Climate averages 1991–2020
Treviso weather
in September.
A warm, 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 Treviso: daytime highs average 22.8°C and nights cool to about 14.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 120 mm of rain on roughly 10 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 35 min on an average September day.
The nearest other city in this atlas is Mestre (19 km away). In September its highs average 23.0°C, about as warm as Treviso, with 123 mm of rain.
Among the 79 cities listed in Italy, Treviso ranks joint 64th of 79 for the warmest September highs and 68th of 79 for the driest September (rainfall, lowest first). The mean September high of those 79 cities is 24.3°C; Treviso is 1.5°C cooler than that mean.
From September to October, average highs fall by 5.1°C to 17.7°C, and monthly rainfall rises from 120 mm to 126 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
Treviso climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.1°C-0.4°C | -0.4°C | 60 | 6.8 | 9.19 h |
| February | 8.9°C0.2°C | 0.2°C | 60 | 7.0 | 10.310 h |
| March | 13.0°C3.3°C | 3.3°C | 79 | 9.3 | 11.912 h |
| April | 17.0°C7.1°C | 7.1°C | 100 | 11.7 | 13.513 h |
| May | 21.4°C11.7°C | 11.7°C | 114 | 12.0 | 14.915 h |
| June | 25.4°C15.7°C | 15.7°C | 89 | 10.8 | 15.616 h |
| July | 27.8°C17.9°C | 17.9°C | 67 | 8.7 | 15.315 h |
| August | 27.9°C18.1°C | 18.1°C | 81 | 9.0 | 14.114 h |
| September, selected | 22.8°C14.0°C | 14.0°C | 120 | 9.9 | 12.613 h |
| October | 17.7°C10.0°C | 10.0°C | 126 | 10.1 | 11.011 h |
| November | 12.2°C5.1°C | 5.1°C | 141 | 10.5 | 9.510 h |
| December | 7.7°C0.3°C | 0.3°C | 82 | 7.4 | 8.89 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
- Mestre in SeptemberItaly · 19 kmHigh 23.0°C · Low 15.5°C · 123 mm rain
- Padua in SeptemberItaly · 40 kmHigh 23.6°C · Low 14.8°C · 107 mm rain
- Vicenza in SeptemberItaly · 56 kmHigh 23.1°C · Low 13.8°C · 113 mm rain
- Udine in SeptemberItaly · 89 kmHigh 21.4°C · Low 12.3°C · 153 mm rain
- Trento (approximate) in SeptemberItaly · 98 kmHigh 21.7°C · Low 14.9°C · 121 mm rain
- Verona in SeptemberItaly · 100 kmHigh 23.6°C · Low 15.1°C · 105 mm rain
- Ferrara in SeptemberItaly · 104 kmHigh 25.1°C · Low 15.5°C · 75 mm rain
- Bolzano (approximate) in SeptemberItaly · 115 kmHigh 22.1°C · Low 13.7°C · 93 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 Treviso) is explained once on the Treviso year overview and on the Sources, method and limits page.