September · Mexico
Best time to visit Oaxaca in September Weather, crowds & prices
Weather in Oaxaca in September
Average temperature 19°C, 193 mm of rain, about 27 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.7/10
Ranked #12 of 12 months
- Avg temp
- 19°C
- Rainfall
- 193 mm
- Humidity
- 79%
- Days with 6h+ sun
- 27
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Oaxaca scores 6.7/10 for sightseeing and cultural travel - ranked #12 of 12. Expect around 19°C, 193 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Oaxaca's highland capital pairs a lively zócalo with Zapotec ruins, textile markets, and a deep mezcal tradition.
September in Oaxaca: mixed conditions, plan around the weather
At 19°C (66°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
193 mm of rain makes this a wet month here, though with about 27 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 6.7/10 on the same scale — 12th of 12 months, versus 9.9/10 for the best month here.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, March is materially better in Oaxaca — 3.2 points higher on the same scale.
Frequently asked
- What is the weather like in Oaxaca in September?
- In September, Oaxaca averages 19°C, 193 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 6.7/10.
- Is September a good time to visit Oaxaca?
- September earns a 6.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Oaxaca in September?
- Expect about 193 mm of rain in September. Average humidity is 79% and there are about 27 days with 6+ hours of sunshine.
Curated in Oaxaca
Tickets & experiences
Things to do in Oaxaca
Oaxaca, Mexico. Live activities and tours from GetYourGuide, matched to this destination.