Skip to content
wherewarm

Greece

Halkidiki weather in September

Is it warm? Yes. September in Halkidiki is warm: afternoons average 27°C and nights 20°C. Most days (80%) peak between 23°C and 30°C.

Warm · average high

27°C

25°C or more on about eight in ten days; 20°C or more on almost every day.

  • Average low20°overnight
  • Sea25°average, 2022–2025
  • Rainy days448 mm in the month
  • SkySome cloud34% cloud · 53% clear days

How warm it really gets

Every September afternoon from 2011–2025: 450 days. Most (80%) peaked between 23° and 30°.

Number of September days by daily high, 2011–2025.

September, year by year

The average September high in each year. The warmest, 2020, averaged 28°C; the coolest, 2014, 25°C.

Average September high by year: 2011: 27.9°C, 2012: 27°C, 2013: 26.8°C, 2014: 25.2°C, 2015: 27°C, 2016: 26°C, 2017: 27°C, 2018: 27°C, 2019: 26.9°C, 2020: 28.4°C, 2021: 26.3°C, 2022: 26°C, 2023: 27.5°C, 2024: 27°C, 2025: 27.4°C.

Compared with home

Average September highs. Expect rain on about 4 days (48 mm in a typical month).

  • Halkidiki27°
  • London21°
  • Manchester18°
  • Dublin18°
  • Cork18°
  • Belfast17°
  • Glasgow17°

Other months

Halkidiki all year · Where else is hot in September

Warmer in September, not much further

Flying times are estimates from Dublin; Halkidiki is about 3h 45m.

  • Hot in Sep

    29°C average high

    avg high · 20° at night

    25°C+ on almost every day

    Alicante & Costa Blanca

    Spain

    Sea
    25°
    Rain
    4 days
    Sky
    Some cloud
    From Dublin
    ≈ 2h 30m
  • Hot in Sep

    28°C average high

    avg high · 20° at night

    25°C+ on 9 in 10 days

    Valencia

    Spain

    Sea
    26°
    Rain
    6 days
    Sky
    Often cloudy
    From Dublin
    ≈ 2h 30m
  • Hot in Sep

    28°C average high

    avg high · 21° at night

    25°C+ on 9 in 10 days

    Mallorca

    Balearic Islands, Spain

    Sea
    27°
    Rain
    6 days
    Sky
    Some cloud
    From Dublin
    ≈ 2h 30m

Air: Copernicus ERA5-Land, 2011–2025. Sea: Copernicus ERA5, 2022–2025. Rainy days = days with 1 mm of rain or more, as weather stations count them. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology