Your trips
Organize your trips easily with tabs
New York
Milan
Any date
+ Search
background

Milan in September: Weather, Average temperature and Climate

Discover the weather for Milan in September and if it’s a good time to travel (based on historical data).
Check flight prices to Milan on Avionero:
September

Weather in Milan in September 2025

Good Weather
Warm
☀️
Sunny
✈️
$853 - $853
Weather for Milan in September is typically good with an average maximum temperature of +75°F during the day, and approximately 11 sunny days monthly. Typically, there are about 8 rainy days with the total average precipitation that falls in September around 106 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+75°F
Avg. max. temperature
+43°F
Min.
+91°F
Max.
106 mm
Total precipitation
71%
Avg. humidity
1 m/s
Avg. wind
11 ☀️
Sunny Days
7 ⛅️
Cloudy
8 🌦
Rainy
Our opinion: Milan has good weather in September.

Average temperature in Milan in September

Here are the expected maximum, average and minimum temperatures in Milan for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +81°F with a maximum of +88°F and a minimum of +54°F.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +81°F to +81°F.

Is Milan warm or cold in September?

Milan is typically warm in September.

Maximum temperatures go down compared to the previous month from +84°F to +75°F. The minimum temperature also goes down from +66°F to +59°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how September is compared to other months in Milan:

Travel to Milan

Click to see more details
✈️
96
Flights per week
$853
Min. Price
$853
Max. Price

Climate in Milan in September

Milan weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+84°F+75°F+64°F
Min. temperature
+54°F+43°F+28°F
Max. temperature
+102°F+91°F+86°F
Rainfall
99 mm106 mm120 mm
Wind
1 m/s1 m/s0 m/s
Humidity
66%71%80%
Air pressure
1013 HPa1015 HPa1016 HPa
Sunny days
12118
Cloudy days
4711
Rainy days
9811
Snowy days
000

September weather is still as good as in August. It’s getting colder in September. From +84°F in the day, the average maximum temperature lowers to +75°F. Prepare for more rain. Average rainfall goes from 99 mm to 106 mm. Humidity rises from 66% to 71%. The average wind speed doesn’t change much during September, staying around 1 m/s. The days becoming less sunny, going from 12 sunny days in August to 11 in September.

Next month (October) brings a further decline in the weather.

Wind

Wind speed in Milan in September based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Milan is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Milan based on historical data.
Last Year
Historical Data
Total precipitation in September is about 282 mm, with a 43% chance of rain on a typical day. The maximum amount of rainfall per day is around 51 mm, which is considered heavy rain. September is a pretty wet month with over 13 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Milan wettest month is November, where a typical day has a 40% chance of precipitation and 131 mm of rainfall per day. February, on the other hand, is the driest month with a mere 24% chance of precipitation and 51 mm of rainfall per day.

How was the weather last September in Milan?

This is the weather in Milan in September 2023:
1 September
☀️
+81°F
2 September
☀️
+83°F
3 September
☀️
+86°F
4 September
☀️
+84°F
5 September
☀️
+79°F
6 September
☀️
+85°F
7 September
☀️
+84°F
8 September
☀️
+85°F
9 September
☀️
+86°F
10 September
☀️
+87°F
11 September
☀️
+87°F
12 September
☀️
+87°F
13 September
☁️
+79°F
14 September
☁️
+81°F
15 September
☁️
+78°F
16 September
🌧️
+80°F
17 September
☁️
+78°F
18 September
🌧️
+77°F
19 September
☀️
+82°F
20 September
🌧️
+77°F
21 September
🌧️
+73°F
22 September
🌧️
+73°F
23 September
🌧️
+69°F
24 September
☀️
+75°F
25 September
☀️
+77°F
26 September
☀️
+79°F
27 September
☀️
+81°F
28 September
☀️
+80°F
29 September
☀️
+81°F
30 September
☀️
+81°F
In September 2023 Milan had 20 sunny days, 4 cloudy days, and 6 rainy days. The average maximum temperature was +81°F, with an absolute maximum of +88°F and a minimum of +70°F. The average humidity was 75%, with a maximum of 100% and a minimum of 38%. The average wind speed was 1 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Milan climate has changed over the last 43 years.

The climate in Milan in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1984 (+61°F) and the highest in 2022 (+69°F). The driest year was 1991 with only 570 mm of rainfall, and the wettest year was 2013 with 2981 mm.

FAQ

Frequently asked questions about the weather in Milan in September:

Is September a good time to visit Milan?

September is a really good time to go to Milan. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Milan.

Can you sunbathe in Milan in September?

September is warm in Milan. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Milan rainy in September?

Milan is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Milan in September?

The amount of sunny days in Milan during September varies; prepare for a mix of clouds and sun.

How much does it cost to fly to Milan in September?

The normal prices to fly to Milan is $853 - $853. It means that the majority of our users have picked flights in this range. To find the best price we recommend you search early, using our flexible dates feature.

Other cities in Italy

Check out the weather for other cities in Italy.

Monthly weather in Milan

Source of the data

For this page, we’ve looked at the typical weather in Milan, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.