Sorrento (Amalfi Coast) weather in September

September in Sorrento: hot, rainy — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Sorrento🇮🇹 Italy · Central & Southern Italy · Beach85
  1. 54Jan
  2. 62Feb
  3. 68Mar
  4. 76Apr
  5. 81May
  6. 92Jun
  7. 94Jul
  8. 90Aug
  9. 85Sep
  10. 78Oct
  11. 57Nov
  12. 56Dec

#4 of 12 months in Sorrento · #509 of 1413 destinations to visit in September · comfort 85/100 (tier A)

Days
27°C
Nights
22°C
Wet days
9
Sun
10.5 h
Humidity
71%
Daylight
13 h
Sorrento, Italy
Photo: Marc Peeters · Pexels

Traveller notes on Sorrento in September

Sorrento-forum threads on September weather call it lovely on balance, sunbathing and shorts-and-tee days with noticeably less humidity than peak summer - genuinely better for sightseeing as a result. The standard packing list includes trousers, a jumper or light jacket for evenings, and a small collapsible umbrella just in case, since there's a fair chance of a shower somewhere in a week-long stay even in a good year. Experiences do vary: one visitor's first ten days saw no clouds at all until day six, while other threads describe a fair chance of showers the whole stay. Posters agree the good weather often runs well into October, not just September. The record: 26.9C days feeling like 29C, 21.7C nights, 113mm across nine days, a 25C sea, 71 percent humidity and 10.5 hours of sun.
MarinaGrandeSeptemberRegular · September · 1 month ago · Read more on Tripadvisor ↗

Other months in Sorrento

Sorrento-forum threads on February weather confirm it's still deep winter here, one of the coldest and wettest months of the year, though posters are consistent it's rarely miserable for a full stay - one visitor logged rain on just one or two days out of ten, with a couple of bright enough days to dine outdoors in the evening, jackets on but genuinely pleasant. Daytime temperatures generally sit in the comfortable range for a coat-and-scarf walk rather than anything harsh. Wind is called a real feature of the month, worth a windproof layer regardless of the temperature reading. Some beachfront cafes and the harbor stay closed for the season, but the main tourist sights and most restaurants in town remain open and running normally. Regulars call it a genuinely quiet, low-cost month for anyone not chasing sun. The record: 14.7C days feeling like 12C, 10.4C nights, 107mm across 9.6 days, a 14.9C sea, 74 percent humidity and 8.2 hours of sun.
PiazzaTassoFebruaryRegular · February · 1 month ago · Read more on tripadvisor.co.nz ↗
Sorrento-forum threads on whether it's worth visiting in December land firmly on yes, with caveats: cold but not miserable, sunny stretches genuinely possible, though the region's downpours are called legendary when they do arrive, worth keeping an eye on the forecast before planning a Capri or coastal-village day trip. Posters describe daytime temperatures in the high 50s Fahrenheit with much cooler nights, and the town itself leans into the season - both Sorrento and Naples decked out for Christmas, a real draw in its own right. The trade-off for the good rates and thin crowds is that plenty of pavement cafes and restaurants close for the winter, staff largely gone since late October, so dining runs leaner than in summer. Regulars recommend checking forecasts a couple of days out and keeping a backup plan for any coastal excursion. The record: 15.3C days feeling like 13C, 11.8C nights, 144mm across 11.5 days, an 18C sea, 74 percent humidity and just 6.8 hours of sun.
PiazzaTassoDecemberRegular · December · 1 month ago · Read more on tripadvisor.co.nz ↗
Sorrento-forum threads on April weather describe it as genuinely fickle - one day pouring with grey skies, the next gorgeous and blue, sometimes within the same visit. Regulars call April normally fresh and showery, sunny days pleasant but outnumbered by cooler, damper ones, and evenings cold enough that a jacket is non-negotiable even after a warm afternoon. The standing packing advice is layers throughout: linen or light trousers with a top for daytime, a proper sweater or cardigan for evenings, plus a real waterproof rather than a light showerproof. Despite the variability, most posters still call April a lovely month overall, just one where a week's stay is likely to see both extremes rather than a single settled pattern. The record: 18.8C days feeling closer to 19C, 13.3C nights, 57mm across 9.7 days, a chilly 15.6C sea still too cold for most swimmers, 74 percent humidity and 11.1 hours of sun.
PiazzaTassoAprilRegular · April · 1 month ago · Read more on Tripadvisor ↗
August in Sorrento is hot, humid and busy, and regulars answer the how-hot question with a place rather than a number: Pompeii, which is hotter than the coast and has no shade at all, so a hat, sunscreen and more water than you think are the standing list. Our row gives 30.3C reading as 34C, with the humidity pushing the feel into the 90s Fahrenheit. This is the Italian holiday month as well as the school one, so the town is full - though several note it thins noticeably after Ferragosto on the 15th, and that restaurants are gettable if you book the night before. The days people describe as workable are the ones split between sightseeing early and the hotel pool after. The record: 24.4C nights, 5.2 precipitation days carrying 27.3mm, 12.3 hours of sun and a 25.6C sea.
PompeiiHasNoShade · August · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Sorrento's card on the map.

Sorrento climate normals — September

Daytime high27°C / 80°F🥵 hot
Nighttime low22°C / 71°F
Feels like (high)29°C / 84°F
Sea temperature25°C / 77°F😎 warm sea
Rainfall113 mm / 4.4 in🌧 rainy
Rainy days9 days
Humidity71%💧 humid
Dew point18°C / 65°F
Sunshine10.5 h/day
Daylight12.5 h
Wind16 km/h / 10 mph
Air quality (US AQI)56🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Sorrento in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusySummer holidays in Italy, school holidays in 2 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Sorrento's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherSorrento's weather peaks June–August, best around July.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Sorrento in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Rule

    Alternate plates on the peninsula

    1 Jun – 30 SepClosures

    The Sorrento peninsula and the coast road run odd and even number plates on alternate dates between 10am and 6pm in high summer. Hotel guests with a booking and electric cars are exempt. Source ↗

  • Season

    Sea warm enough to swim

    15 Jun – 10 Oct · usually

    Sorrento swims off wooden platforms bolted to the cliff rather than a beach, and the bay is warm from late June to early October. Marina Grande is the exception with actual sand.

What's on around the world in September →

Nearby, and something's on

Within 300 km of Sorrento — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Sorrento?

Loading map…

Sorrento in September — FAQ

Is September a good time to visit Sorrento?
September in Sorrento: hot, rainy — an excellent time to visit. It ranks #4 of 12 months for Sorrento on SeasonMap's comfort score (85/100).
What is the weather like in Sorrento in September?
In September, Sorrento averages a daily high of 26.9°C and a low of 21.7°C, with about 112.8 mm of rain over roughly 9 rainy days.
What is the air quality in Sorrento in September?
Sorrento has a mean US Air Quality Index of about 56 in September.

Within 300 km: Capri's Blue Grotto access around 15 Apr – 15 Oct, and Naples' San Gennaro on 19 Sep.