Washington September Weather Averages District of Columbia, United States of America

September Weather Averages for Washington

High Temp27°C80°F
Low Temp17°C63°F
Avg Temp22°C71°F
Sunshine Hours207 hours 
Rainfall117.75 mm4.64 In
Rain days7 days 
Pressure1017 mb31 In

 

Washington September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200925°C / 77°F16°C / 60°F20°C / 68°F202 hours65.12 mm / 2.56 In5 days1018 mb / 31 In
201028°C / 82°F17°C / 63°F22°C / 72°F279 hours188.79 mm / 7.43 In8 days1015 mb / 30 In
201125°C / 78°F17°C / 62°F21°C / 69°F161 hours246.47 mm / 9.70 In14 days1016 mb / 30 In
201226°C / 79°F16°C / 61°F21°C / 69°F256 hours121.41 mm / 4.78 In8 days1017 mb / 30 In
201326°C / 79°F15°C / 59°F20°C / 68°F282 hours27.14 mm / 1.07 In2 days1016 mb / 30 In
201426°C / 79°F16°C / 61°F21°C / 69°F228 hours55.01 mm / 2.17 In7 days1019 mb / 31 In
201528°C / 82°F17°C / 63°F22°C / 72°F159 hours97.02 mm / 3.82 In8 days1018 mb / 31 In
201628°C / 82°F18°C / 65°F23°C / 73°F175 hours193.75 mm / 7.63 In7 days1018 mb / 31 In
201727°C / 81°F18°C / 65°F22°C / 72°F236 hours35.10 mm / 1.38 In3 days1017 mb / 31 In
201827°C / 81°F21°C / 69°F24°C / 75°F110 hours219.57 mm / 8.64 In16 days1020 mb / 31 In
201929°C / 85°F20°C / 67°F24°C / 75°F220 hours27.97 mm / 1.10 In5 days1019 mb / 31 In
202025°C / 77°F18°C / 64°F21°C / 70°F158 hours100.28 mm / 3.95 In8 days1019 mb / 31 In
202127°C / 81°F17°C / 63°F22°C / 71°F216 hours99.30 mm / 3.91 In8 days1016 mb / 30 In
202227°C / 81°F16°C / 61°F21°C / 70°F234 hours127.50 mm / 5.02 In6 days1017 mb / 31 In
202327°C / 81°F17°C / 62°F21°C / 71°F189 hours161.81 mm / 6.37 In5 days1017 mb / 31 In
District of Columbia

 

Cities Near Washington

WashingtonArlingtonMount Rainier
ChillumTakoma ParkSilver Spring
HyattsvilleBethesdaAlexandria
Coral HillsLangley ParkFalls Church
East RiverdaleCollege ParkLincolnia
AdelphiWalker MillJefferson
IdylwoodHillandaleGroveton
ForestvilleAnnandaleCamp Springs
New CarrolltonFranconiaWhite Oak
Tysons CornerFriendlyHybla Valley

 

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