Bologna Weather in September
Thinking of visiting Bologna in September? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 16°C (61°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Bologna in September
Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 73 mm (2.9 in) on average. 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 Bologna in September
Weather in Bologna is at its perfect in September. Highs reach 27°C (81°F), while nights settle around 16°C (61°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Bologna in September
The month enjoys around 202 hours of sunshine, creating mostly sunny days with good weather conditions.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Bologna.
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 Bologna's climate page.
Bologna Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
27°C (81°F)
Chance of Rain
28%
Precipitation
73 mm (2.9 in)
Rainy days
9 days
Humidity
69%
Sunshine
202 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bologna typically drop from around 27°C (81°F) at the start of September to approximately 23°C (73°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 15°C (59°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 Bologna in September
Browse day-by-day weather records for Bologna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bologna historical weather extremes in September
The extremes listed below come from historical weather data collected in Bologna from 1976 through 2025.
- Bologna recorded its highest September temperature of 34°C (93°F) on September 19, 1987.
- Bologna experienced its chilliest September day on September 18, 1977, reaching only 14°C (57°F).
- The coldest night in September in Bologna was on September 30, 1995, with a minimum of -2°C (28°F).
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 Bologna in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Bologna 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 Bologna's climate page.
Temperature Rainfall Sunshine Humidity
See the full Bologna climate overview or explore weather in Italy.
