Milos · Month comparison

September vs May

May ranks #1 overall vs September at #3. The single best month — full boat schedule, half the price, no August chaos.

September sunset at Klima fishing village with painted boat doors

September

#3 of 12 months

Best match

Best single month of the year — sea still 24°C, prices drop, meltemi fades.

  • Warmest sea of the year (peaks late September at 25°C) and no morning wind
  • Hotel rates fall back to May levels by Sep 15th
Kleftiko sea caves and turquoise water in May

May

#1 of 12 months

Best match

The single best month — full boat schedule, half the price, no August chaos.

  • Kleftiko boat tours run daily by late May — typically 8-12 guests not 40
  • Sarakiniko before 09:30 still belongs to you for sunrise shots
FactorSeptemberMay
Weather score
10
9
Value score
6
7
Crowd score
6
8
Events score
5
5
Atmosphere
10
10
Avg high temp27°C23°C
Monthly rain10mm15mm
Daily sunshine10hrs10hrs

September trade-offs

  • First Aegean storm typically hits mid-September — 2-3 days of cancelled boats
  • School-holiday families gone but a few resorts feel slightly end-of-season

May trade-offs

  • Sea temperature 19-20°C — comfortable swimming but cooler than July's 24°C
  • Meltemi northerly wind starts kicking up — some north-coast beaches choppy
Scores compare months within Milos. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →