Climate Comparison

Philadelphia vs Boston in September

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Philadelphia versus Boston weather metrics for September
Climate MetricPhiladelphiaUnited StatesBostonUnited StatesBest
VerdictGoodExcellent
Avg high temp78°F72°F
How it feelsComfortableComfortable
Rain days98
Sunshine9.2h9.1h

Annual Comparison

Avg. high temperature (°F)

Typical daytime high you can expect.

30°40°50°60°70°80°90°JFMAMJJASOND78°72°
  • Philadelphia
  • Boston

Avg. high temperature (°F)

Typical daytime high you can expect.

30°40°50°60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDec78°72°
  • Philadelphia
  • Boston

Precipitation (in)

0.02.04.06.0JanFebMarAprMayJunJulAugSepOctNovDec3.93.4
  • Philadelphia
  • Boston

Sunshine hours (h/day)

0.02.04.06.08.010.012.0JanFebMarAprMayJunJulAugSepOctNovDec9.29.1
  • Philadelphia
  • Boston

Air feel (%)

Share of time the air feels humid or very humid.

0%5%10%JanFebMarAprMayJunJulAugSepOctNovDec
  • Philadelphia
  • Boston

Go deeper

Full climate detail for Philadelphia→Full climate detail for Boston→
Compare Philadelphia in other monthsAugustOctober