ERA5 almanac comparison — 8 years of real data
Exuma vs Naples: weather in September
Exuma edges out Naples for sun in September: 20% clear historically versus 9% (8-year ERA5 average, a 11-point gap). Naples also sees measurably more rain than Exuma this month (72% vs 52% of days). Both are viable — Exuma is the safer bet.
Exuma
Bahamas
- Clear days, September
- 20%
- Sample size
- n=240 days
- Avg high
- 85°F
- Early September (1st–15th)
- 24%
- Late September (16th–end)
- 17%
- Rain frequency
- 52% of days
Naples
FL
- Clear days, September
- 9%
- Sample size
- n=240 days
- Avg high
- 88°F
- Early September (1st–15th)
- 6%
- Late September (16th–end)
- 12%
- Rain frequency
- 72% of days
Frequently asked
Is Exuma or Naples warmer in September?
Naples runs warmer by day in September. Exuma averages highs of 85°F (highs n=240 days); Naples averages highs of 88°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Exuma or Naples in September?
Naples is measurably wetter than Exuma. Days with measurable rain: Exuma 52%, Naples 72% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in September, Exuma or Naples?
Exuma edges out Naples for sun in September: 20% clear historically versus 9% (8-year ERA5 average, a 11-point gap). Naples also sees measurably more rain than Exuma this month (72% vs 52% of days). Both are viable — Exuma is the safer bet.
Compare Exuma vs Naples 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 forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.