ERA5 almanac comparison — 8 years of real data
Gulf Shores vs Newport Beach: weather in September
Newport Beach is the clear winner for sun in September: 70% of days historically clear versus just 32% in Gulf Shores — a 38-point gap across 8 years of ERA5 data. Gulf Shores also sees measurably more rain than Newport Beach this month (42% vs 7% of days). This isn't close.
Gulf Shores
AL
- Clear days, September
- 32%
- Sample size
- n=240 days
- Avg high
- 85°F
- Early September (1st–15th)
- 31%
- Late September (16th–end)
- 33%
- Rain frequency
- 42% of days
Newport Beach
CA
- Clear days, September
- 70%
- Sample size
- n=240 days
- Avg high
- 76°F
- Early September (1st–15th)
- 82%
- Late September (16th–end)
- 59%
- Rain frequency
- 7% of days
Frequently asked
Is Gulf Shores or Newport Beach warmer in September?
Gulf Shores runs warmer by day in September. Gulf Shores averages highs of 85°F (highs n=240 days); Newport Beach averages highs of 76°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Gulf Shores or Newport Beach in September?
Gulf Shores is measurably wetter than Newport Beach. Days with measurable rain: Gulf Shores 42%, Newport Beach 7% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in September, Gulf Shores or Newport Beach?
Newport Beach is the clear winner for sun in September: 70% of days historically clear versus just 32% in Gulf Shores — a 38-point gap across 8 years of ERA5 data. Gulf Shores also sees measurably more rain than Newport Beach this month (42% vs 7% of days). This isn't close.
Compare Gulf Shores vs Newport 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 forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.