Climate averages 1991–2020
Salerno weather
in September.
A warm, wet month: the 4th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Salerno: daytime highs average 24.9°C and nights cool to about 18.8°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 105 mm of rain on roughly 10 days, which makes September a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average September day.
The nearest other city in this atlas is Torre del Greco (38 km away). In September its highs average 24.9°C, about as warm as Salerno, with 86 mm of rain.
Among the 79 cities listed in Italy, Salerno ranks joint 24th of 79 for the warmest September highs and joint 56th of 79 for the driest September (rainfall, lowest first). The mean September high of those 79 cities is 24.3°C; Salerno is 0.6°C warmer than that mean.
From September to October, average highs fall by 3.8°C to 21.1°C, and monthly rainfall rises from 105 mm to 155 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
Salerno climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.0°C7.3°C | 7.3°C | 145 | 12.4 | 9.610 h |
| February | 12.3°C7.0°C | 7.0°C | 129 | 11.9 | 10.611 h |
| March | 14.6°C8.7°C | 8.7°C | 127 | 11.4 | 11.912 h |
| April | 17.4°C11.0°C | 11.0°C | 110 | 12.1 | 13.313 h |
| May | 21.3°C14.6°C | 14.6°C | 78 | 8.8 | 14.414 h |
| June | 25.4°C18.5°C | 18.5°C | 37 | 6.0 | 15.015 h |
| July | 28.2°C21.3°C | 21.3°C | 21 | 4.2 | 14.815 h |
| August | 28.9°C22.0°C | 22.0°C | 28 | 4.7 | 13.814 h |
| September, selected | 24.9°C18.8°C | 18.8°C | 105 | 9.6 | 12.513 h |
| October | 21.1°C15.5°C | 15.5°C | 155 | 11.1 | 11.211 h |
| November | 16.8°C12.0°C | 12.0°C | 217 | 13.6 | 10.010 h |
| December | 13.1°C8.6°C | 8.6°C | 180 | 13.6 | 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
- Torre del Greco in SeptemberItaly · 38 kmHigh 24.9°C · Low 18.5°C · 86 mm rain
- Naples in SeptemberItaly · 48 kmHigh 25.3°C · Low 18.1°C · 86 mm rain
- Giugliano in Campania in SeptemberItaly · 57 kmHigh 24.4°C · Low 18.1°C · 94 mm rain
- Caserta in SeptemberItaly · 59 kmHigh 25.2°C · Low 15.6°C · 94 mm rain
- Pozzuoli in SeptemberItaly · 62 kmHigh 24.6°C · Low 19.3°C · 77 mm rain
- Foggia in SeptemberItaly · 108 kmHigh 27.3°C · Low 16.7°C · 36 mm rain
- Andria in SeptemberItaly · 141 kmHigh 25.6°C · Low 17.1°C · 48 mm rain
- Barletta in SeptemberItaly · 144 kmHigh 25.5°C · Low 18.4°C · 48 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 Salerno) is explained once on the Salerno year overview and on the Sources, method and limits page.