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Weather in Bologna for September 2025

Your guide to Bologna weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Bologna is cooler than usual, with temperatures averaging 26.9 °C, this is -2.5 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Bologna with the forecast suggesting a temperature of 27.6 °C, lower than the historical average.

  • In general, the average temperature in Bologna at the beginning of September is 29.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.9 °C by the end of September.

    • Rain 🌧️

  • Bologna in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 78.7 mm.

    • More

  • Is September a good time to visit Bologna? check out the best time to travel to Bologna page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/16°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Bologna Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
30°
2
Partly cloudy
29°
3
Sunny
29°
4
Partly cloudy
30°
5
Sunny
30°
6
Partly cloudy
29°
7
Sunny
31°
8
Sunny
29°
9
Partly cloudy
30°
10
Sunny
28°
11
Patchy rain possible
29°
12
Sunny
29°
13
Sunny
28°
14
Partly cloudy
27°
15
Sunny
28°
16
Partly cloudy
28°
17
Patchy rain possible
21°
18
Sunny
27°
19
Sunny
29°
20
Sunny
30°
21
Sunny
31°
22
Sunny
32°
23
Sunny
30°
24
Patchy rain possible
29°
25
Patchy rain possible
25°
26
Patchy rain possible
25°
27
Partly cloudy
24°
28
Partly cloudy
25°
29
Partly cloudy
24°
30
Patchy rain possible
22°

Temperatures trend during September in Bologna

See the weather trend as well as the moving average line

September weather in Bologna day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 30° /18° 3.5 mm 7
2 Sept. Partly cloudy
Partly cloudy
 29° /17° 2.4 mm 7
3 Sept. Sunny
Sunny
 29° /17° 1.2 mm 7
4 Sept. Partly cloudy
Partly cloudy
 30° /18° 0.9 mm 7
5 Sept. Sunny
Sunny
 30° /17° 1.6 mm 7
6 Sept. Partly cloudy
Partly cloudy
 29° /17° 0 mm 8
7 Sept. Sunny
Sunny
 31° /17° 0.1 mm 8
8 Sept. Sunny
Sunny
 29° /18° 2.7 mm 7
9 Sept. Partly cloudy
Partly cloudy
 30° /17° 1.9 mm 7
10 Sept. Sunny
Sunny
 28° /16° 5.4 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 29° /16° 0.1 mm 7
12 Sept. Sunny
Sunny
 29° /15° 0.3 mm 7
13 Sept. Sunny
Sunny
 28° /15° 1.3 mm 7
14 Sept. Partly cloudy
Partly cloudy
 27° /16° 0 mm 0.9
15 Sept. Sunny
Sunny
 28° /17° 0 mm 1.4
16 Sept. Partly cloudy
Partly cloudy
 28° /17° 0 mm 1.1
17 Sept. Patchy rain possible
Patchy rain possible
 21° /16° 0.6 mm 1.2
18 Sept. Sunny
Sunny
 27° /15° 0 mm 1.6
19 Sept. Sunny
Sunny
 29° /17° 0 mm 6
20 Sept. Sunny
Sunny
 30° /19° 0 mm 6
21 Sept. Sunny
Sunny
 31° /20° 0 mm 6
22 Sept. Sunny
Sunny
 32° /19° 0 mm 6
23 Sept. Sunny
Sunny
 30° /18° 0 mm 6
24 Sept. Patchy rain possible
Patchy rain possible
 29° /17° 0.3 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 25° /18° 1.1 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
 25° /18° 0.1 mm 5
27 Sept. Partly cloudy
Partly cloudy
 24° /18° 0 mm 6
28 Sept. Partly cloudy
Partly cloudy
 25° /14° 0 mm 6
29 Sept. Partly cloudy
Partly cloudy
 24° /14° 0 mm 6
30 Sept. Patchy rain possible
Patchy rain possible
 22° /14° 3.5 mm 5
Next
Important Notice
Our weather forecast for Bologna in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Bologna forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Bologna weather in September vs August vs October

Compare September weather in Bologna with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures33°/20°26°/16°21°/13°
Rainfall61 mm79 mm56 mm
Wind14.5 km/h13.3 km/h11.1 km/h
Humidity52%61%70%
Rainy days13 days19 days18 days
Dry days18 days11 days13 days

Planning a trip to Bologna? Discover the best time to visit

Bologna in September - FAQ

What are the expected maximum and minimum temperatures in Bologna during September?
During September, expect a variety of temperatures with highs around 26° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Bologna during September?
Moderate rainfall is anticipated in Bologna during September, with a total of 78.7 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Bologna during September?
The average wind speed in Bologna during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Bologna in September?

As you prepare for your trip to Bologna 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 Bologna, 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 Bologna

Explore the daily rainfall trends and prepare for Bolognas September weather 💧

UV exposure in Bologna during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Get accurate weather forecasts for Bologna, located at latitude 44.494 and longitude 11.339. Stay updated with localized weather information tailored for Bologna.

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