Cartagena de Indias (Cartagena)
September
Weather in Cartagena de Indias for September 2026
Your guide to Cartagena de Indias weather in September - trends and predictions
Alerta por incendios de la cobertura vegetal - See hour by hour.
So far, September 2026 in Cartagena de Indias is slightly warmer than the historical average by 0.6 °C.
The forecast for the next days in Cartagena de Indias predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Cartagena de Indias at the beginning of September is 29.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.9 °C by the end of September.
Cartagena de Indias experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 343.8 mm.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
2
Dry days
28
Rainy days
0
Snow days
29°/26°
Temperatures
17 km/h
Avg max wind
79 %
Avg humidity
Cartagena de Indias Weather September
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Temperatures trend during September in Cartagena de Indias
See the weather trend as well as the moving average line
September weather in Cartagena de Indias day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 29° /25° | 8.3 mm | 6 | |
| 2 Sept. |  Light rain shower | 29° /26° | 11.9 mm | 7 | |
| 3 Sept. |  Patchy light rain with thunder | 29° /26° | 14.6 mm | 8 | |
| 4 Sept. | Light rain shower | 29° /26° | 12.4 mm | 8 | |
| 5 Sept. | Light rain shower | 29° /25° | 8.8 mm | 8 | |
| 6 Sept. | Patchy light rain with thunder | 30° /25° | 10.7 mm | 8 | |
| 7 Sept. | Light rain shower | 29° /26° | 8.9 mm | 5 | |
| 8 Sept. | Patchy light rain with thunder | 29° /26° | 5.8 mm | 6 | |
| 9 Sept. | Patchy rain possible | 30° /26° | 4.7 mm | 8 | |
| 10 Sept. |  Torrential rain shower | 30° /26° | 12.6 mm | 5 | |
| 11 Sept. | Patchy rain possible | 30° /27° | 9.9 mm | 5 | |
| 12 Sept. | Light rain shower | 29° /26° | 9.7 mm | 5 | |
| 13 Sept. |  Moderate or heavy rain shower | 30° /26° | 11.6 mm | 6 | |
| 14 Sept. | Patchy rain possible | 30° /26° | 8.6 mm | 5 | |
| 15 Sept. | Light rain shower | 30° /26° | 12 mm | 5 | |
| 16 Sept. |  Patchy light drizzle | 30° /26° | 5.6 mm | 5 | |
| 17 Sept. | Light rain shower | 31° /26° | 6.5 mm | 7 | |
| 18 Sept. | Patchy rain possible | 30° /26° | 13.5 mm | 6 | |
| 19 Sept. | Light rain shower | 29° /26° | 12.1 mm | 5 | |
| 20 Sept. | Patchy rain possible | 29° /26° | 8.5 mm | 5 | |
| 21 Sept. | Patchy light rain with thunder | 30° /26° | 12.1 mm | 5 | |
| 22 Sept. |  Thundery outbreaks possible | 29° /26° | 8.6 mm | 6 | |
| 23 Sept. | Patchy light rain with thunder | 29° /26° | 16.4 mm | 7 | |
| 24 Sept. | Thundery outbreaks possible | 30° /26° | 5.1 mm | 5 | |
| 25 Sept. | Light rain shower | 29° /26° | 6.7 mm | 5 | |
| 26 Sept. |  Overcast | 28° /27° | 13.1 mm | 7.5 | |
| 27 Sept. | Overcast | 28° /26° | 3.4 mm | 7.2 | |
| 28 Sept. | Overcast | 28° /26° | 9.1 mm | 10.7 | |
| 29 Sept. |  Sunny | 29° /27° | 0 mm | 11.3 | |
| 30 Sept. | Light rain shower | 30° /28° | 18.1 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Cartagena de Indias in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cartagena de Indias forecast closer to your planned date for the most up-to-date weather information.
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Cartagena de Indias in September - FAQ
What are the expected maximum and minimum temperatures in Cartagena de Indias during September?
During September, expect a variety of temperatures with highs around 29° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cartagena de Indias during September?
Significant rainfall exceeding 343.8 mm is expected in Cartagena de Indias during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cartagena de Indias during September?
The average wind speed in Cartagena de Indias during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Cartagena de Indias water temperatures in September
The average water temperature of the Caribbean Sea near Cartagena de Indias in September is 28 °C. At the beginning of September temperatures are around 27.9 °C; by the end of the month they stay fairly steady and reach 28.1 °C.
- What is the water temperature in Cartagena de Indias in September?
- The average water temperature in Cartagena de Indias in September is 28 °C.
- Can you swim in Cartagena de Indias in September?
- Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.
September rainfall patterns in Cartagena de Indias
Explore the daily rainfall trends and prepare for Cartagena de Indiass September weather 💧
Typically, Cartagena de Indias has 28 rainy days in September with a total of 343.8 mm of rainfall.
UV exposure in Cartagena de Indias during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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