Climate guide for Sperlonga, Italy

Sperlonga in September

Weather, crowds & best time to visit

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

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

Weather in Sperlonga in September

Average temperature 22°C, 79 mm of rain, about 16 days with 6+ hours of sunshine and 65% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

8.2/10

Ranked #4 of 12 months

Full year for Sperlonga
Avg temp
22°C
Rainfall
79 mm
Humidity
65%
Days with 6h+ sun
16
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Sperlonga scores 8.2/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 22°C, 79 mm of rain, and roughly 16 days with 6+ hours of sunshine this month.

Sperlonga is a whitewashed hill town on the Tyrrhenian coast between Rome and Naples, above sandy beaches.

September in Sperlonga — reliably good (4th best month)

At 22°C (72°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.

Budget for roughly 79 mm of rain this month — a flexible day or two helps — with about 16 days with 6+ hours of sunshine and 12.3 hours of daylight to work around it.

That is 8.2/10 on the same scale — 4th 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.

Budget for mid-season pricing, and crowds are moderate.

If your dates are flexible, May is materially better in Sperlonga — 1.5 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 Sperlonga in September?
In September, Sperlonga averages 22°C, 79 mm of rain, and about 16 days with 6+ hours of sunshine. Its climate-comfort score is 8.2/10.
Is September a good time to visit Sperlonga?
September earns a 8.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Sperlonga in September?
Expect about 79 mm of rain in September. Average humidity is 65% and there are about 16 days with 6+ hours of sunshine.

Curated in Sperlonga

Tickets & experiences

Things to do in Sperlonga

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