Climate Comparison

Johns Island vs Charleston in September

How the climate for Johns Island and Charleston typically compares in September.

Johns Island versus Charleston weather metrics for September
Climate MetricJohns IslandUnited StatesCharlestonUnited States
Overall score69/10069/100
Avg high temp83°F84°F
How it feelsHumidHumid
Rain days1413
Sunshine9.8h9.7h
Sea temp83°F83°F

Annual Comparison

  • Johns Island
  • Charleston

Avg. high temperature (°F)

Typical daytime high you can expect.

50°60°70°80°90°100°JanFebMarAprMayJunJulAugSepOctNovDec83°84°

Avg. high temperature (°F)

Typical daytime high you can expect.

50°60°70°80°90°100°JanFebMarAprMayJunJulAugSepOctNovDec83°84°

Precipitation (in)

Monthly precipitation patterns across the year.

0.02.04.06.08.0JanFebMarAprMayJunJulAugSepOctNovDec5.15.2

Sunshine hours (h/day)

Average hours of sunshine per day.

0.02.04.06.08.010.012.0JanFebMarAprMayJunJulAugSepOctNovDec9.89.7

Air feel (%)

Share of time the air feels humid or very humid.

0%5%10%JanFebMarAprMayJunJulAugSepOctNovDec

Go deeper

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