Mexico weather in September
Long-run climate averages for Mexico in September, plus what the forecast models say for the days ahead.
In September, Mexico averages 31°C by day and 25°C at night. The wettest month is usually June.
September in Mexico averages a daytime high of 31°C and an overnight low of 25°C, which reads as hot for this part of the world. Across the whole year Mexico sees roughly 1463 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Mexico forecast with every model compared and how much they currently agree.
Mexico weather by month
what to expect in Mexico through the yearHere is Mexico's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Mexico by season.
Common questions
How warm is Mexico in September?
Is September a good time to visit Mexico?
Does it rain a lot in Mexico in September?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .