Are you considering a trip to Bologna in September? Well, the weather is usually on your side with an average maximum temperature of +25°C and about 15 sunny days. Just keep in mind that there may be some rain, with an average of 6 rainy days and 198 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+25°C
Avg. max. temperature
+7°C
Min.
+34°C
Max.
198 mm
Total precipitation
68%
Avg. humidity
1 m/s
Avg. wind
15 ☀️
Sunny Days
9 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Bologna has good weather in September.
Average temperature in Bologna in September
Here are the expected maximum, average and minimum temperatures in Bologna for September based on the historical data.
Last Year
Historical Data
Going from a maximum of +32°C during the day to a minimum of +10°C during the night, the temperature in September averages around +25°C.
The average maximum temperature goes down 32% by the end of the month, compared with the beginning of the month, from +24°C to +17°C.
Is Bologna warm or cold in September?
Bologna is typically warm in September.
Maximum temperatures go down compared to the previous month from +30°C to +25°C. The minimum temperature also goes down from +20°C to +16°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Bologna:
Climate in Bologna in September
Bologna weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+30°C
+25°C
+20°C
Min. temperature
+11°C
+7°C
+2°C
Max. temperature
+40°C
+34°C
+30°C
Rainfall
65 mm
198 mm
184 mm
Wind
1 m/s
1 m/s
1 m/s
Humidity
62%
68%
78%
Air pressure
1013 HPa
1014 HPa
1016 HPa
Sunny days
20
15
11
Cloudy days
6
9
13
Rainy days
5
6
7
Snowy days
0
0
0
September typically has worse weather conditions compared to August.It’s getting colder in September. From +30°C in the day, the average maximum temperature lowers to +25°C.Prepare for more rain. Average rainfall goes from 65 mm to 198 mm.Humidity rises from 62% to 68%.The average wind speed doesn’t change much during September, staying around 1 m/s.The days becoming less sunny, going from 20 sunny days in August to 15 in September.
Next month (October) brings a further decline in the weather.
Wind speed in Bologna in September based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Bologna is gradually increasing during September, going from 2 m/s to 3 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Bologna based on historical data.
Last Year
Historical Data
Typically, there is a 37% chance of rain on an average day in September, with total rainfall of approximately 97 mm. The maximum amount of rainfall per day is around 26 mm, which is moderate rain.September is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
September is one of the rainiest months in Bologna, here is a comparison with other months, total mm:
Bologna wettest month is September, where a typical day has a 20% chance of precipitation and 198 mm of rainfall per day. January, on the other hand, is the driest month with a mere 13% chance of precipitation and 40 mm of rainfall per day.
How was the weather last September in Bologna?
This is the weather in Bologna in September 2023:
1 September
🌧️
+24°C
2 September
☀️
+27°C
3 September
☀️
+25°C
4 September
☀️
+29°C
5 September
☀️
+30°C
6 September
☀️
+32°C
7 September
☀️
+31°C
8 September
☀️
+31°C
9 September
☀️
+29°C
10 September
☀️
+28°C
11 September
☀️
+27°C
12 September
☀️
+29°C
13 September
☀️
+31°C
14 September
☀️
+30°C
15 September
☀️
+29°C
16 September
☀️
+30°C
17 September
☀️
+20°C
18 September
☀️
+24°C
19 September
☀️
+25°C
20 September
☀️
+23°C
21 September
☀️
+20°C
22 September
☀️
+21°C
23 September
☀️
+22°C
24 September
☀️
+21°C
25 September
☁️
+17°C
26 September
☀️
+22°C
27 September
☀️
+22°C
28 September
☀️
+23°C
29 September
☀️
+24°C
30 September
🌧️
+17°C
In September 2023 Bologna had 27 sunny days, 1 cloudy days, and 2 rainy days. The average maximum temperature was +25°C, with an absolute maximum of +32°C and a minimum of +17°C. The average humidity was 69%, with a maximum of 97% and a minimum of 26%. The average wind speed was 2 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change over Years
This is how Bologna climate have been changing during last 43 years period.
The climate in Bologna in September has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+23°C) and the highest in 2011 (+31°C). The driest year was 1980 with only 10 mm of rainfall, and the wettest year was 2019 with 5659 mm.
FAQ
Frequently asked questions about the weather in Bologna in September:
Is September a good time to visit Bologna?
September is a really good time to go to Bologna. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Bologna.
Can you sunbathe in Bologna in September?
September is warm in Bologna. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Bologna rainy in September?
Bologna 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 Bologna in September?
The amount of sunny days in Bologna during September varies; prepare for a mix of clouds and sun.
For this page, we’ve looked at the typical weather in Bologna, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
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.