Walla Walla September Weather Averages Washington, United States of America

September Weather Averages for Walla Walla

High Temp25°C77°F
Low Temp12°C54°F
Avg Temp18°C65°F
Sunshine Hours295 hours 
Rainfall12.77 mm0.50 In
Rain days2 days 
Pressure1014 mb30 In

 

Walla Walla September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200824°C / 76°F11°C / 51°F17°C / 63°F314 hours12.20 mm / 0.48 In1 days1016 mb / 30 In
200926°C / 79°F12°C / 54°F19°C / 66°F348 hours1.90 mm / 0.07 In0 days1015 mb / 30 In
201024°C / 75°F11°C / 51°F17°C / 62°F276 hours10.30 mm / 0.41 In1 days1014 mb / 30 In
201127°C / 80°F12°C / 54°F19°C / 67°F319 hours0.10 mm / 0.00 In0 days1015 mb / 30 In
201226°C / 79°F11°C / 52°F18°C / 64°F348 hours0.60 mm / 0.02 In1 days1017 mb / 31 In
201324°C / 75°F12°C / 54°F18°C / 64°F248 hours48.65 mm / 1.92 In6 days1011 mb / 30 In
201425°C / 77°F12°C / 53°F18°C / 65°F325 hours5.93 mm / 0.23 In1 days1013 mb / 30 In
201524°C / 75°F11°C / 52°F17°C / 63°F283 hours12.00 mm / 0.47 In2 days1013 mb / 30 In
201623°C / 73°F11°C / 52°F16°C / 62°F311 hours11.20 mm / 0.44 In4 days1016 mb / 30 In
201725°C / 77°F13°C / 56°F19°C / 66°F302 hours13.90 mm / 0.55 In2 days1014 mb / 30 In
201823°C / 74°F11°C / 52°F17°C / 62°F339 hours0.80 mm / 0.03 In0 days1015 mb / 30 In
201922°C / 72°F12°C / 54°F17°C / 63°F247 hours27.40 mm / 1.08 In5 days1014 mb / 30 In
202028°C / 82°F15°C / 59°F21°C / 70°F309 hours8.00 mm / 0.31 In0 days1015 mb / 30 In
202126°C / 78°F13°C / 55°F19°C / 66°F278 hours24.00 mm / 0.94 In4 days1014 mb / 30 In
202228°C / 82°F15°C / 58°F21°C / 69°F292 hours3.00 mm / 0.12 In1 days1012 mb / 30 In
202325°C / 77°F12°C / 54°F18°C / 64°F216 hours24.81 mm / 0.98 In2 days1014 mb / 30 In
202427°C / 80°F15°C / 59°F20°C / 68°F274 hours11.72 mm / 0.46 In0 days1012 mb / 30 In
Washington

 

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