ERA5 almanac comparison — 8 years of real data
Palm Beach Gardens vs Shenandoah Valley: weather in September
Shenandoah Valley is the clear winner for sun in September: 36% of days historically clear versus just 5% in Palm Beach Gardens — a 31-point gap across 8 years of ERA5 data. Palm Beach Gardens also sees measurably more rain than Shenandoah Valley this month (76% vs 36% of days). This isn't close.
Palm Beach Gardens
FL
- Clear days, September
- 5%
- Sample size
- n=240 days
- Avg high
- 86°F
- Early September (1st–15th)
- 2%
- Late September (16th–end)
- 8%
- Rain frequency
- 76% of days
Shenandoah Valley
VA
- Clear days, September
- 36%
- Sample size
- n=240 days
- Avg high
- 78°F
- Early September (1st–15th)
- 49%
- Late September (16th–end)
- 24%
- Rain frequency
- 36% of days
Compare Palm Beach Gardens vs Shenandoah Valley 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.