September · Italy
Best time to visit Stromboli in September Weather, crowds & prices
Weather in Stromboli in September
Average temperature 25°C, 35 mm of rain, about 20 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.8/10
Ranked #5 of 12 months
- Avg temp
- 25°C
- Rainfall
- 35 mm
- Humidity
- 70%
- Days with 6h+ sun
- 20
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Stromboli scores 7.8/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 25°C, 35 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Europe's constantly erupting volcano rewards visits from May through October, with guided summit treks and Sciara del Fuoco boat views best in late spring and early autumn calm.
September holds up well in Stromboli — 5th best month
Trail conditions at 25°C (77°F) favour early starts and shaded routes in September; midday is for water breaks, not for exposed climbs.
With around 35 mm of rain, any showers tend to pass through rather than settle in; about 20 days with 6+ hours of sunshine and 12.2 hours of daylight fill the rest.
That is 7.8/10 on the same scale — 5th of 12 months, versus 9.6/10 for the best month here.
Pack light clothing, a hat and real sun protection, footwear you can get muddy.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, April is materially better in Stromboli — 1.8 points higher on the same scale.
Frequently asked
- What is the weather like in Stromboli in September?
- In September, Stromboli averages 25°C, 35 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 7.8/10.
- Is September a good time to visit Stromboli?
- 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 Stromboli in September?
- Expect about 35 mm of rain in September. Average humidity is 70% and there are about 20 days with 6+ hours of sunshine.
Curated in Stromboli
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Stromboli, Italy. Live activities and tours from GetYourGuide, matched to this destination.