What is the weather like in Mar del Plata vs Rosario in September?

In September, Mar del Plata averages 17°C high / 6°C low with about 59 mm of rain; Rosario averages 23°C high / 9°C low with about 39 mm.

Mar del Plata vs Rosario in September

Rosario is the better pick in September — 91 vs 70 on SeasonMap's comfort score. Rosario is nice, a little rain, clean air, while Mar del Plata is cool, a little rain, clean air.

Mar del Plata vs Rosario — September climate, side by side

	🇦🇷 Mar del Plata	🇦🇷 Rosario
Comfort score	70/100 (B)	91/100 (S)
Feels-like high	15°C	22°C
Avg high / low	17° / 6°	23° / 9°
Rainfall	59 mm	39 mm
Rainy days	7	5
Humidity	77%	65%
Air quality (AQI)	27	31

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Mar del Plata vs Rosario in September — FAQ

Is September better in Mar del Plata or Rosario?: Rosario is the better pick in September — 91 vs 70 on SeasonMap's comfort score. Rosario is nice, a little rain, clean air, while Mar del Plata is cool, a little rain, clean air.
What is the weather like in Mar del Plata vs Rosario in September?: In September, Mar del Plata averages 17°C high / 6°C low with about 59 mm of rain; Rosario averages 23°C high / 9°C low with about 39 mm.