Mendrisio Weather in September

September in Mendrisio brings high temperatures, with highs of 22°C (72°F) and nights dropping to 14°C (57°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Mendrisio in September

Mendrisio is in the rainy season in September, with rain on around 11 days and an average of 174 mm (6.9 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Mendrisio in September

If you're visiting Mendrisio in September, expect highs of 22°C (72°F) and overnight lows around 14°C (57°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Mendrisio in September

You can expect a moderate amount of sunlight, with approximately 189 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Mendrisio.