Climate guide for Borgo Maggiore, San Marino

Borgo Maggiore in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · San Marino

Best time to visit Borgo Maggiore in September Weather, crowds & prices

Weather in Borgo Maggiore in September

Average temperature 21°C, 93 mm of rain, about 15 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

7.9/10

Ranked #4 of 12 months

Full year for Borgo Maggiore
Avg temp
21°C
Rainfall
93 mm
Humidity
69%
Days with 6h+ sun
15
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Borgo Maggiore scores 7.9/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 21°C, 93 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.

Borgo Maggiore sits below Mount Titano, linking its historic market square and local streets directly to San Marino's old town by cable car.

September in Borgo Maggiore: strong conditions, 4th of 12

At 21°C (70°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.

Budget for roughly 93 mm of rain this month — a flexible day or two helps — with about 15 days with 6+ hours of sunshine and 12.3 hours of daylight to work around it.

That is 7.9/10 on the same scale — 4th of 12 months, versus 9.1/10 for the best month here.

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

Budget for mid-season pricing, and 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 Borgo Maggiore in September?
In September, Borgo Maggiore averages 21°C, 93 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 7.9/10.
Is September a good time to visit Borgo Maggiore?
September earns a 7.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Borgo Maggiore in September?
Expect about 93 mm of rain in September. Average humidity is 69% and there are about 15 days with 6+ hours of sunshine.

Curated in Borgo Maggiore

Tickets & experiences

Things to do in Borgo Maggiore

Borgo Maggiore, San Marino. Live activities and tours from GetYourGuide, matched to this destination.