Climate guide for St. Peter's Basilica, Vatican City

St. Peter's Basilica in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · Vatican City

Best time to visit St. Peter's Basilica in SeptemberWeather, crowds & prices

September score

8.4/10

Ranked #4 of 12 months

Full year for St. Peter's Basilica
Avg temp
23°C
Rainfall
71 mm
Humidity
62%
Sunny days
19
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in St. Peter's Basilica scores 8.4/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 23°C, 71 mm of rain, and roughly 19 sunny days this month.

Michelangelo's dome rising over Bernini's colonnade under comfortable April-June weather.

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 St. Peter's Basilica in September?
In September, St. Peter's Basilica averages 23°C, 71 mm of rain, and about 19 sunny days. Its climate-comfort score is 8.4/10.
Is September a good time to visit St. Peter's Basilica?
September earns a 8.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in St. Peter's Basilica in September?
Expect about 71 mm of rain in September. Average humidity is 62% and there are about 19 sunny days.

Curated in St. Peter's Basilica

Tickets & experiences

Things to do in St. Peter's Basilica

St. Peter's Basilica, Vatican City. Live activities and tours from GetYourGuide, matched to this destination.