September in Toluca averages a daily high of 21.7°C with nights around 8.1°C. Expect roughly 16.9 wet days totalling 143.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Toluca is November–April.
Based on TOLUCA OBS, MX (4.9km), 1995–2024. 20 years of September data.