Milan in September
In September, Milan averages 24°C (75°F) during the day and 14°C (57°F) at night, with around 6 days of rain (75 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
September is a great month to visit Milan: pleasant temperatures and relatively few wet days.
How September compares to the rest of the year in Milan
September is in the middle of the year for warmth in Milan (4th of 12) and one of the driest months (11th of 12). Daytime temperature runs 7°C above the annual average (18°C). September runs 4°C cooler than August (28°C) and cools 7°C in October (17°C).
September sunrise & sunset in Milan
Times shown for Milan local time (Europe/Rome), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Milan — September
Golden-hour and blue-hour windows for the 15th of September, in Milan's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Milan in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (High season) and Milan's popularity.
Crowds & pricing — September in Milan
This is a busy month in Milan — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — September in Milan
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Milan in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 6°C / 43°F | 0°C / 32°F | 60 mm | 7 | 0 |
| February | 8°C / 46°F | 1°C / 34°F | 60 mm | 7 | 0 |
| March | 14°C / 57°F | 5°C / 41°F | 80 mm | 8 | 0 |
| April | 18°C / 64°F | 9°C / 48°F | 85 mm | 9 | 0 |
| May | 22°C / 72°F | 13°C / 55°F | 95 mm | 9 | 0 |
| June | 26°C / 79°F | 17°C / 63°F | 75 mm | 7 | 0 |
| July | 29°C / 84°F | 19°C / 66°F | 65 mm | 5 | 0 |
| August | 28°C / 82°F | 18°C / 64°F | 90 mm | 7 | 0 |
| September | 24°C / 75°F | 14°C / 57°F | 75 mm | 6 | 0 |
| October | 17°C / 63°F | 10°C / 50°F | 110 mm | 8 | 0 |
| November | 11°C / 52°F | 5°C / 41°F | 110 mm | 9 | 0 |
| December | 7°C / 45°F | 1°C / 34°F | 75 mm | 8 | 0 |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Milan in September →
Frequently asked questions
How hot is Milan in September?
In September, Milan averages a high of 24°C (75°F) and a low of 14°C (57°F) — generally warm.
Does it rain a lot in Milan in September?
September sees occasional rain in Milan, with about 6 rainy days on average.
Is September a good time to visit Milan?
September is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Milan in September?
Pack light layers for warm days and cooler evenings. See the full September packing list for Milan for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.