Last updated: August 27, 2025
In September, the average temperature in Jose Maria Morelos (Santa Monica), Mexico is a pleasant 18°C (65°F), with a minimum dipping to 9°C (48°F) and a maximum soaring to 28°C (83°F). Expect moderate precipitation totaling 124 mm (4.9 in) over 18 days, coupled with an average humidity of 86%, creating a humid atmosphere that adds to the region's unique charm.
In September in Jose Maria Morelos (Santa Monica), the average temperature is 18°C (65°F), with maximums reaching 28°C (83°F) and minimums dropping as low as 9°C (48°F). This pleasant climate makes Jose Maria Morelos (Santa Monica) an ideal destination for outdoor activities and exploration during this time.
In Jose Maria Morelos (Santa Monica) in September, the precipitation amount is 124 mm (4.9 in) over a span of 18 days.
In Jose Maria Morelos (Santa Monica) in September humidity is 86%. With an average temperature of 18°C (65°F), this humidity feels like you’re wrapped in a warm, heavy blanket, making outdoor activities feel quite muggy and sticky for traveling.
In Jose Maria Morelos (Santa Monica) 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 Jose Maria Morelos (Santa Monica), you can check here.
UV Risk Categories
Weather in Jose Maria Morelos (Santa Monica) varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jose Maria Morelos (Santa Monica), focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (54°F) | 15 mm (0.6 inches) | 71% | very high |
| February Weather | 15°C (58°F) | 11 mm (0.4 inches) | 64% | extreme |
| March Weather | 18°C (64°F) | 6 mm (0.2 inches) | 49% | extreme |
| April Weather | 20°C (68°F) | 10 mm (0.4 inches) | 47% | extreme |
| May Weather | 22°C (72°F) | 18 mm (0.7 inches) | 55% | extreme |
| June Weather | 22°C (72°F) | 62 mm (2.4 inches) | 77% | extreme |
| July Weather | 20°C (69°F) | 128 mm (5.0 inches) | 82% | extreme |
| August Weather | 21°C (69°F) | 64 mm (2.5 inches) | 83% | extreme |
| September Weather | 18°C (65°F) | 124 mm (4.9 inches) | 86% | extreme |
| October Weather | 18°C (64°F) | 53 mm (2.1 inches) | 83% | extreme |
| November Weather | 15°C (59°F) | 15 mm (0.6 inches) | 80% | very high |
| December Weather | 12°C (54°F) | 10 mm (0.4 inches) | 83% | very high |