Mexico City Weather in September
In September, Mexico City averages a high of 23°C (74°F) and a low of 12°C (54°F), based on 18 years of historical weather data from TACUBA 7.
23°C
Average high
74°F
12°C
Average low
54°F
30°C
Record high
86°F · 1987
2°C
Record low
35°F · 1975
What to Expect in Mexico City in September
Typical September days in Mexico City reach 23°C (74°F) during the afternoon and cool to around 12°C (54°F) overnight. On average, measurable rain falls on about 44% of days this month. Over the past 18 years, September temperatures in Mexico City have ranged from a record high of 30°C (1987) down to a record low of 2°C (1975).
For a day-by-day look or other months, see the full Mexico City weather history.