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Weather on September 8

Philadelphia, PA

55 Years of Data

Avg High
82°F
Avg Low
66°F
Warmest
2023
87°F avg
Coldest
1978
64°F avg

About This Date

September 8th in Philadelphia, PA typically brings warm fall weather, with average highs around 82°F and lows near 66°F. Over 54 years of records, the warmest September 8th was in 2023 (87°F average), while the coldest was 1978 (64°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 9% of September 8th dates historically, with the wettest September 8th recording 7.01" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.

Planning for September 8th in Philadelphia, PA? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
202577°57°67°
202481°55°68°0.46"
2023warmest99°75°87°
202272°64°68°
202186°65°75°
202087°67°77°
201886°66°76°7.01"
201774°58°66°
201691°72°81°
201591°72°81°
201483°66°74°0.15"
201381°67°74°
201289°72°80°
201174°68°71°0.36"
201089°75°82°
200975°67°71°
200884°72°78°
200788°70°79°
200684°65°74°
200593°66°80°
200483°72°77°0.18"
200384°66°75°
200290°64°77°
200186°67°76°
200077°59°68°
199988°72°80°
199874°60°67°
199782°67°74°
199690°75°82°
199588°70°79°
199479°59°69°
199369°63°66°
199284°68°76°
199187°67°77°
199074°59°66°
198984°63°73°
198877°57°67°
198777°71°74°
198673°61°67°
198592°74°83°
198479°58°68°
198386°69°78°
198273°61°67°
198180°66°73°
198083°65°74°
197972°60°66°
1978coldest72°56°64°
197778°64°71°
197689°67°78°
197583°66°74°
197479°64°71°
197383°64°73°
197285°62°73°
197190°72°81°
54 years of data from PHILADELPHIA WSFO

Philadelphia, PA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

20°40°60°80°100°JFMAMJJASOND
Avg high Avg low

Philadelphia, PA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"6.7"13.4"JFMAMJJASOND2.4"0"
Rain (in) Snow (in)

Philadelphia, PA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Philadelphia, PA

Philadelphia, PA has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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