Climate guide for Pompeii, Italy

Pompeii in September

Weather, crowds & best time to visit

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September · Italy

Best time to visit Pompeii in September Weather, crowds & prices

Weather in Pompeii in September

Average temperature 25°C, 60 mm of rain, about 19 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

7.8/10

Ranked #6 of 12 months

Full year for Pompeii
Avg temp
25°C
Rainfall
60 mm
Humidity
69%
Days with 6h+ sun
19
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Pompeii scores 7.8/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 25°C, 60 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.

Pompeii's streets, bakeries, and frescoed villas sit under Vesuvius, with the Forum the natural place to start.

September in Pompeii: strong conditions, 6th of 12

At 25°C (76°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.

Budget for roughly 60 mm of rain this month — a flexible day or two helps — with about 19 days with 6+ hours of sunshine and 12.3 hours of daylight to work around it.

That is 7.8/10 on the same scale — 6th of 12 months, versus 9.7/10 for the best month here.

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

Expect low-season pricing, and crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.

If your dates are flexible, April is materially better in Pompeii — 1.9 points higher on the same scale.

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 Pompeii in September?
In September, Pompeii averages 25°C, 60 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 7.8/10.
Is September a good time to visit Pompeii?
September earns a 7.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Pompeii in September?
Expect about 60 mm of rain in September. Average humidity is 69% and there are about 19 days with 6+ hours of sunshine.

Curated in Pompeii

Tickets & experiences

Things to do in Pompeii

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