Weather in Cartagena in September
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in Cartagena.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youCartagena in September is hot — daytime temperatures average 29.8°C, dropping to 25.1°C at night. The month is fairly wet (23 rainy days on average), with roughly 9.3 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Cartagena — every month compared. Once you know when to go, find your Cartagena packing list at 247PackingList.
Get ready for Cartagena in September
Search flights to Cartagena
Compare 100+ airlines for September — one search, best price.
Search Flights →Lightweight travel clothing
Lightweight, breathable clothing and a compact travel umbrella are essential in this climate.
Check Price →What to pack for Cartagena in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Cartagena
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 31.8°C | 14.6mm | 10/10 |
| February | 32.4°C | 9.6mm | 10/10 |
| March | 32.4°C | 20.4mm | 10/10 |
| April | 31.5°C | 69.1mm | 10/10 |
| May | 31.0°C | 131.0mm | 9/10 |
| June | 29.9°C | 178.9mm | 9/10 |
| July | 30.6°C | 161.2mm | 9/10 |
| August | 29.8°C | 169.8mm | 9/10 |
| September | 29.8°C | 136.2mm | 9/10 |
| October | 29.4°C | 231.0mm | 8/10 |
| November | 28.9°C | 205.4mm | 8/10 |
| December | 30.7°C | 20.4mm | 10/10 |
Full month-by-month guide: best time to visit Cartagena →
For facts about Colombia — currency, language and dialling code — see our Colombia country guide at 247CountryInfo. Travellers also find it useful to keep a Cartagena travel guide to hand. Check clothing sizes in Colombia before you shop.
Frequently Asked Questions
Is September a good time to visit Cartagena?
September rates 9/10 for visiting Cartagena — excellent time to visit. Expect average highs of 29.8°C, 136.2mm of rain across the month and about 9.3 hours of daily sunshine.
What is the temperature in Cartagena in September?
In September, Cartagena has average highs of 29.8°C (85.6°F) and average lows of 25.1°C (77.2°F).
Does it rain in Cartagena in September?
Some rain is likely. Cartagena averages 136.2mm across about 23 rainy days in September, so a light waterproof layer is worth packing.
What should I wear in Cartagena in September?
For Cartagena in September (29.8°C highs / 25.1°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for Cartagena in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.