Herceg Novi weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Herceg Novi in September based on long-term weather averages. There is usually 8 days with some rainfall and 98 mm of average monthly rainfall in September.

  • 25°C maximum daytime temperature in September in Herceg Novi25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Herceg Novi8
    8 days with some rainfall
  • 14°C minimum night-time temperature in September in Herceg Novi14
    14°C min night temperature
  • 12 hours of daylight per day in September in Herceg Novi12
    12 hours of daylight per day
  • Low heat & humidity in September in Herceg NoviL
    Low heat & humidity
  • 98 mm monthly rainfall in September in Herceg Novi98
    98 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Herceg Novi6
    6 (High) UV index
  • 23°C sea temperature in September in Herceg Novi23
    23°C sea temperature

More about Herceg Novi

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The September weather guide for Montenegro (Herceg Novi) 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.

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

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More about Montenegro

How hot is it in Herceg Novi in September?

Daytime temperatures usually reach 25°C in Herceg Novi in September with low heat and humidity, falling to 14°C at night.

How sunny is it in Herceg Novi in September?

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

How warm is the sea around Herceg Novi in September?

The average sea temperature around Herceg Novi in September is 23°C.

Does it rain in Herceg Novi in September?

There are usually 8 days with some rain in Herceg Novi in September and the average monthly rainfall is 98mm.

Herceg Novi September sunrise & sunset times

Browse the sunrise and sunset times for Herceg Novi in September 2025. Select a month to view Herceg Novi sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:11 18:20
Monday, 15th September 2025 05:26 17:55
Tuesday, 30th September 2025 05:42 17:29

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