Climate guide for San Gimignano, Italy

San Gimignano in September

Weather, crowds & best time to visit

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September · Italy

Best time to visit San Gimignano in September Weather, crowds & prices

Weather in San Gimignano in September

Average temperature 21°C, 60 mm of rain, about 15 days with 6+ hours of sunshine and 66% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

8.7/10

Ranked #4 of 12 months

Full year for San Gimignano
Avg temp
21°C
Rainfall
60 mm
Humidity
66%
Days with 6h+ sun
15
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in San Gimignano scores 8.7/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 21°C, 60 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.

San Gimignano’s medieval towers spike a Tuscan hill town-stone lanes, Vernaccia wine, and countryside views. Best window: April-June and September-October.

September in San Gimignano — one of the year's strongest windows (4th)

September averages 21°C (69°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Rainfall runs 60 mm, so plan one flexible day in three; you still get about 15 days with 6+ hours of sunshine and 12.3 hours of daylight.

A 8.7/10 puts this among the year's best months in San Gimignano (4th of 12); only May scores higher, at 9.5/10.

Pack light clothing, a hat and real sun protection, a packable rain layer.

Plan for mid-season pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in San Gimignano in September?
In September, San Gimignano averages 21°C, 60 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 8.7/10.
Is September a good time to visit San Gimignano?
September earns a 8.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in San Gimignano in September?
Expect about 60 mm of rain in September. Average humidity is 66% and there are about 15 days with 6+ hours of sunshine.

Curated in San Gimignano

Tickets & experiences

Things to do in San Gimignano

San Gimignano, Italy. Live activities and tours from GetYourGuide, matched to this destination.