Mexico City in September
In September, Mexico City averages 23°C (73°F) during the day and 12°C (54°F) at night, with frequent rain — about 18 days of the month see precipitation (156 mm total).
Conditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.
September offers comfortable temperatures in Mexico City, with some rain to plan around.
23°C
Avg high
12°C
Avg low
18
Rain days
156 mm
Rainfall
Mexico City in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 22°C / 72°F | 6°C / 43°F | 8 mm | 2 | — |
| February | 24°C / 75°F | 7°C / 45°F | 5 mm | 2 | — |
| March | 26°C / 79°F | 9°C / 48°F | 13 mm | 3 | — |
| April | 27°C / 81°F | 11°C / 52°F | 23 mm | 5 | — |
| May | 27°C / 81°F | 12°C / 54°F | 53 mm | 9 | — |
| June | 25°C / 77°F | 13°C / 55°F | 119 mm | 16 | — |
| July | 23°C / 73°F | 12°C / 54°F | 175 mm | 19 | — |
| August | 23°C / 73°F | 12°C / 54°F | 173 mm | 18 | — |
| September | 23°C / 73°F | 12°C / 54°F | 156 mm | 18 | — |
| October | 23°C / 73°F | 10°C / 50°F | 51 mm | 9 | — |
| November | 22°C / 72°F | 8°C / 46°F | 13 mm | 3 | — |
| December | 22°C / 72°F | 6°C / 43°F | 8 mm | 2 | — |
Other cities with similar September weather
Check the live 10-day forecast and sunrise/sunset.