Mar del Plata Weather in September

September in Mar del Plata typically sees daytime highs of 16°C (61°F) and nighttime lows of 7°C (45°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Mar del Plata in September

Looking at the last 30 years, the data shows about 7 days with rain, averaging 64 mm (2.5 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Mar del Plata in September

Daytime highs in Mar del Plata in September reach 16°C (61°F), with nights around 7°C (45°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Mar del Plata in September

The area enjoys a moderate level of sunlight, with around 177 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Mar del Plata in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in September

With water temperatures around 11°C (52°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

If you prefer dry days with pleasant temperatures, January, February, March, April, 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.