Transit Desk

Climate

Weather in Mexico in September

Weather in Mexico, September
In September, Mexico sees average highs of 22.9°C (73°F) and lows of 12.7°C (55°F), with around 257 mm of rain.

Mexico — September

Mexico September
Daytime high
22.9°C (73°F)
Overnight low
12.7°C (55°F)
Rainfall
257 mm
Best-time rank
Off-peak

How September compares

Mexico, September vs. the annual average (2025)
This month22.9°C (73°F) / 12.7°C (55°F) · 257 mm
Yearly average24.6°C (76°F) / 11.1°C (52°F) · 97 mm

September in Mexico runs 1.7°C (3.1°F) cooler than the yearly average, and is wetter than the yearly average. Pack a warm jacket for cooler conditions, and something waterproof — this is a wetter month.

Common questions

What is the weather like in Mexico in September?

Average highs of 22.9°C (73°F) and lows of 12.7°C (55°F), with around 257 mm of rain.

Is September a good time to visit Mexico?

It is an off-peak month for comfort in Mexico; March, April, May tend to be more pleasant.

Updated climate normals, 2025