Last updated: August 27, 2025
The average temperature in San Luis, Philippines during September hovers around 27°C (81°F), making it a warm getaway. Expect temperatures to range from a minimum of 23°C (74°F) to a maximum of 32°C (91°F). However, be prepared for some rain, as the area receives an average precipitation of 326 mm (12.8 in) over 26 days. With an average humidity of 85%, it’s a tropical atmosphere that embraces you warmly!
In September in San Luis, the average temperature is 27°C (81°F). The maximum can reach 32°C (91°F), while the minimum can be as low as 23°C (74°F). This pleasant climate makes it an ideal time for outdoor activities and sightseeing.
In San Luis in September, the precipitation amount is 326 mm (12.8 in) over the course of 26 days.
In San Luis in September humidity is 85%. With an average temperature of 27°C (81°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier as sweat clings to your skin and the air feels almost tangible, which can be quite challenging for traveling.
In San Luis 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 San Luis.
UV Risk Categories
Weather in San Luis varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Luis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (78°F) | 378 mm (14.9 inches) | 90% | extreme |
| February Weather | 25°C (77°F) | 311 mm (12.2 inches) | 92% | extreme |
| March Weather | 26°C (78°F) | 183 mm (7.2 inches) | 90% | extreme |
| April Weather | 26°C (80°F) | 124 mm (4.9 inches) | 87% | extreme |
| May Weather | 27°C (81°F) | 204 mm (8.0 inches) | 83% | extreme |
| June Weather | 27°C (81°F) | 291 mm (11.5 inches) | 83% | extreme |
| July Weather | 27°C (80°F) | 364 mm (14.3 inches) | 82% | extreme |
| August Weather | 27°C (81°F) | 278 mm (11.0 inches) | 83% | extreme |
| September Weather | 27°C (81°F) | 326 mm (12.8 inches) | 85% | extreme |
| October Weather | 27°C (80°F) | 311 mm (12.2 inches) | 82% | extreme |
| November Weather | 26°C (80°F) | 227 mm (8.9 inches) | 83% | extreme |
| December Weather | 26°C (79°F) | 239 mm (9.4 inches) | 87% | extreme |