Herceg Novi weather in September 2025

Expect 77°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Herceg Novi in September. Check more long-term weather averages for Herceg Novi in September before you book your next holiday to Montenegro in 2025/2026.

  • 77°F maximum daytime temperature in September in Herceg Novi77
    77°F max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Herceg Novi8
    8 days with some rainfall
  • 57°F minimum night-time temperature in September in Herceg Novi57
    57°F 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
  • 3.9 inches monthly rainfall in September in Herceg Novi3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Herceg Novi6
    6 (High) UV index
  • 73°F sea temperature in September in Herceg Novi73
    73°F sea temperature

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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)  |  Imperial (°F)

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More about Montenegro

How hot is it in Herceg Novi in September?

Daytime temperatures usually reach 77°F in Herceg Novi in September with low heat and humidity, falling to 57°F 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 73°F.

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 3.9 inches.

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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