Mendoza Weather in September
In September, Mendoza averages a high of 22°C (72°F) and a low of 8°C (46°F), based on 55 years of historical weather data from MENDOZA OBSERVATORIO.
22°C
Average high
72°F
8°C
Average low
46°F
37°C
Record high
98°F · 2018
-3°C
Record low
27°F · 1993
What to Expect in Mendoza in September
Typical September days in Mendoza reach 22°C (72°F) during the afternoon and cool to around 8°C (46°F) overnight. On average, measurable rain falls on about 12% of days this month. Over the past 55 years, September temperatures in Mendoza have ranged from a record high of 37°C (2018) down to a record low of -3°C (1993).
For a day-by-day look or other months, see the full Mendoza weather history.