cali sees around 14 days of rain in September, with an average of 210 mm (8.3 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in Cali in September
September in Cali sees highs of 27°C (81°F) and lows of 18°C (64°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 18°C (64°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 Cali in September
You can expect a moderate amount of sunlight, with approximately 158 hours. Even though this month is part of the wet season, you can still see the sun occasionally.If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer 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 Cali's climate page.
Cali Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
27°C (81°F)
Chance of Rain
45%
Precipitation
210 mm (8.3 in)
Rainy days
14 days
Humidity
72%
Sunshine
158 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cali typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in September
Historical weather for Cali in September
Browse day-by-day weather records for Cali spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cali historical weather extremes in September
Based on 49 years of weather observations in Cali between 1976 and 2025, these are the recorded extremes.
- The warmest day in September was on September 4, 1980, with a maximum of 38°C (100°F).
- Cali experienced its chilliest September day on September 12, 1981, reaching only 21°C (70°F).
- The lowest overnight temperature recorded in September was 14°C (57°F) (September 4, 2010).
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 Cali in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). 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 Cali 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 Cali's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cali climate overview or explore weather in Colombia.
