Campania weather in September 2025

Expect daytime maximum temperatures of 26°C in Campania, Italy in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 74 mm of rainfall in the month.

  • 26°C maximum daytime temperature in September in Campania (Naples)26
    26°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in September in Campania (Naples)9
    9 days with some rainfall
  • 16°C minimum night-time temperature in September in Campania (Naples)16
    16°C min night temperature
  • 12 hours of daylight per day in September in Campania (Naples)12
    12 hours of daylight per day
  • Low heat & humidity in September in Campania (Naples)L
    Low heat & humidity
  • 74 mm monthly rainfall in September in Campania (Naples)74
    74 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Campania (Naples)6
    6 (High) UV index
  • 24°C sea temperature in September in Campania (Naples)24
    24°C sea temperature

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The September weather guide for Campania (Naples) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Campania destinations

Below are average maximum temperatures at popular countries, regions and places in the Campania in September. Select a holiday destination to see more weather parameters.

All Campania destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the Campania

How hot is it in the Campania in September?

Daytime temperatures usually reach 26°C in Naples, Campania in September with low heat and humidity, falling to 16°C at night.

How sunny is it in the Campania in September?

There are normally 8 hours of bright sunshine each day in Naples, Campania in September - that's 62% of daylight hours.

How warm is the sea around the Campania in September?

The average sea temperature around Naples, Campania in September is 24°C.

Does it rain in the Campania in September?

There are usually 9 days with some rain in Naples, Campania in September and the average monthly rainfall is 74mm.

Campania September sunrise & sunset times

Browse the sunrise and sunset times for Campania in September 2025. Select a month to view Campania sunrise and sunset times for the next 12 months. The Campania sunrise and sunset times shown below are for Naples.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:30 18:35
Monday, 15th September 2025 05:44 18:12
Tuesday, 30th September 2025 05:59 17:47

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