Italy
Bologna in September: weather & travel advice
This month's data profile
Strong month under the current formula
Bologna in September is climatically well suited to family holidays, city breaks and active holidays and hiking. The average daily high is around 26 °C. With about 9 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
82/100 · #2
Warmth
#4
Dryness
#7
Sun
#6
Published best categories: Overall, City break, Family
Bologna · SeptemberPhoto: Emc2 · CC BY-SA 2.5Climate facts
- Average high
- 26 °C
- Average low
- 15 °C
- Rainy days (est.)
- 9 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 65 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| August | 32 | 20 | 8 | 52 | 7.3 | 53 | 1.8 | 64 |
| September (selected) | 26 | 15 | 9 | 71 | 5.4 | 65 | 1.9 | 82 |
| October | 20 | 10 | 11 | 90 | 3.3 | 77 | 1.9 | 72 |
How do the previous and next months compare?
Baseline: September (82/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| August | -18 | +6.1 °C | +4.8 °C | -1.2 | -18.8 mm | +1.9 h | -12.2 % | ±0 m/s |
| October | -10 | -5.8 °C | -4.5 °C | +1.4 | +18.7 mm | -2.1 h | +11.9 % | ±0 m/s |
All twelve months in context
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Where to stay in Bologna
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Useful next decisions
Frequently asked questions
How warm is Bologna in September?
The average daily high is around 26 °C, with an average daily low of about 15 °C.
Does it rain a lot in Bologna in September?
The curated estimate is about 9 rainy days per month, not a directly measured long-term average. Total precipitation averages around 71 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Bologna?
By the climate score, May, June, September and October are the strongest months for Bologna. September is one of them.