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SunnyDays

ERA5 almanac comparison — 8 years of real data

Dallas vs Panama City Beach: weather in September

Dallas edges out Panama City Beach for sun in September: 48% clear historically versus 35% (8-year ERA5 average, a 13-point gap). Panama City Beach also sees measurably more rain than Dallas this month (46% vs 30% of days). Both are viable — Dallas is the safer bet.

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.

Dallas

TX

Clear days, September
48%
Sample size
n=240 days
Avg high
90°F
Early September (1st–15th)
46%
Late September (16th–end)
51%
Rain frequency
30% of days

Panama City Beach

FL

Clear days, September
35%
Sample size
n=240 days
Avg high
85°F
Early September (1st–15th)
23%
Late September (16th–end)
47%
Rain frequency
46% of days
See the live forecast →

Frequently asked

Is Dallas or Panama City Beach warmer in September?

Dallas runs warmer by day in September. Dallas averages highs of 90°F (highs n=240 days); Panama City Beach averages highs of 85°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Dallas or Panama City Beach in September?

Panama City Beach is measurably wetter than Dallas. Days with measurable rain: Dallas 30%, Panama City Beach 46% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in September, Dallas or Panama City Beach?

Dallas edges out Panama City Beach for sun in September: 48% clear historically versus 35% (8-year ERA5 average, a 13-point gap). Panama City Beach also sees measurably more rain than Dallas this month (46% vs 30% of days). Both are viable — Dallas is the safer bet.

Compare Dallas vs Panama City 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.