Lewiston September Weather Averages Idaho, United States of America

September Weather Averages for Lewiston

High Temp26°C79°F
Low Temp12°C53°F
Avg Temp18°C65°F
Sunshine Hours287 hours 
Rainfall20.82 mm0.82 In
Rain days2 days 
Pressure1014 mb30 In

 

Lewiston September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200826°C / 78°F10°C / 51°F18°C / 64°F313 hours14.50 mm / 0.57 In2 days1016 mb / 30 In
200928°C / 82°F12°C / 54°F19°C / 67°F317 hours2.80 mm / 0.11 In1 days1015 mb / 30 In
201025°C / 77°F11°C / 51°F17°C / 63°F292 hours22.20 mm / 0.87 In2 days1014 mb / 30 In
201129°C / 83°F13°C / 55°F20°C / 68°F330 hours2.20 mm / 0.09 In0 days1016 mb / 30 In
201228°C / 82°F12°C / 54°F19°C / 67°F354 hours0.20 mm / 0.01 In0 days1017 mb / 31 In
201325°C / 77°F12°C / 54°F18°C / 64°F232 hours69.33 mm / 2.73 In7 days1011 mb / 30 In
201426°C / 80°F12°C / 53°F19°C / 66°F319 hours8.50 mm / 0.33 In1 days1013 mb / 30 In
201524°C / 76°F12°C / 54°F18°C / 64°F265 hours18.50 mm / 0.73 In2 days1014 mb / 30 In
201624°C / 75°F11°C / 51°F17°C / 62°F297 hours19.80 mm / 0.78 In3 days1016 mb / 30 In
201725°C / 78°F13°C / 55°F19°C / 66°F301 hours26.40 mm / 1.04 In3 days1015 mb / 30 In
201824°C / 75°F12°C / 53°F18°C / 64°F322 hours3.80 mm / 0.15 In1 days1015 mb / 30 In
201923°C / 73°F12°C / 53°F17°C / 62°F242 hours41.20 mm / 1.62 In4 days1014 mb / 30 In
202028°C / 82°F13°C / 56°F21°C / 69°F304 hours7.00 mm / 0.28 In0 days1016 mb / 30 In
202126°C / 79°F12°C / 53°F18°C / 65°F286 hours44.72 mm / 1.76 In4 days1014 mb / 30 In
202228°C / 82°F13°C / 55°F20°C / 68°F250 hours27.06 mm / 1.07 In2 days1013 mb / 30 In
202325°C / 78°F10°C / 50°F17°C / 62°F210 hours31.00 mm / 1.22 In3 days1014 mb / 30 In
202427°C / 80°F12°C / 53°F19°C / 66°F272 hours8.37 mm / 0.33 In0 days1012 mb / 30 In
Idaho

 

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