Humidity Levels in Italy During September

The average humidity in September is listed below for major cities and other places throughout Italy. The tables give the month's daily averages for the highest and lowest relative humidity levels.

All the numbers here are based on weather data collected from 1971 to 2000.

Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold.

You can jump to a separate table for each section of the country: Northeast, Northwest, Central , South and Italy's Mediterranean Islands.

Northeastern Italy

This section takes in the regions of Emilia-Romagna, Friuli-Venezia Giulia, Trentino-Alto Adige and Veneto. Three weather stations on the list are located at over 2000 metres (6560 feet) elevation: Paganella and Passo Rolle in the Dolomites and Monte Cimone of the Apennine Mountains.

Average relative humidity (%) in September

Place	High	Low
Bologna	92	50
Bolzano	94	46
Cervia	97	54
Monte Cimone	95	53
Paganella	93	59
Passo Rolle	95	49
Rimini	95	57
Tarvisio	97	55
Trieste	80	52
Venice (Venezia)	93	56
Verona	98	55
Vicenza	95	51

Northwestern Italy

The cities here are in the regions of Liguria, Lombardy (Lombardia) and Piedmont.

Daily high and low humidity (%) averages in September

Place	High	Low
Bergamo	91	49
Brescia	96	48
Genoa (Genova)	82	55
Milan (Milano)	95	52
Turin (Torino)	95	53

Central Italy

The regions of central Italy include Lazio and Tuscany (Toscana) along the west coast, Umbria in the interior and Marche on the east coast. The highest weather station of this group sits at 1875 metres (6150 feet) on Monte Terminillo.

Average September humidity (%)

Place	High	Low
Ancona	94	54
Arezzo	93	41
Civitavecchia	86	63
Florence (Firenze)	93	46
Monte Argentario	92	52
Monte Terminillo	94	61
Perugia	96	45
Pisa	94	49
Ponza Island	90	61
Rome (Roma)	97	45
Volterra	89	55

Southern Italy

The regions covered here make up Italy's boot, ranging from Abruzzo in the north to Calabria in the south and include Apulia (Puglia), Campania and Molise. Capo Palinuro is in the National Park of Cilento on Italy's west coast.

Average daily humidity (%) for September

Place	High	Low
Bari	90	50
Capo Palinuro	89	53
Foggia	94	41
Lecce	96	49
Naples (Napoli)	95	51
Pescara	95	50
Reggio Calabria	89	52
Santa Maria di Leuca	91	59
Termoli	91	64

Mediterranean Islands

The weather data given in this table are for the Italian islands of Sardinia (Sardegna) and Sicily (Sicilia). Also included are two smaller islands: Ustica located north of Sicily, and Pantelleria to the southwest of Sicily.

Average September humidity levels (%)

Place	High	Low
Alghero, Sardinia	93	53
Cagliari, Sardinia	94	46
Catania, Sicily	93	41
Messina, Sicily	87	51
Palermo, Sicily	79	43
Pantelleria Island	91	54
Ustica Island	94	61