September · Italy
Best time to visit Bosa in September Weather, crowds & prices
Weather in Bosa in September
Average temperature 22°C, 33 mm of rain, about 20 days with 6+ hours of sunshine and 65% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.6/10
Ranked #3 of 12 months
- Avg temp
- 22°C
- Rainfall
- 33 mm
- Humidity
- 65%
- Days with 6h+ sun
- 20
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Bosa scores 9.6/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 22°C, 33 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Bosa stacks pastel houses along the Temo river on Sardinia's west coast, below a hilltop castle.
September is one of the strongest months in Bosa (3rd)
At 22°C (72°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
With around 33 mm of rain, any showers tend to pass through rather than settle in; about 20 days with 6+ hours of sunshine and 12.3 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Bosa at 9.6/10 (3rd of 12), just behind April at 9.7/10.
Pack light clothing, a hat and real sun protection.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Bosa in September?
- In September, Bosa averages 22°C, 33 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 9.6/10.
- Is September a good time to visit Bosa?
- September earns a 9.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Bosa in September?
- Expect about 33 mm of rain in September. Average humidity is 65% and there are about 20 days with 6+ hours of sunshine.
Curated in Bosa
Tickets & experiences
Things to do in Bosa
Bosa, Italy. Live activities and tours from GetYourGuide, matched to this destination.