Mexico in September

September29°C average high

September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.

Warmest monthsApril to August

This stretch sets the upper range for average daytime heat.

September181mm average rain

September is one of Mexico's wettest months, so rain is likely to be a major planning factor.

Driest monthsJanuary to May and November to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

September5.9 hours average sun

September is one of Mexico's cloudier months, so sunshine-led plans are less reliable.

Brightest monthsFebruary to July and November

This stretch has the strongest sunshine in the monthly averages.

September9°C average sea

September is below Mexico's yearly sea-temperature average, so swimming can feel fresher.

Warmest seaMay to July

Sea temperatures are usually near 12°C in this stretch, so swimming comfort is at its strongest.

September55 weather score

September is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.

Best weather monthsFebruary to May and November

These months have the strongest weather score in the monthly averages.