The highest day temperature in September 2026 was 71°F. The lowest night temperature was 48°F. The average values for day and night temperatures during September were 65.0°F и 49.1°F respectivly.

Most of the days in September are gloomy but you can also expect sunny days.

Precipitation total in September for San Juan de Pasto is 1.3 in. It makes september the least rainy month of the year.

The average wind speed in September is 5.2 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Juan de Pasto in September is 4.4 hours.