Climate Comparison

Johns Island vs Charleston in September

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Johns Island versus Charleston weather metrics for September
Climate MetricJohns IslandUnited StatesCharlestonUnited States
VerdictSome trade-offsSome trade-offs
Avg high temp83°F84°F
How it feelsHumidHumid
Rain days1413
Sunshine9.8h9.7h
Sea temp83°F83°F

Annual Comparison

Avg. high temperature (°F)

Typical daytime high you can expect.

50°60°70°80°90°100°JFMAMJJASOND83°84°
  • Johns Island
  • Charleston

Avg. high temperature (°F)

Typical daytime high you can expect.

50°60°70°80°90°100°JanFebMarAprMayJunJulAugSepOctNovDec83°84°
  • Johns Island
  • Charleston

Precipitation (in)

0.01.02.03.0JanFebMarAprMayJunJulAugSepOctNovDec1.61.6
  • Johns Island
  • Charleston

Sunshine hours (h/day)

0.02.04.06.08.010.012.0JanFebMarAprMayJunJulAugSepOctNovDec9.89.7
  • Johns Island
  • Charleston

Air feel (%)

Share of time the air feels humid or very humid.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec81%74%
  • Johns Island
  • Charleston

Go deeper

Full climate detail for Johns Island→Full climate detail for Charleston→
Compare Johns Island in other monthsAugustOctober