ERA5 almanac comparison — 8 years of real data
Dallas vs Destin: weather in September
Dallas edges out Destin for sun in September: 48% clear historically versus 33% (8-year ERA5 average, a 15-point gap). Destin also sees measurably more rain than Dallas this month (48% vs 30% of days). Both are viable — Dallas is the safer bet.
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
Destin
FL
- Clear days, September
- 33%
- Sample size
- n=240 days
- Avg high
- 86°F
- Early September (1st–15th)
- 27%
- Late September (16th–end)
- 39%
- Rain frequency
- 48% of days
Frequently asked
Is Dallas or Destin warmer in September?
Dallas runs warmer by day in September. Dallas averages highs of 90°F (highs n=240 days); Destin averages highs of 86°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Dallas or Destin in September?
Destin is measurably wetter than Dallas. Days with measurable rain: Dallas 30%, Destin 48% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in September, Dallas or Destin?
Dallas edges out Destin for sun in September: 48% clear historically versus 33% (8-year ERA5 average, a 15-point gap). Destin also sees measurably more rain than Dallas this month (48% vs 30% of days). Both are viable — Dallas is the safer bet.
Compare Dallas vs Destin 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.