Mexico City Weather in September

What's the weather like in Mexico City, Mexico in September 2018?

The climate in Mexico City during September can be summarized as mild and damp.

September is in the fall / autumn in Mexico City and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 11°C (52°F) is normal.

Mexico City weather averages (imperial / metric)
Daytime temperature 23.2°C 73.7°F
Nightly temperature 10.9°C 51.5°F
Average temperature 17°C 62.6°F
Daily sunshine 4.6 hrs
Avg rainfall 109 mm 4.3 ins
Rainy days 16 days
Sea temperature 29.4°C 84.9°F
Humidity 74%
Windspeed 5.8kph 4 mph

On average September is the 3rd wettest month of the year in Mexico City with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.6 hours of sunshine per day.

September temperatures in Mexico City

September rainfall

September hourly sunshine

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in September 2018.

Other monthly averages

Mexico City weather stats

Mexico City weather statistics
Hottest month: May 26.5°C 79.7°F
Driest month: February 4mm 0.2ins
Sunniest month: February 7.4hrs
Coldest month: January 21.8°C 71.2°F
Wettest month: July 131mm 5.2ins
Map showing location of Mexico City (19.42847, -99.12766)

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