Last updated: August 27, 2025
In San Luis, Philippines, the average temperature in September reaches a balmy 27°C (81°F), with a minimum of 24°C (76°F) and a maximum of 31°C (89°F). Expect a fair amount of precipitation, with 348 mm (13.7 in) spread over 26 days, contributing to an average humidity of 85%. Get ready for a warm and humid experience!
In September in San Luis, the average temperature is 27°C (81°F). Maximums can reach 31°C (89°F), while minimums can drop to as low as 24°C (76°F). This pleasant climate makes it an ideal time to explore the outdoor attractions and enjoy various activities in San Luis.
In San Luis in September, the total precipitation amount is 348 mm (13.7 in) spread over a duration 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 is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Luis, you can check here.
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) | 65 mm (2.6 inches) | 78% | extreme |
| February Weather | 25°C (78°F) | 42 mm (1.7 inches) | 75% | extreme |
| March Weather | 27°C (80°F) | 45 mm (1.8 inches) | 74% | extreme |
| April Weather | 28°C (82°F) | 24 mm (0.9 inches) | 76% | extreme |
| May Weather | 28°C (83°F) | 120 mm (4.7 inches) | 76% | extreme |
| June Weather | 28°C (82°F) | 262 mm (10.3 inches) | 81% | extreme |
| July Weather | 27°C (81°F) | 374 mm (14.7 inches) | 84% | extreme |
| August Weather | 27°C (81°F) | 261 mm (10.3 inches) | 85% | extreme |
| September Weather | 27°C (81°F) | 348 mm (13.7 inches) | 85% | extreme |
| October Weather | 27°C (81°F) | 234 mm (9.2 inches) | 82% | extreme |
| November Weather | 27°C (80°F) | 175 mm (6.9 inches) | 85% | extreme |
| December Weather | 26°C (79°F) | 233 mm (9.2 inches) | 86% | very high |