September · Italy
Best time to visit Alghero in September Weather, crowds & prices
Weather in Alghero in September
Average temperature 24°C, 40 mm of rain, about 20 days with 6+ hours of sunshine and 73% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.3/10
Ranked #4 of 12 months
- Avg temp
- 24°C
- Rainfall
- 40 mm
- Humidity
- 73%
- Days with 6h+ sun
- 20
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Alghero scores 9.3/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 24°C, 40 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Catalan-walled Alghero and the nearby Neptune's Grotto coast feel best from May through October, when warm Mediterranean water suits cliff coves and old-town seafood terraces.
September in Alghero — one of the year's strongest windows (4th)
September averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 40 mm of rain — occasional showers rather than washed-out days — alongside about 20 days with 6+ hours of sunshine and 12.3 daylight hours.
A 9.3/10 puts this among the year's best months in Alghero (4th of 12); only June scores higher, at 9.8/10.
Pack light clothing, swimwear and real sun protection.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Alghero in September?
- In September, Alghero averages 24°C, 40 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 9.3/10.
- Is September a good time to visit Alghero?
- September earns a 9.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Alghero in September?
- Expect about 40 mm of rain in September. Average humidity is 73% and there are about 20 days with 6+ hours of sunshine.
Curated in Alghero
Tickets & experiences
Things to do in Alghero
Alghero, Italy. Live activities and tours from GetYourGuide, matched to this destination.