San Luis Potosí Weather in September

San Luis Potosí in September sees high daytime temperatures of 25°C (77°F) and nighttime lows of 14°C (57°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in San Luis Potosí in September

Being the wettest month, having an umbrella on standby can help you avoid getting caught in the rain. Typically, about 7 days will experience rainfall, with an average of 102 mm (4 in) for the month. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.

Temperature in San Luis Potosí in September

Daytime temperatures in San Luis Potosí reach 25°C (77°F) in September, dropping to 14°C (57°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in San Luis Potosí in September

Expect a lot of sunshine this month, with about 195 hours of sun. These sunny conditions add to the overall experience.

If you prefer enjoying temperate temperatures and rain-free days, January, February, March, April, June, July, August, October, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.