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Milan Weather in September
September in Milan brings high temperatures, with highs of 24°C (75°F) and nights dropping to 15°C (59°F). Rainfall is on the higher side this month, averaging around 158 mm (6.2 in), so keep a rain jacket handy.
Rainfall in Milan in September
Historically, the month has about 11 days of rain, averaging 158 mm (6.2 in) in total. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Milan in September
Daytime highs in Milan in September reach 24°C (75°F), with nights around 15°C (59°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Milan in September
The month experiences a moderate amount of sunlight, with 181 hours of sunshine. This provides a nice balance between sunshine and clouds.If your ideal day consists of dry skies and pleasant temperatures, May, June, August and September typically offer the best circumstances for Milan.
Milan Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
24°C (75°F)
Chance of Rain
35%
Precipitation
158 mm (6.2 in)
Rainy days
11 days
Humidity
74%
Sunshine
181 hours
Percentage Sunshine
49%
Milan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Milan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Milan typically drop from around 26°C (79°F) at the start of September to approximately 22°C (72°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 14°C (57°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Milan in September
Browse day-by-day weather records for Milan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Milan historical weather extremes in September
The extremes listed below come from historical weather data collected in Milan from 1976 through 2026.
- The hottest September day on record in Milan reached 34°C (93°F) (September 25, 1983).
- On September 27, 2007, Milan saw its coldest September day with temperatures maxing out at 11°C (52°F).
- Nighttime temperatures dropped to 1°C (34°F) on September 11, 1976, marking the coldest September night on record.
Best Places in Italy in September
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Milan in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Milan in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Camping6/10
Milan 3-Day Forecast
More climate data for Milan
Temperature Rainfall Sunshine Humidity
See the full Milan climate overview or explore weather in Italy.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
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The 10 most beautiful historical towns in Italy
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