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SunnyDays

ERA5 almanac comparison — 8 years of real data

Florence vs Málaga / Costa del Sol: weather in September

Málaga / Costa del Sol edges out Florence for sun in September: 72% clear historically versus 50% (8-year ERA5 average, a 22-point gap). Florence also sees measurably more rain than Málaga / Costa del Sol this month (32% vs 15% of days). Both are viable — Málaga / Costa del Sol is the safer bet.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific September. For this week’s actual forecast, each destination links to its live page below.

Florence

IT

Clear days, September
50%
Sample size
n=240 days
Avg high
80°F
Early September (1st–15th)
62%
Late September (16th–end)
38%
Rain frequency
32% of days
See this week’s live forecast →

Málaga / Costa del Sol

ES

Clear days, September
72%
Sample size
n=240 days
Avg high
82°F
Early September (1st–15th)
71%
Late September (16th–end)
73%
Rain frequency
15% of days
See this week’s live forecast →

Compare Florence vs Málaga / Costa del Sol in another month

All percentages are historical averages from the ERA5 reanalysis via Open-Meteo, 8 full years (2018–2025). “Clear” means avg high ≥ 72 °F, precipitation < 1 mm, and a non-precipitation weather code. This is history, not a forecast. The live 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.