Is Tonalá hot in September?
Days are typically warm at 27.6°C, while nights average 15.9°C.
Mexico · 1991–2020 normal
Typical September weather in Tonalá: 27.6°C by day, 15.9°C at night, 192 mm of rain over 14.3 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, September scores 54 out of 100 (January leads the year at 88). Daylight is calculated as 12 h 14 from latitude 20.62°.
September at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically warm at 27.6°C, while nights average 15.9°C.
The measured monthly average is 192 mm across about 14 wet days.
There are about 12 h 14 between sunrise and sunset at mid-month, calculated from the place latitude.
September ranks 9 of 12 in our weather comparison; January ranks first.
The evidence behind this page
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The weather comparison for Tonalá is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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