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Climate · Oaxaca

Oaxaca in September

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

September in Oaxaca is warm: highs near 79°F, lows near 59°F. Rain falls on about five days a week, less often as the month goes on, and the days shorten by 21 minutes from the first week to the last.September in Oaxaca is warm: highs near 26°C, lows near 15°C. Rain falls on about five days a week, less often as the month goes on, and the days shorten by 21 minutes from the first week to the last.

High
79°F26°Caverage
Low
59°F15°Caverage
Wet days
5a week · 78% of days
Daylight
12h 12mon average

Is September a good time to visit Oaxaca?

September sits outside Oaxaca's best months, which run from November to January. Expect warm days and rain on about five days a week.

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 79°F in September, against 78°F to 89°F through the year.Highs near 26°C in September, against 26°C to 32°C through the year.

Chance of a wet day

78% of days in September, against 4% to 78% through the year.

Cloud cover

83% cover in September, against 40% to 83% through the year.

Daylight

12h 12m in September, against 11h 08m to 13h 08m 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. August81°27°low 59°low 15°5 wet days a weekRain on about five days a week.
  2. September79°26°low 59°low 15°5 wet days a weekRain on about five days a week.
  3. October78°26°low 58°low 14°3 wet days a weekRain on about three days a week.

Where Oaxaca sits, in September

America/Mexico City
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
6:15 AMsets 6:30 PM
Above the sea
1,540 mhigh country
Latitude
17.1°Nnorthern hemisphere
Nearest of ours
Santa María Colotepec131 km south

The land around Oaxaca, 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 Oaxaca

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Oaxaca. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,540 m) against the climate model's (1,869 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,540 m) against the climate model's (1,869 m). 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.