Mexico City Weather in September
24.1°C high · 11.4°C low · 117 mm rain · 7.6h sun
Sep is a warm month in Mexico City — not peak season, but a good time to avoid crowds.
September at a glance
| Metric | Value |
|---|---|
| Average high | 24.1°C |
| Average low | 11.4°C |
| Rainfall | 117 mm |
| Sunshine | 7.6 hours/day |
| Daylight | 12.1 hours |
What to pack in September
Pack comfortable clothes with a light layer for evenings, plus a raincoat and umbrella for Mexico City in September.
Mexico City weather by month
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Frequently asked questions
What is the weather in Mexico City in September?
Highs of 24.1°C and lows of 11.4°C, with about 117 mm of rain and 7.6 hours of sunshine per day.
Is September a good time to visit Mexico City?
Sep is a warm month in Mexico City — not peak season, but a good time to avoid crowds.
What to do in Mexico City · Best time to visit Mexico City
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.