Monthly climate guide
Milan weather in September
With highs near 25°C (76°F) and lows around 15°C (59°F), September feels warm in Milan. Rainfall averages about 70 mm (some rain) and the sky is often cloudy. Daytime highs are 4°C cooler than August and 6°C warmer than October.
What stands out in September
- It cools down fast from here: October is about 6°C cooler.
- Just 120 km apart, but Milan runs about 3°C cooler than Parma this month.
- Comfortable temperatures make it easy to walk between Sforza Castle and Duomo di Milano.
- September brings early autumn to Milan.
Avg high
25°C
76°F
Avg low
15°C
59°F
Rainfall
70 mm
some rain
Humidity
70%
relative
Sky
55%
cloud · often cloudy
Milan weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 8°C / 46°F | 0°C / 33°F | 46 mm | 76% | 62% |
| February | 9°C / 49°F | 1°C / 34°F | 69 mm | 76% | 64% |
| March | 14°C / 58°F | 4°C / 40°F | 73 mm | 72% | 58% |
| April | 18°C / 65°F | 8°C / 47°F | 85 mm | 71% | 62% |
| May | 22°C / 71°F | 12°C / 53°F | 109 mm | 72% | 64% |
| June | 26°C / 79°F | 17°C / 62°F | 93 mm | 70% | 57% |
| July | 29°C / 84°F | 19°C / 66°F | 70 mm | 67% | 49% |
| August | 29°C / 84°F | 19°C / 66°F | 79 mm | 65% | 49% |
| September | 25°C / 76°F | 15°C / 59°F | 70 mm | 70% | 55% |
| October | 19°C / 66°F | 10°C / 51°F | 105 mm | 76% | 65% |
| November | 13°C / 55°F | 6°C / 42°F | 135 mm | 80% | 68% |
| December | 8°C / 47°F | 2°C / 35°F | 65 mm | 78% | 60% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is September a good time to visit Milan?
Our Milan guide recommends: April to June or September to October, before the summer heat and after the crowds ease.
See Leonardo da Vinci's The Last Supper at Santa Maria delle Grazie — timed-entry tickets sell out weeks ahead, so book early.
Best time to visit Milan →Other Italy cities in September
Cite or embed this data
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Milan weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/italy/milan/september
<a href="https://weathercompare.eu/weather/italy/milan/september">Milan weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/italy/milan" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Milan weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/italy/milan/september">Milan weather in September</a> – WeatherCompare</p>
Milan in September: quick answers
Is September a good time to visit Milan?
Yes. September is one of the best months for Milan, with highs around 25°C and about 70 mm of rain.
How warm is Milan in September?
Average highs are about 25°C (76°F) and average lows about 15°C (59°F), based on 10 years of daily data.
Does it rain a lot in Milan in September?
Milan typically gets around 70 mm of rain in September — some rain.
When is the best time to visit Milan?
April to June or September to October, before the summer heat and after the crowds ease.
Figures are long-term averages for the area around Milan (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.