Pasto Weather in September
September in Pasto typically sees daytime highs of 20°C (68°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Pasto in September
Records from the past 30 years suggest around 13 days of rain, with 124 mm (4.9 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Pasto in September
In September, expect pleasant temperatures in Pasto, with highs of 20°C (68°F) and lows of 10°C (50°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Pasto in September
The area experiences a moderate amount of sunshine, with approximately 101 hours of sunlight expected. This means a decent mix of sun and overcast.If you prefer dry days with pleasant temperatures, August typically offers 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 Pasto's climate page.
Pasto Temperature in September
Daily Historical Temperatures
44-year average (1976-2025)
Based on our historical records, temperatures in Pasto typically stay consistent throughout September, with daily highs averaging around 20°C (68°F). Nights are cool, with lows around 11°C (52°F).
Average temperatures in September
Historical weather for Pasto in September
Browse day-by-day weather records for Pasto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Pasto historical weather extremes in September
Based on weather observations in Pasto between 2004 and 2025, these are the recorded extremes during September.
- Pasto recorded its highest September temperature of 29°C (84°F) on September 17, 2005.
- On September 22, 2004, Pasto saw its coldest September day with temperatures maxing out at 14°C (57°F).
- Pasto registered its coldest September night on September 13, 2015, with temperatures dropping to 2°C (36°F).
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 Pasto in September
For Pasto 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Pasto 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 Pasto's climate page.
Temperature Rainfall Sunshine Humidity
See the full Pasto climate overview or explore weather in Colombia.