ERA5 almanac comparison — 8 years of real data
Park City vs Santa Fe: weather in September
Santa Fe edges out Park City for sun in September: 50% clear historically versus 30% (8-year ERA5 average, a 20-point gap). Park City also sees measurably more rain than Santa Fe this month (32% vs 16% of days). Both are viable — Santa Fe is the safer bet.
Park City
UT
- Clear days, September
- 30%
- Sample size
- n=240 days
- Avg high
- 70°F
- Early September (1st–15th)
- 41%
- Late September (16th–end)
- 19%
- Rain frequency
- 32% of days
Santa Fe
NM
- Clear days, September
- 50%
- Sample size
- n=240 days
- Avg high
- 76°F
- Early September (1st–15th)
- 50%
- Late September (16th–end)
- 50%
- Rain frequency
- 16% of days
Frequently asked
Is Park City or Santa Fe warmer in September?
Santa Fe runs warmer by day in September. Park City averages highs of 70°F (highs n=240 days); Santa Fe averages highs of 76°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Park City or Santa Fe in September?
Park City is measurably wetter than Santa Fe. Days with measurable rain: Park City 32%, Santa Fe 16% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in September, Park City or Santa Fe?
Santa Fe edges out Park City for sun in September: 50% clear historically versus 30% (8-year ERA5 average, a 20-point gap). Park City also sees measurably more rain than Santa Fe this month (32% vs 16% of days). Both are viable — Santa Fe is the safer bet.
Compare Park City vs Santa Fe 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.