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Climate · Mexico City

Mexico City in September

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

September in Mexico City is warm: highs near 72°F, lows near 54°F. Rain falls on about six days a week, less often as the month goes on, and the days shorten by 24 minutes from the first week to the last.September in Mexico City is warm: highs near 22°C, lows near 12°C. Rain falls on about six days a week, less often as the month goes on, and the days shorten by 24 minutes from the first week to the last.

High
72°F22°Caverage
Low
54°F12°Caverage
Wet days
6a week · 81% of days
Daylight
12h 13mon average

Is September a good time to visit Mexico City?

A good month, just outside Mexico City's best months, which run from December to March.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 72°F in September, against 71°F to 81°F through the year.Highs near 22°C in September, against 22°C to 27°C through the year.

Chance of a wet day

81% of days in September, against 11% to 90% through the year.

Cloud cover

82% cover in September, against 37% to 82% through the year.

Daylight

12h 13m in September, against 10h 59m to 13h 17m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. August74°23°low 54°low 12°6 wet days a weekRain on about six days a week.
  2. September72°22°low 54°low 12°6 wet days a weekRain on about six days a week.
  3. October71°22°low 52°low 11°4 wet days a weekRain on about four days a week.

Where Mexico City sits, in September

America/Mexico City
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
6:24 AMsets 6:40 PM
Above the sea
2,220 mhigh country
Latitude
19.4°Nnorthern hemisphere
Nearest of ours
Puebla107 km south-east

The land around Mexico City, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Mexico in September

high · low · wet days
See September on the planning mapThe whole year in Mexico City

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Mexico City. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.