Weather in Cartagena for September 2025
Until now, September 2025 in Cartagena has been nearly identical to the historical average, with a temperature of 28.1 °C (showing only a slight deviation of 0.5 °C).
Expect cooler weather in the next days in Cartagena with the forecast suggesting a temperature of 26.4 °C, lower than the historical average.
In general, the average temperature in Cartagena at the beginning of September is 27.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 25 °C by the end of September.
With an average of 4 rainy days, Cartagena experiences minimal rainfall in September.
Is September a good time to visit Cartagena? check out the best time to travel to Cartagena page.
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Cartagena Weather September
Temperatures trend during September in Cartagena
September weather in Cartagena day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 29° /23° | 0 mm | 7 | |
| 2 Sept. |  Light rain shower | 27° /23° | 1 mm | 6 | |
| 3 Sept. |  Patchy light rain with thunder | 28° /22° | 15.5 mm | 7 | |
| 4 Sept. | Patchy rain possible | 28° /23° | 0.2 mm | 6 | |
| 5 Sept. | Patchy rain possible | 27° /22° | 0.3 mm | 6 | |
| 6 Sept. | Patchy rain possible | 27° /23° | 0.3 mm | 6 | |
| 7 Sept. |  Cloudy | 28° /23° | 0 mm | 6 | |
| 8 Sept. | Sunny | 28° /23° | 0 mm | 7 | |
| 9 Sept. | Sunny | 27° /22° | 0.8 mm | 7 | |
| 10 Sept. |  Moderate rain at times | 28° /22° | 0.6 mm | 6 | |
| 11 Sept. | Sunny | 27° /23° | 0.3 mm | 7 | |
| 12 Sept. | Sunny | 27° /22° | 0 mm | 7 | |
| 13 Sept. |  Partly cloudy | 27° /22° | 0.3 mm | 6 | |
| 14 Sept. | Partly cloudy | 26° /22° | 0.4 mm | 6 | |
| 15 Sept. | Sunny | 28° /23° | 0 mm | 1.7 | |
| 16 Sept. | Sunny | 28° /23° | 0 mm | 1.7 | |
| 17 Sept. | Sunny | 28° /23° | 0 mm | 1.7 | |
| 18 Sept. | Sunny | 28° /23° | 0 mm | 1.6 | |
| 19 Sept. | Sunny | 27° /23° | 0 mm | 1.5 | |
| 20 Sept. | Patchy rain possible | 27° /23° | 0.1 mm | 5 | |
| 21 Sept. | Partly cloudy | 25° /23° | 0 mm | 6 | |
| 22 Sept. | Sunny | 26° /22° | 0 mm | 6 | |
| 23 Sept. | Sunny | 27° /22° | 0 mm | 6 | |
| 24 Sept. | Partly cloudy | 25° /23° | 0 mm | 6 | |
| 25 Sept. | Patchy rain possible | 25° /21° | 0.3 mm | 5 | |
| 26 Sept. | Sunny | 25° /21° | 0 mm | 6 | |
| 27 Sept. | Sunny | 24° /21° | 0.1 mm | 6 | |
| 28 Sept. | Sunny | 26° /21° | 0 mm | 6 | |
| 29 Sept. | Sunny | 25° /19° | 0 mm | 7 | |
| 30 Sept. | Sunny | 25° /19° | 0 mm | 7 | |
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Cartagena weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 30°/24° | 26°/22° | 24°/19° |
| Rainfall | 6 mm | 36 mm | 29 mm |
| Wind | 21.1 km/h | 22.2 km/h | 23.3 km/h |
| Humidity | 67% | 68% | 68% |
| Rainy days | 2 days | 4 days | 7 days |
| Dry days | 29 days | 26 days | 24 days |
Planning a trip to Cartagena? Discover the best time to visit
Cartagena in September - FAQ
What to pack to Cartagena in September?
As you prepare for your trip to Cartagena in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Cartagena, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Cartagena
UV exposure in Cartagena during September
Quick links
Where is Cartagena?Get accurate weather forecasts for Cartagena, located at latitude 37.602 and longitude -0.984. Stay updated with localized weather information tailored for Cartagena.