Malta weather in September 2025

Expect daytime maximum temperatures of 28°C in Malta in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 28°C maximum daytime temperature in September in Malta (Valletta)28
    28°C max day temperature
  • 9 hours of sunshine per day
  • 4 days with some rainfall in September in Malta (Valletta)4
    4 days with some rainfall
  • 20°C minimum night-time temperature in September in Malta (Valletta)20
    20°C min night temperature
  • 12 hours of daylight per day in September in Malta (Valletta)12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Malta (Valletta)M
    Moderate heat & humidity
  • 36 mm monthly rainfall in September in Malta (Valletta)36
    36 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Malta (Valletta)7
    7 (High) UV index
  • 26°C sea temperature in September in Malta (Valletta)26
    26°C sea temperature

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The September weather guide for Malta (Valletta) 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 Malta destinations

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

All Malta destinations

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

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More about Malta

How hot is it in Malta in September?

Daytime temperatures usually reach 28°C in Valletta, Malta in September with moderate heat and humidity, falling to 20°C at night.

How sunny is it in Malta in September?

There are normally 9 hours of bright sunshine each day in Valletta, Malta in September - that's 69% of daylight hours.

How warm is the sea around Malta in September?

The average sea temperature around Valletta, Malta in September is 26°C.

Does it rain in Malta in September?

There are usually 4 days with some rain in Valletta, Malta in September and the average monthly rainfall is 36mm.

Malta September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:34 18:29
Monday, 15th September 2025 05:45 18:09
Tuesday, 30th September 2025 05:56 17:47

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