Castel San Gimignano Weather in September

During September, Castel San Gimignano experiences high daytime temperatures of 26°C (79°F) and cooler nights around 15°C (59°F). Expect quite a bit of rainfall. Around 106 mm (4.2 in) is typical.

Rainfall in Castel San Gimignano in September

Typically around 9 days of rainfall are expected, averaging 106 mm (4.2 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Castel San Gimignano in September

September in Castel San Gimignano brings high temperatures, with highs of 26°C (79°F) and nights around 15°C (59°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 15°C (59°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 Castel San Gimignano in September

The city usually sees around 220 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Should you favor a climate that's both dry and comfortably warm, May and June typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.