It looks like chernaudi already mentioned this but we'll assuredly be getting quite a bit of rain on Saturday, with thunderstorms developing in the afternoon. Sad because I (and most everyone else, I hope) would have liked to see this debut go as smoothly as possible but it's unsurprising, really -- September is one of the rainiest months of the year in Mexico City, at least according to
this climate data.
Here's the forecast (it auto-updates):
https://weather.com/weather/tenday/l...+MXDF0132:1:MX