Riverside (Presidential Park), California Weather Summary
 September, 
      2020
September, 
      2020
 
    
    
      
        
          |  |  | 
        
          | High Temperature: | 111.3°F
            (44.0°C) | at 2:49PM Sep 6 | 93.8°F
            (34.3°C) | 89°F
            (32°C) | 
        
          | Low Temperature: | 60.3°F
            (15.7°C) | at 7:10AM Sep 13 | 64.2°F
            (17.9°C) | 64°F
            (18°C) | 
        |  | 
        
          | Month Average: | 77.6°F
          (25.3°C) | for 30 days | 
        
          | Normal Average: | 75°F
            (24°C) | 
        
          | Precipitation: | 0.00"
            (0.0 mm) | 
      
     
    
    
      
        
          | Date | High | Low | Average | Precipitation | 
| September 1 | 86.5°F(30.3°C) | 61.2°F(16.2°C) | 71.9°F(22.2°C) | 0.00"(0.0 mm) | 
| September 2 | 89.3°F(31.8°C) | 62.4°F(16.9°C) | 74.1°F(23.4°C) | 0.00"(0.0 mm) | 
| September 3 | 92.5°F(33.6°C) | 64.3°F(18.0°C) | 77.3°F(25.2°C) | 0.00"(0.0 mm) | 
| September 4 | 99.1°F(37.3°C) | 66.9°F(19.4°C) | 81.9°F(27.7°C) | 0.00"(0.0 mm) | 
| September 5 | 110.6°F(43.7°C) | 72.5°F(22.5°C) | 90.6°F(32.6°C) | 0.00"(0.0 mm) | 
| September 6 | 111.3°F(44.0°C) | 78.0°F(25.5°C) | 94.0°F(34.4°C) | 0.00"(0.0 mm) | 
| September 7 | 90.9°F(32.7°C) | 73.4°F(23.0°C) | 82.0°F(27.8°C) | 0.00"(0.0 mm) | 
| September 8 | 81.7°F(27.6°C) | 68.4°F(20.2°C) | 73.0°F(22.8°C) | 0.00"(0.0 mm) | 
| September 9 | 90.2°F(32.3°C) | 64.4°F(18.0°C) | 76.3°F(24.6°C) | 0.00"(0.0 mm) | 
| September 10 | 88.3°F(31.3°C) | 60.4°F(15.8°C) | 73.3°F(22.9°C) | 0.00"(0.0 mm) | 
| September 11 | 92.7°F(33.7°C) | 60.6°F(15.9°C) | 74.3°F(23.5°C) | 0.00"(0.0 mm) | 
| September 12 | 91.9°F(33.3°C) | 61.2°F(16.2°C) | 74.1°F(23.4°C) | 0.00"(0.0 mm) | 
| September 13 | 93.2°F(34.0°C) | 60.3°F(15.7°C) | 74.5°F(23.6°C) | 0.00"(0.0 mm) | 
| September 14 | 94.0°F(34.5°C) | 62.3°F(16.9°C) | 76.9°F(24.9°C) | 0.00"(0.0 mm) | 
| September 15 | 94.3°F(34.6°C) | 62.4°F(16.9°C) | 77.7°F(25.4°C) | 0.00"(0.0 mm) | 
| September 16 | 96.0°F(35.6°C) | 63.0°F(17.2°C) | 78.1°F(25.6°C) | 0.00"(0.0 mm) | 
| September 17 | 98.0°F(36.7°C) | 63.1°F(17.3°C) | 79.0°F(26.1°C) | 0.00"(0.0 mm) | 
| September 18 | 98.1°F(36.7°C) | 67.4°F(19.7°C) | 81.7°F(27.6°C) | 0.00"(0.0 mm) | 
| September 19 | 94.1°F(34.5°C) | 66.3°F(19.0°C) | 79.3°F(26.3°C) | 0.00"(0.0 mm) | 
| September 20 | 91.7°F(33.1°C) | 63.2°F(17.3°C) | 75.9°F(24.4°C) | 0.00"(0.0 mm) | 
| September 21 | 89.0°F(31.7°C) | 62.1°F(16.7°C) | 73.8°F(23.2°C) | 0.00"(0.0 mm) | 
| September 22 | 90.7°F(32.6°C) | 61.4°F(16.3°C) | 74.7°F(23.7°C) | 0.00"(0.0 mm) | 
| September 23 | 90.3°F(32.4°C) | 61.8°F(16.6°C) | 75.3°F(24.1°C) | 0.00"(0.0 mm) | 
| September 24 | 92.4°F(33.6°C) | 62.8°F(17.1°C) | 75.8°F(24.3°C) | 0.00"(0.0 mm) | 
| September 25 | 88.2°F(31.2°C) | 60.4°F(15.8°C) | 73.5°F(23.0°C) | 0.00"(0.0 mm) | 
| September 26 | 87.3°F(30.7°C) | 60.4°F(15.8°C) | 71.9°F(22.1°C) | 0.00"(0.0 mm) | 
| September 27 | 88.7°F(31.5°C) | 62.7°F(17.1°C) | 71.8°F(22.1°C) | 0.00"(0.0 mm) | 
| September 28 | 99.1°F(37.3°C) | 62.1°F(16.7°C) | 78.2°F(25.7°C) | 0.00"(0.0 mm) | 
| September 29 | 100.9°F(38.3°C) | 63.9°F(17.7°C) | 81.8°F(27.7°C) | 0.00"(0.0 mm) | 
| September 30 | 102.3°F(39.1°C) | 66.7°F(19.3°C) | 83.9°F(28.8°C) | 0.00"(0.0 mm) |