Climate averages 1991–2020
Aprilia weather
in September.
A warm, wet month: the 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Aprilia: daytime highs average 24.4°C and nights cool to about 17.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 91 mm of rain on roughly 9 days, which makes September a wet month (the 9th 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 Latina (25 km away). In September its highs average 25.0°C, 0.6°C warmer than Aprilia, with 88 mm of rain.
Among the 79 cities listed in Italy, Aprilia ranks joint 34th of 79 for the warmest September highs and 49th of 79 for the driest September (rainfall, lowest first). The mean September high of those 79 cities is 24.3°C; Aprilia is 0.1°C warmer than that mean.
From September to October, average highs fall by 3.9°C to 20.4°C, and monthly rainfall rises from 91 mm to 131 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
Aprilia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 11.6°C5.0°C | 5.0°C | 86 | 10.6 | 9.510 h |
| February | 12.1°C4.9°C | 4.9°C | 85 | 10.4 | 10.611 h |
| March | 14.4°C6.9°C | 6.9°C | 81 | 9.9 | 11.912 h |
| April | 17.0°C9.5°C | 9.5°C | 74 | 10.5 | 13.313 h |
| May | 21.1°C13.5°C | 13.5°C | 53 | 8.2 | 14.515 h |
| June | 25.3°C17.4°C | 17.4°C | 29 | 5.1 | 15.115 h |
| July | 28.3°C20.2°C | 20.2°C | 19 | 3.3 | 14.915 h |
| August | 28.8°C20.9°C | 20.9°C | 22 | 3.9 | 13.814 h |
| September, selected | 24.4°C17.6°C | 17.6°C | 91 | 9.2 | 12.513 h |
| October | 20.4°C14.1°C | 14.1°C | 131 | 11.1 | 11.111 h |
| November | 16.0°C10.2°C | 10.2°C | 160 | 13.8 | 9.910 h |
| December | 12.5°C6.4°C | 6.4°C | 121 | 12.3 | 9.29 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
- Latina in SeptemberItaly · 25 kmHigh 25.0°C · Low 17.6°C · 88 mm rain
- Acilia-Castel Fusano-Ostia Antica in SeptemberItaly · 33 kmHigh 24.4°C · Low 18.6°C · 86 mm rain
- Rome in SeptemberItaly · 35 kmHigh 25.3°C · Low 16.6°C · 84 mm rain
- Fiumicino in SeptemberItaly · 40 kmHigh 24.2°C · Low 18.9°C · 86 mm rain
- Guidonia Montecelio in SeptemberItaly · 45 kmHigh 25.7°C · Low 15.3°C · 85 mm rain
- Terni in SeptemberItaly · 108 kmHigh 25.6°C · Low 15.0°C · 81 mm rain
- Pozzuoli in SeptemberItaly · 147 kmHigh 24.6°C · Low 19.3°C · 77 mm rain
- Giugliano in Campania in SeptemberItaly · 149 kmHigh 24.4°C · Low 18.1°C · 94 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 Aprilia) is explained once on the Aprilia year overview and on the Sources, method and limits page.