Como Weather in September
Como in September sees high daytime temperatures of 22°C (72°F) and nighttime lows of 14°C (57°F). Rainfall is fairly high this month at around 168 mm (6.6 in), so pack a rain jacket to stay dry.
Rainfall in Como in September
You can typically expect 11 days of rain this month, averaging around 168 mm (6.6 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Como in September
Expect highs of 22°C (72°F) in Como in September, with nights dropping to around 14°C (57°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 14°C (57°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 Como in September
The area enjoys a moderate level of sunlight, with around 189 hours. It's a good balance between sunny and cloudy days.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Como's climate page.
Como Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
22°C (72°F)
Chance of Rain
37%
Precipitation
168 mm (6.6 in)
Rainy days
11 days
Humidity
74%
Sunshine
189 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Como typically drop from around 24°C (75°F) at the start of September to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°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 for Como in September
Browse day-by-day weather records for Como spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Como historical weather extremes in September
Our historical data for Como spans 1976 to 2025, revealing these weather extremes.
- On September 19, 1987, temperatures climbed to 32°C (90°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 10°C (50°F), recorded on September 30, 2022.
- Nighttime temperatures dropped to -2°C (28°F) on September 2, 1992, marking the coldest September night on record.
- The heaviest September precipitation occurred on September 26, 2007, when 112 mm (4.4 in) of precipitation fell.
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
What to Wear in Como in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Como in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Como's climate page.
Temperature Rainfall Sunshine Humidity
See the full Como climate overview or explore weather in Italy.
