Bethesda September Weather Averages Maryland, United States of America

September Weather Averages for Bethesda

High Temp26°C79°F
Low Temp17°C63°F
Avg Temp21°C70°F
Sunshine Hours203 hours 
Rainfall127.12 mm5.00 In
Rain days7 days 
Pressure1018 mb31 In

 

Bethesda September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200826°C / 79°F17°C / 62°F21°C / 70°F247 hours217.95 mm / 8.58 In8 days1018 mb / 31 In
200924°C / 76°F16°C / 60°F19°C / 67°F199 hours74.63 mm / 2.94 In4 days1018 mb / 31 In
201028°C / 82°F17°C / 62°F22°C / 71°F273 hours197.65 mm / 7.78 In7 days1015 mb / 30 In
201125°C / 77°F17°C / 62°F20°C / 69°F155 hours261.87 mm / 10.31 In14 days1016 mb / 30 In
201226°C / 78°F16°C / 61°F20°C / 68°F249 hours119.97 mm / 4.72 In7 days1017 mb / 30 In
201326°C / 78°F15°C / 59°F20°C / 68°F273 hours31.58 mm / 1.24 In2 days1017 mb / 30 In
201426°C / 78°F16°C / 61°F20°C / 69°F227 hours62.72 mm / 2.47 In7 days1019 mb / 31 In
201527°C / 81°F17°C / 63°F22°C / 71°F164 hours93.54 mm / 3.68 In7 days1018 mb / 31 In
201628°C / 82°F18°C / 65°F23°C / 73°F180 hours181.34 mm / 7.14 In8 days1018 mb / 31 In
201727°C / 80°F18°C / 64°F22°C / 72°F234 hours38.90 mm / 1.53 In4 days1017 mb / 31 In
201827°C / 81°F21°C / 69°F23°C / 74°F109 hours247.91 mm / 9.76 In19 days1020 mb / 31 In
201929°C / 84°F20°C / 68°F24°C / 75°F212 hours33.03 mm / 1.30 In6 days1019 mb / 31 In
202025°C / 77°F17°C / 63°F21°C / 70°F162 hours76.45 mm / 3.01 In6 days1019 mb / 31 In
202127°C / 80°F17°C / 63°F22°C / 71°F222 hours105.36 mm / 4.15 In8 days1017 mb / 30 In
202226°C / 79°F17°C / 62°F21°C / 70°F232 hours124.58 mm / 4.90 In7 days1017 mb / 31 In
202327°C / 80°F17°C / 62°F21°C / 70°F190 hours172.16 mm / 6.78 In4 days1017 mb / 31 In
202425°C / 77°F18°C / 64°F21°C / 70°F163 hours212.17 mm / 8.35 In6 days1018 mb / 31 In
Maryland

 

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