ERA5 almanac comparison — 8 years of real data
Jacksonville vs Moab: weather in September
Moab is the clear winner for sun in September: 84% of days historically clear versus just 22% in Jacksonville — a 62-point gap across 8 years of ERA5 data. Jacksonville also sees measurably more rain than Moab this month (58% vs 6% of days). This isn't close.
Jacksonville
FL
- Clear days, September
- 22%
- Sample size
- n=240 days
- Avg high
- 86°F
- Early September (1st–15th)
- 17%
- Late September (16th–end)
- 27%
- Rain frequency
- 58% of days
Moab
UT
- Clear days, September
- 84%
- Sample size
- n=240 days
- Avg high
- 88°F
- Early September (1st–15th)
- 80%
- Late September (16th–end)
- 87%
- Rain frequency
- 6% of days
Frequently asked
Is Jacksonville or Moab warmer in September?
Moab runs warmer by day in September. Jacksonville averages highs of 86°F (highs n=240 days); Moab averages highs of 88°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Jacksonville or Moab in September?
Jacksonville is measurably wetter than Moab. Days with measurable rain: Jacksonville 58%, Moab 6% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in September, Jacksonville or Moab?
Moab is the clear winner for sun in September: 84% of days historically clear versus just 22% in Jacksonville — a 62-point gap across 8 years of ERA5 data. Jacksonville also sees measurably more rain than Moab this month (58% vs 6% of days). This isn't close.
Compare Jacksonville vs Moab 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.