Climate Comparison

Sun Valley vs Banff in September

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Sun Valley versus Banff weather metrics for September
Climate MetricSun ValleyUnited StatesBanffCanada
VerdictExcellentExcellent
Avg high temp71°F68°F
How it feelsVery dryVery dry
Rain days67
Sunshine11.5h9.9h

Annual Comparison

Avg. high temperature (°F)

Typical daytime high you can expect.

20°30°40°50°60°70°80°90°JFMAMJJASOND71°68°
  • Sun Valley
  • Banff

Avg. high temperature (°F)

Typical daytime high you can expect.

20°30°40°50°60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDec71°68°
  • Sun Valley
  • Banff

Precipitation (in)

0.02.04.06.0JanFebMarAprMayJunJulAugSepOctNovDec1.31.6
  • Sun Valley
  • Banff

Sunshine hours (h/day)

0.02.04.06.08.010.012.014.016.0JanFebMarAprMayJunJulAugSepOctNovDec11.59.9
  • Sun Valley
  • Banff

Air feel (%)

Share of time the air feels humid or very humid.

0%5%10%JanFebMarAprMayJunJulAugSepOctNovDec
  • Sun Valley
  • Banff

Go deeper

Full climate detail for Sun Valley→Full climate detail for Banff→
Compare Sun Valley in other monthsAugustOctober