Seveso Weather in September

September in Seveso averages 24°C (75°F) during the day and 15°C (59°F) at night. Quite a bit of rainfall is typical this month, with around 150 mm (5.9 in) on average. An umbrella is a good idea.

Rainfall in Seveso in September

This month experiences about 10 days of rain according to historical data, averaging 150 mm (5.9 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Seveso in September

Daytime temperatures in Seveso reach 24°C (75°F) in September, dropping to 15°C (59°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Seveso in September

The area experiences a moderate amount of sunshine, with approximately 189 hours of sunlight expected. This means a decent mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, May, June, August and September typically offer the best circumstances for Seveso.