Cartagena weather

Our guide to the weather in Cartagena during September

27

Average high

6

UV Index

60mm

Monthly rainfall

25

Sea temperature

We've looked at the most up-to-date weather data for Cartagena, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Cartagena weather in September.

How warm is it in Cartagena during September?

The temperature is extremely stable in September with average highs of 27℃ and lows just 4℃ lower at 23℃. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Cartagena during September?

September is typically the wettest month in Cartagena. On average, there will be 2 rainy days during the month, amounting to 59.6mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Cartagena during September?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during September. With moderate humidity, any breeze will have a welcome cooling effect.

How warm is the sea in Cartagena during September?

The water around Cartagena reaches a very pleasant 25℃ during September. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature will mean that you will feel comfortably warm when coming out of the water.

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Weather in Cartagena

Our month-by-month guide to the weather and climate in Cartagena

15.5

Cartagena weather in

January
15.7

Cartagena weather in

February
16.6

Cartagena weather in

March
18.4

Cartagena weather in

April
21.6

Cartagena weather in

May
25.2

Cartagena weather in

June
28.0

Cartagena weather in

July
28.7

Cartagena weather in

August
26.7

Cartagena weather in

September
23.6

Cartagena weather in

October
19.4

Cartagena weather in

November
16.7

Cartagena weather in

December