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Holiday Weather Rewind
Photo of Dubrovnik
Photo: Zysko serhii · CC BY-SA 4.0

🇭🇷 Weather in Dubrovnik in September

This is what the weather in Dubrovnik (Dalmatia, Croatia) was like in September in 2017–2026.

Key facts at a glance

Prevailing weather: Sunny

Avg. daytime high

25.1 °C

23.0 °C – 26.9 °C

Avg. night-time low

21.4 °C

19.7 °C – 22.7 °C

Avg. rain days in period

9.7

32 % of days · ≥ 1.0 mm

Avg. precipitation in period

109 mm

18.8 mm – 275 mm

Avg. sunshine per day

n/a

Sunshine duration is not available from this data source.

Avg. sea temperature

–

Sea temperature unavailable for today (daily limit).

Extremes: Highest temperature 32.1 °C (1 Sep 2024) · Lowest temperature 14.1 °C (26 Sep 2018) · Avg. daily peak wind 21 km/h

Weather mix of all days

  • 117Sunny
  • 56Partly cloudy
  • 6Cloudy
  • 44Light rain
  • 53Rain

Summary

  • On average 25.1 °C during the day and 21.4 °C at night.
  • On average 9.7 rain days (Rain day = at least 1.0 mm of precipitation) with 109 mm of precipitation in total.
  • Prevailing: Sunny.
  • Warmest year: 2026 (avg. 26.9 °C), coolest: 2017 (avg. 23.0 °C).
  • Wettest year: 2020 (275 mm), driest: 2018 (18.8 mm).
  • Extremes: 32.1 °C on 1 Sep 2024 and 14.1 °C on 26 Sep 2018.

Overall values from all 10 years. How is this calculated?

Charts

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

  • 2026

    Light rain
    Avg. max26.9°Avg. min22.7°
    Rain days
    6 Rain days
    Precipitation
    54.0 mm
    Avg. sunshine per day
    n/a
    Sea temperature
    –

    Max 31.4 °C · Min 16.3 °C

  • 2025

    Sunny
    Avg. max25.2°Avg. min22.0°
    Rain days
    8 Rain days
    Precipitation
    106 mm
    Avg. cloud cover
    28 % cloudy
    Sea temperature
    –

    Max 27.4 °C · Min 18.3 °C

  • 2024

    Rain
    Avg. max24.5°Avg. min21.3°
    Rain days
    20 Rain days
    Precipitation
    218 mm
    Avg. cloud cover
    45 % cloudy
    Sea temperature
    –

    Max 32.1 °C · Min 14.9 °C

  • 2023

    Sunny
    Avg. max26.3°Avg. min22.3°
    Rain days
    5 Rain days
    Precipitation
    33.9 mm
    Avg. cloud cover
    31 % cloudy
    Sea temperature
    –

    Max 28.4 °C · Min 20.7 °C

  • 2022

    Sunny
    Avg. max23.6°Avg. min20.3°
    Rain days
    15 Rain days
    Precipitation
    150 mm
    Avg. cloud cover
    42 % cloudy
    Sea temperature
    –

    Max 27.5 °C · Min 14.9 °C

  • 2021

    Sunny
    Avg. max24.8°Avg. min20.9°
    Rain days
    7 Rain days
    Precipitation
    65.0 mm
    Avg. cloud cover
    36 % cloudy
    Sea temperature
    –

    Max 26.8 °C · Min 15.9 °C

  • 2020

    Sunny
    Avg. max25.9°Avg. min21.9°
    Rain days
    9 Rain days
    Precipitation
    275 mm
    Avg. cloud cover
    36 % cloudy
    Sea temperature
    –

    Max 30.9 °C · Min 17.0 °C

  • 2019

    Sunny
    Avg. max25.0°Avg. min21.4°
    Rain days
    9 Rain days
    Precipitation
    68.8 mm
    Avg. cloud cover
    37 % cloudy
    Sea temperature
    –

    Max 28.6 °C · Min 16.8 °C

  • 2018

    Sunny
    Avg. max25.6°Avg. min21.1°
    Rain days
    5 Rain days
    Precipitation
    18.8 mm
    Avg. cloud cover
    24 % cloudy
    Sea temperature
    –

    Max 27.8 °C · Min 14.1 °C

  • 2017

    Sunny
    Avg. max23.0°Avg. min19.7°
    Rain days
    13 Rain days
    Precipitation
    104 mm
    Avg. cloud cover
    41 % cloudy
    Sea temperature
    –

    Max 26.4 °C · Min 15.7 °C

Frequently asked questions

How warm is it in Dubrovnik in September?
Daytime highs averaged 25.1 °C, night-time lows 21.4 °C. The highest value of the past 10 years was 32.1 °C (1 Sep 2024), the lowest 14.1 °C (26 Sep 2018).
How often does it rain in Dubrovnik in September?
On average there were 9.7 rain days (at least 1 mm) with 109 mm of precipitation in total.

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Destination
🇭🇷 Dubrovnik
Dalmatia, Croatia
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Data sources

Weather data
Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature
MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search
Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)