Cali weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Fair
Best time to visit: September – July
What is the weather like in Cali in September?
In September, Cali is hot: daytime highs average 27 °C, and nights cool down to about 18 °C. The sun is scarce, with only about 2 hours a day. It is the rainy season: rain falls on about 30 days, totalling 931 mm. All in all, September is a so-so month for a holiday in Cali.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 46 | 49 | 50 |
| Day | 28° | 27° | 26° |
| Night | 18° | 18° | 19° |
| Sun | 3 h | 2 h | 2 h |
| Rain days | 31 | 30 | 31 |
More details for September
- Daylight
- 12 h 8 min05:57 – 18:06
- UV index
- 15 · extremeclear sky, noon (estimate)All months
- Muggy days
- 12 daysdew point 18 °C or moreAll months
- Wind
- 8 km/haverage daily peakAll months
- Cloud cover
- 97 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC−5America/Bogota
How the score comes together
- Temperatureweight 50 %98 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Rain jacket or umbrella
Cali in September: quick answers
Is Cali hot in September?
Yes. In September, Cali is hot: daytime highs average 27 °C and nights stay around 18 °C.
Does it rain much in Cali in September?
It rains often – on about 30 days, adding up to 931 mm.
Cali month by month
The whole year in CaliAll destinations: ColombiaWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences