ERA5 almanac comparison — 8 years of real data
Barbados vs Savannah: weather in September
Savannah edges out Barbados for sun in September: 32% clear historically versus 4% (8-year ERA5 average, a 28-point gap). Barbados also sees measurably more rain than Savannah this month (71% vs 50% of days). Both are viable — Savannah is the safer bet.
Barbados
Barbados
- Clear days, September
- 4%
- Sample size
- n=240 days
- Avg high
- 84°F
- Early September (1st–15th)
- 3%
- Late September (16th–end)
- 4%
- Rain frequency
- 71% of days
Savannah
GA
- Clear days, September
- 32%
- Sample size
- n=240 days
- Avg high
- 85°F
- Early September (1st–15th)
- 28%
- Late September (16th–end)
- 37%
- Rain frequency
- 50% of days
Frequently asked
Is Barbados or Savannah warmer in September?
Savannah runs warmer by day in September. Barbados averages highs of 84°F (highs n=240 days); Savannah averages highs of 85°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Barbados or Savannah in September?
Barbados is measurably wetter than Savannah. Days with measurable rain: Barbados 71%, Savannah 50% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in September, Barbados or Savannah?
Savannah edges out Barbados for sun in September: 32% clear historically versus 4% (8-year ERA5 average, a 28-point gap). Barbados also sees measurably more rain than Savannah this month (71% vs 50% of days). Both are viable — Savannah is the safer bet.
Compare Barbados vs Savannah 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.