ERA5 almanac comparison — 8 years of real data
Los Cabos vs Panama City Beach: weather in September
Los Cabos edges out Panama City Beach for sun in September: 51% clear historically versus 35% (8-year ERA5 average, a 16-point gap). Panama City Beach also sees measurably more rain than Los Cabos this month (46% vs 26% of days). Both are viable — Los Cabos 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.
Los Cabos
MX
- Clear days, September
- 51%
- Sample size
- n=240 days
- Avg high
- 90°F
- Early September (1st–15th)
- 41%
- Late September (16th–end)
- 61%
- Rain frequency
- 26% of days
Panama City Beach
FL
- Clear days, September
- 35%
- Sample size
- n=240 days
- Avg high
- 85°F
- Early September (1st–15th)
- 23%
- Late September (16th–end)
- 47%
- Rain frequency
- 46% of days
Compare Los Cabos vs Panama City Beach 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.