Climate averages 1991–2020
Forlì weather
in September.
A warm, moderately wet month: the 4th warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Forlì: daytime highs average 24.9°C and nights cool to about 14.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 61 mm of rain on roughly 8 days, which makes September a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 34 min on an average September day.
The nearest other city in this atlas is Cesena (19 km away). In September its highs average 24.4°C, about as warm as Forlì, with 58 mm of rain.
Among the 79 cities listed in Italy, Forlì ranks joint 24th of 79 for the warmest September highs and joint 19th of 79 for the driest September (rainfall, lowest first). The mean September high of those 79 cities is 24.3°C; Forlì is 0.6°C warmer than that mean.
From September to October, average highs fall by 5.2°C to 19.7°C, and monthly rainfall rises from 61 mm to 68 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
Forlì climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.9°C0.8°C | 0.8°C | 46 | 7.1 | 9.39 h |
| February | 10.6°C0.8°C | 0.8°C | 62 | 7.5 | 10.410 h |
| March | 14.5°C4.0°C | 4.0°C | 59 | 8.1 | 11.912 h |
| April | 18.2°C7.4°C | 7.4°C | 72 | 9.7 | 13.413 h |
| May | 22.9°C11.7°C | 11.7°C | 64 | 8.9 | 14.715 h |
| June | 27.8°C16.1°C | 16.1°C | 51 | 6.5 | 15.415 h |
| July | 30.6°C18.5°C | 18.5°C | 45 | 6.3 | 15.215 h |
| August | 30.3°C18.6°C | 18.6°C | 49 | 6.7 | 14.014 h |
| September, selected | 24.9°C14.5°C | 14.5°C | 61 | 7.6 | 12.613 h |
| October | 19.7°C10.7°C | 10.7°C | 68 | 8.6 | 11.011 h |
| November | 14.0°C6.2°C | 6.2°C | 84 | 10.1 | 9.710 h |
| December | 9.6°C1.8°C | 1.8°C | 65 | 9.3 | 8.99 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
- Cesena in SeptemberItaly · 19 kmHigh 24.4°C · Low 14.6°C · 58 mm rain
- Ravenna in SeptemberItaly · 25 kmHigh 24.4°C · Low 16.2°C · 74 mm rain
- San Marino in SeptemberSan Marino · 45 kmHigh 20.5°C · Low 11.6°C · 75 mm rain
- Rimini in SeptemberItaly · 46 kmHigh 23.7°C · Low 17.3°C · 75 mm rain
- Bologna in SeptemberItaly · 64 kmHigh 24.9°C · Low 15.1°C · 68 mm rain
- Ferrara in SeptemberItaly · 76 kmHigh 25.1°C · Low 15.5°C · 75 mm rain
- Pesaro in SeptemberItaly · 78 kmHigh 23.4°C · Low 17.7°C · 67 mm rain
- Florence in SeptemberItaly · 80 kmHigh 24.5°C · Low 14.5°C · 82 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 Forlì) is explained once on the Forlì year overview and on the Sources, method and limits page.