Is Mexico City hot in September?
Days are typically mild at 23.5°C, while nights average 11.2°C.
Mexico · 1991–2020 normal
Mexico City in
September.
Typical September weather in Mexico City: 23.5°C by day, 11.2°C at night, 99 mm of rain over 11.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high23.5°C
Typical low11.2°C
Rain99 mm
Wet days11.1
In the year-round weather comparison, September scores 75 out of 100 (February leads the year at 84). Daylight is calculated as 12 h 14 from latitude 19.43°.
September at a glance
What is Mexico City like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 99 mm across about 11 wet days.
How much daylight is there?
There are about 12 h 14 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 7 of 12 in our weather comparison; February ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 3530597
- NOAA station
- MXN00009029 · GRAN CANAL KM. 06+250
- Station distance
- 6.3 km from the place centre
- Coverage
- Good coverage · 20 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Mexico City is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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