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SunnyDays

ERA5 almanac comparison — 8 years of real data

Fort Lauderdale vs Palm Beach: weather in September

Essentially a tie in September: Fort Lauderdale is 6% clear historically, Palm Beach is 6% clear (8-year ERA5 average) — within the noise. Avg high 86°F vs 86°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific September. For the actual forecast right now, each destination links to its live page below.

Fort Lauderdale

FL

Clear days, September
6%
Sample size
n=240 days
Avg high
86°F
Early September (1st–15th)
3%
Late September (16th–end)
8%
Rain frequency
80% of days
See the live forecast →

Palm Beach

FL

Clear days, September
6%
Sample size
n=240 days
Avg high
86°F
Early September (1st–15th)
5%
Late September (16th–end)
8%
Rain frequency
79% of days
See the live forecast →

Frequently asked

Is Fort Lauderdale or Palm Beach warmer in September?

Equally warm by day in September. Fort Lauderdale averages highs of 86°F (highs n=240 days); Palm Beach averages highs of 86°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Fort Lauderdale or Palm Beach in September?

Days with measurable rain: Fort Lauderdale 80%, Palm Beach 79% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in September, Fort Lauderdale or Palm Beach?

Essentially a tie in September: Fort Lauderdale is 6% clear historically, Palm Beach is 6% clear (8-year ERA5 average) — within the noise. Avg high 86°F vs 86°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.

Compare Fort Lauderdale vs Palm 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.