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Santa Marta Weather in September
Thinking of visiting Santa Marta in September? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 25°C (77°F) at night. Heavy showers are common during the rainy season.
Rainfall in Santa Marta in September
Santa Marta is in the rainy season in September, with rain on around 11 days and an average of 249 mm (9.8 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Santa Marta in September
September in Santa Marta sees highs of 29°C (84°F) and lows of 25°C (77°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Santa Marta in September
With approximately 202 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March and December typically offer the best weather for Santa Marta.
Santa Marta Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
38%
Precipitation
249 mm (9.8 in)
Rainy days
11 days
Humidity
79%
Sunshine
202 hours
Percentage Sunshine
Santa Marta Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santa Marta - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Santa Marta typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Historical weather records for Santa Marta in September
Browse day-by-day weather records for Santa Marta spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Santa Marta historical weather extremes in September
The extremes listed below come from historical weather data collected in Santa Marta from 1976 through 2026.
- Santa Marta recorded its highest September temperature of 38°C (100°F) on September 2, 2003.
- Santa Marta experienced its chilliest September day on September 17, 2008, reaching only 26°C (79°F).
- The lowest overnight temperature recorded in September was 20°C (68°F) (September 20, 2003).
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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Santa Marta in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Santa Marta in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming8/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Santa Marta 3-Day Forecast
More climate data for Santa Marta
Temperature Rainfall Sunshine Humidity
See the full Santa Marta climate overview or explore weather in Colombia.
Popular in September
Where to go in September - average daytime high across popular destinations.
Cartagena
31°C (88°F) Santa Marta29°C (84°F) San Andrés30°C (86°F) Cali27°C (81°F) Medellín25°C (77°F) Pereira24°C (75°F) Bogotá
21°C (70°F) Villa de Leyva
21°C (70°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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