September Weather in Cartagena, Philippines

Last updated: August 27, 2025

In September, the average temperature in Cartagena, Philippines hovers around 27°C (80°F), with minimums plummeting to 24°C (75°F) and maximums soaring to 31°C (89°F). Expect significant rainfall, with a total precipitation of 446 mm (17.6 in) spread over 28 days, complemented by a high average humidity of 84%.

September Temperature in Cartagena

In September in Cartagena, the average temperature is 27°C (80°F), with maximums reaching 31°C (89°F) and minimums dropping to as low as 24°C (75°F). This makes it an ideal time for travelers looking to enjoy warm and pleasant weather.

September Weather in Cartagena: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cartagena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cartagena, September typically has an average temperature of 27°C (80°F), with highs reaching up to 31°C (89°F) and lows dropping to around 24°C (75°F).

Data source: Temperature data for Cartagena generated using information from the Copernicus Climate Change Service.

September Precipitation in Cartagena

In Cartagena in September, the total precipitation amount reaches 446 mm (17.6 in) over a span of 28 days.

September Precipitation Trends in Cartagena

The chart displays monthly precipitation patterns in Cartagena, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Cartagena, September typically receives around 446 mm (17.6 inches) of precipitation spread over approximately 28 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Cartagena

In Cartagena in September, humidity is 84%. With an average temperature of 27°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel sluggish and exhausting.

September Average Humidity in Cartagena

This chart illustrates the average monthly humidity levels in Cartagena, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Cartagena is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cartagena

In Cartagena in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Cartagena.

Maximum UV Index Levels in Cartagena for September

The chart shows the monthly maximum UV Index (UVI) for Cartagena in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Cartagena typically reaches 15, which falls under the extreme exposure category.

Data source: Cartagena September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Cartagena Compares to Other Months

Weather in Cartagena varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Cartagena, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Cartagena, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	118 mm (4.6 inches)	83%	extreme
February Weather	26°C (80°F)	101 mm (4.0 inches)	81%	extreme
March Weather	27°C (81°F)	90 mm (3.5 inches)	80%	extreme
April Weather	28°C (82°F)	130 mm (5.1 inches)	79%	extreme
May Weather	28°C (82°F)	289 mm (11.4 inches)	77%	extreme
June Weather	27°C (81°F)	373 mm (14.7 inches)	78%	extreme
July Weather	27°C (80°F)	469 mm (18.5 inches)	79%	extreme
August Weather	27°C (80°F)	404 mm (15.9 inches)	80%	extreme
September Weather	27°C (80°F)	446 mm (17.6 inches)	84%	extreme
October Weather	27°C (80°F)	397 mm (15.6 inches)	79%	extreme
November Weather	27°C (81°F)	223 mm (8.8 inches)	80%	extreme
December Weather	27°C (80°F)	218 mm (8.6 inches)	84%	extreme