Weather in Santa Marta in September 2025
- September is usually the hottest month of the year in Santa Marta;
Average weather
Average temperature in Santa Marta in September
Going from a maximum of +32°C during the day to a minimum of +26°C during the night, the temperature in September averages around +31°C.
The average maximum temperature goes down 17% by the end of the month, compared with the beginning of the month, from +32°C to +31°C.
Is Santa Marta warm or cold in September?
Santa Marta is typically warm in September.
Maximum temperatures go up compared to the previous month from +29°C to +29°C. The minimum temperature also goes up from +26°C to +26°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is the hottest month in Santa Marta, here is the comparison with other months:
Climate in Santa Marta in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +29°C | +28°C | ||||
| Min. temperature | ||||||
| +24°C | +24°C | +23°C | ||||
| Max. temperature | ||||||
| +33°C | +34°C | +33°C | ||||
| Rainfall | ||||||
| 95 mm | 141 mm | 213 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 83% | 83% | 84% | ||||
| Air pressure | ||||||
| 1009 HPa | 1009 HPa | 1009 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 8 | 4 | 3 | ||||
| Rainy days | ||||||
| 13 | 14 | 18 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. The temperature levels stay the same in the area of +29°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 95 mm to 141 mm. Humidity levels don’t change as the month goes on, averaging around 83%. Winds are calmer in comparison to August, going down from 4 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Santa Marta is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Santa Marta?
Climate Change over Years
The climate in Santa Marta in September has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+27°C) and the highest in 2012 (+30°C). The driest year was 2015 with only 338 mm of rainfall, and the wettest year was 2010 with 2006 mm.
FAQ
Is September a good time to visit Santa Marta?
Can you sunbathe in Santa Marta in September?
Is Santa Marta rainy in September?
Is it sunny in Santa Marta in September?
Other cities in Colombia
Monthly weather in Santa Marta
Source of the data
For this page, we’ve looked at the typical weather in Santa Marta, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.