What to pack for Milan in September
- t-shirts and light layers
- a light jacket for evenings
- a compact umbrella or rain shell — rain is frequent
Humidity averages 72%; max daily wind around 13 km/h.
How September compares
Best months in Milan: April & September. See the full best time to visit Milan guide.
Milan in September: the details
In September, Milan sees average daytime highs of 25°C (76°F) and overnight lows of 16°C (61°F). Rainfall totals roughly 139 mm across 10.7 rainy days, and the sun shines about 9.9 hours per day with 12.3 hours of daylight mid-month. Relative humidity averages 72%.
In context: September is the 4th-warmest month and the third-wettest in Milan. The sunniest month is July (13.4 h/day).
| Metric | September average |
|---|---|
| Daytime high | 25°C / 76°F |
| Overnight low | 16°C / 61°F |
| Rainfall | 139 mm over 10.7 rainy days |
| Sunshine | 9.9 h/day (12.3 h daylight) |
| Humidity | 72% |
| Travel score | 9.1 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Milan, Italy (45.46, 9.19) — see our methodology. Actual conditions vary year to year.
Not set on Milan? Browse the best places to visit in September ranked by travel score.
Frequently asked questions
How hot is Milan in September?
Daytime highs in Milan in September average 25°C (76°F); nights drop to about 16°C.
Does it rain in Milan in September?
Expect around 10.7 rainy days and 139 mm of rainfall in September.
Is September a good time to visit Milan?
September is one of the best months to visit Milan. Overall travel score: 9.1/10. The best months are April & September.
Also good in September, near Milan
Where should you go next month?
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