Climate averages 1991–2020
Catania 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 Catania: daytime highs average 27.5°C and nights cool to about 20.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 54 mm of rain on roughly 7 days, which makes September a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 28 min on an average September day.
The nearest other city in this atlas is Siracusa (50 km away). In September its highs average 26.8°C, 0.7°C cooler than Catania, with 48 mm of rain.
Among the 79 cities listed in Italy, Catania ranks 1st of 79 for the warmest September highs and 13th of 79 for the driest September (rainfall, lowest first). The mean September high of those 79 cities is 24.3°C; Catania is 3.2°C warmer than that mean.
From September to October, average highs fall by 4.2°C to 23.3°C, and monthly rainfall rises from 54 mm to 64 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
Catania climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.1°C7.4°C | 7.4°C | 76 | 7.8 | 9.910 h |
| February | 14.6°C7.3°C | 7.3°C | 60 | 7.2 | 10.811 h |
| March | 16.7°C8.8°C | 8.8°C | 57 | 7.7 | 11.912 h |
| April | 19.3°C11.3°C | 11.3°C | 47 | 7.6 | 13.113 h |
| May | 23.8°C15.2°C | 15.2°C | 29 | 4.5 | 14.214 h |
| June | 28.6°C19.5°C | 19.5°C | 20 | 3.0 | 14.715 h |
| July | 31.7°C22.4°C | 22.4°C | 9.5 | 1.9 | 14.514 h |
| August | 32.0°C23.1°C | 23.1°C | 15 | 2.9 | 13.614 h |
| September, selected | 27.5°C20.0°C | 20.0°C | 54 | 6.9 | 12.512 h |
| October | 23.3°C16.6°C | 16.6°C | 64 | 8.4 | 11.311 h |
| November | 18.9°C12.5°C | 12.5°C | 66 | 7.9 | 10.210 h |
| December | 15.3°C9.1°C | 9.1°C | 64 | 7.6 | 9.610 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
- Siracusa in SeptemberItaly · 50 kmHigh 26.8°C · Low 21.1°C · 48 mm rain
- Ragusa in SeptemberItaly · 70 kmHigh 24.3°C · Low 17.4°C · 45 mm rain
- Reggio Calabria in SeptemberItaly · 86 kmHigh 26.1°C · Low 18.8°C · 50 mm rain
- Gela in SeptemberItaly · 87 kmHigh 27.0°C · Low 19.4°C · 29 mm rain
- Messina in SeptemberItaly · 89 kmHigh 26.1°C · Low 20.1°C · 65 mm rain
- Palermo in SeptemberItaly · 165 kmHigh 26.8°C · Low 20.6°C · 61 mm rain
- Valletta in SeptemberMalta · 184 kmHigh 25.8°C · Low 22.9°C · 33 mm rain
- Lamezia Terme in SeptemberItaly · 196 kmHigh 25.0°C · Low 19.3°C · 68 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 Catania) is explained once on the Catania year overview and on the Sources, method and limits page.