Weather in Milan for September 2025
In general, the average temperature in Milan at the beginning of September is 28 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.4 °C by the end of September.
Milan sees moderate rainfall in September, averaging 8 rainy days.
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Milan in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2 30° | 3  30° | 4 29° | 5  22° | 6 27° | 7 28° |
| 8 26° | 9 29° | 10 28° | 11 28° | 12 24° | 13  23° | 14 24° |
| 15 24° | 16  24° | 17 20° | 18 23° | 19 24° | 20 24° | 21 23° |
| 22 22° | 23  21° | 24 22° | 25 22° | 26 20° | 27 24° | 28 23° |
| 29 23° | 30 23° |
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Temperatures trend during September in Milan
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 30° /18° | 0.5 mm | 7 | |
| 2 Sept. | Partly cloudy | 30° /18° | 0.3 mm | 7 | |
| 3 Sept. | Sunny | 30° /18° | 0 mm | 8 | |
| 4 Sept. | Partly cloudy | 29° /19° | 3.6 mm | 7 | |
| 5 Sept. | Overcast | 22° /17° | 25.1 mm | 5 | |
| 6 Sept. | Sunny | 27° /17° | 0.9 mm | 7 | |
| 7 Sept. | Sunny | 28° /17° | 0 mm | 7 | |
| 8 Sept. | Sunny | 26° /18° | 2.7 mm | 7 | |
| 9 Sept. | Sunny | 29° /18° | 1.3 mm | 7 | |
| 10 Sept. | Sunny | 28° /17° | 0 mm | 7 | |
| 11 Sept. | Sunny | 28° /18° | 2.3 mm | 7 | |
| 12 Sept. | Partly cloudy | 24° /15° | 4.3 mm | 6 | |
| 13 Sept. | Thundery outbreaks possible | 23° /14° | 0 mm | 6 | |
| 14 Sept. | Thundery outbreaks possible | 24° /14° | 5.4 mm | 6 | |
| 15 Sept. | Overcast | 24° /14° | 0 mm | 6 | |
| 16 Sept. | Light rain shower | 24° /14° | 0.7 mm | 6 | |
| 17 Sept. | Partly cloudy | 20° /15° | 4.2 mm | 5 | |
| 18 Sept. | Light rain shower | 23° /15° | 2.8 mm | 6 | |
| 19 Sept. | Patchy rain possible | 24° /15° | 3.8 mm | 6 | |
| 20 Sept. | Light rain shower | 24° /15° | 3.9 mm | 6 | |
| 21 Sept. | Light rain shower | 23° /15° | 5.3 mm | 6 | |
| 22 Sept. | Light rain shower | 22° /15° | 7.2 mm | 6 | |
| 23 Sept. | Patchy light rain with thunder | 21° /14° | 14.2 mm | 5 | |
| 24 Sept. | Sunny | 22° /13° | 0.7 mm | 6 | |
| 25 Sept. | Sunny | 22° /13° | 2.2 mm | 6 | |
| 26 Sept. | Sunny | 20° /14° | 6.8 mm | 6 | |
| 27 Sept. | Sunny | 24° /16° | 3.3 mm | 6 | |
| 28 Sept. | Sunny | 23° /15° | 3.1 mm | 6 | |
| 29 Sept. | Sunny | 23° /14° | 0 mm | 6 | |
| 30 Sept. | Sunny | 23° /15° | 0 mm | 6 | |
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Guide for Milan in September
In September, Milan, Italy experiences a transition from the warm summer weather to the cooler temperatures of early autumn. At the beginning of the month, the weather in Milan is generally pleasant, with average temperatures ranging from 20° to 25°.
The city enjoys mild, sunny days and comfortable evenings, making it an ideal time for outdoor activities and sightseeing. However, occasional rain showers can be expected, so it's advisable to carry an umbrella or light raincoat.
As the month progresses towards the end of September, the temperatures in Milan begin to gradually decrease. By the end of the month, the average temperatures range from 15° to 20°, signaling the arrival of autumn.
The weather becomes cooler, and there is a noticeable increase in rainfall, particularly towards the latter part of the month. Visitors should be prepared for cooler evenings and the possibility of intermittent showers.
Overall, September in Milan offers a mix of warm, sunny days and cooler, rainy spells as the city transitions from summer to autumn. It's a great time to explore the city's attractions while enjoying the changing weather patterns.
Milan in September - FAQ
What to pack to Milan in September?
As you prepare for your trip to Milan in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Milan, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Milan
UV exposure in Milan during September
Quick links
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