Climate averages 1991–2020
Bari weather
in September.
A warm, moderately wet month: the 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Bari: daytime highs average 24.9°C and nights cool to about 19.3°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 60 mm of rain on roughly 8 days, which makes September a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average September day.
The nearest other city in this atlas is Altamura (42 km away). In September its highs average 24.9°C, about as warm as Bari, with 46 mm of rain.
Among the 79 cities listed in Italy, Bari ranks joint 24th of 79 for the warmest September highs and joint 17th of 79 for the driest September (rainfall, lowest first). The mean September high of those 79 cities is 24.3°C; Bari is 0.7°C warmer than that mean.
From September to October, average highs fall by 4.0°C to 21.0°C, and monthly rainfall rises from 60 mm to 66 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Bari climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.0°C7.5°C | 7.5°C | 57 | 9.2 | 9.610 h |
| February | 12.4°C7.4°C | 7.4°C | 57 | 9.5 | 10.611 h |
| March | 14.6°C9.0°C | 9.0°C | 59 | 9.7 | 11.912 h |
| April | 17.3°C11.5°C | 11.5°C | 59 | 9.6 | 13.313 h |
| May | 21.4°C15.5°C | 15.5°C | 42 | 7.6 | 14.514 h |
| June | 25.7°C19.6°C | 19.6°C | 34 | 5.8 | 15.115 h |
| July | 28.3°C22.2°C | 22.2°C | 25 | 4.4 | 14.815 h |
| August | 28.8°C22.6°C | 22.6°C | 25 | 5.3 | 13.814 h |
| September, selected | 24.9°C19.3°C | 19.3°C | 60 | 8.3 | 12.513 h |
| October | 21.0°C15.8°C | 15.8°C | 66 | 8.4 | 11.111 h |
| November | 16.8°C12.2°C | 12.2°C | 72 | 8.9 | 9.910 h |
| December | 13.1°C8.9°C | 8.9°C | 59 | 9.2 | 9.39 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Altamura in SeptemberItaly · 42 kmHigh 24.9°C · Low 14.6°C · 46 mm rain
- Andria in SeptemberItaly · 49 kmHigh 25.6°C · Low 17.1°C · 48 mm rain
- Barletta in SeptemberItaly · 54 kmHigh 25.5°C · Low 18.4°C · 48 mm rain
- Taranto in SeptemberItaly · 80 kmHigh 26.2°C · Low 19.0°C · 48 mm rain
- Brindisi in SeptemberItaly · 105 kmHigh 26.7°C · Low 18.7°C · 55 mm rain
- Foggia in SeptemberItaly · 116 kmHigh 27.3°C · Low 16.7°C · 36 mm rain
- Lecce in SeptemberItaly · 139 kmHigh 26.3°C · Low 19.0°C · 59 mm rain
- Salerno in SeptemberItaly · 181 kmHigh 24.9°C · Low 18.8°C · 105 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bari) is explained once on the Bari year overview and on the Sources, method and limits page.