September · Italy
Best time to visit Milan in September Weather, crowds & prices
Weather in Milan in September
Average temperature 20°C, 98 mm of rain, about 13 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.7/10
Ranked #2 of 12 months
- Avg temp
- 20°C
- Rainfall
- 98 mm
- Humidity
- 69%
- Days with 6h+ sun
- 13
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Milan scores 7.7/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 20°C, 98 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.
Italy’s style capital of Duomo squares and golden aperitivo hours, at its finest from May through September.
September holds up well in Milan — 2nd best month
At 20°C (68°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 98 mm of rain this month — a flexible day or two helps — with about 13 days with 6+ hours of sunshine and 12.3 hours of daylight to work around it.
That is 7.7/10 on the same scale — 2nd of 12 months, versus 8.3/10 for the best month here.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Milan in September?
- In September, Milan averages 20°C, 98 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 7.7/10.
- Is September a good time to visit Milan?
- September earns a 7.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Milan in September?
- Expect about 98 mm of rain in September. Average humidity is 69% and there are about 13 days with 6+ hours of sunshine.
Curated in Milan
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