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Sunday, November 19, 2017 12:31 AM PST

San Bernardino, California Weather Summary
Previous MonthSeptember, 2011Next Month

Sun Mon Tue Wed Thu Fri Sat
        1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30  

 Extremes      Average    Normal
High Temperature:  103.5°F (39.7°C) at 3:00PM Sep 7    91.3°F (32.9°C)    92°F (34°C)
Low Temperature:  58.3°F (14.6°C) at 7:10AM Sep 18    63.7°F (17.6°C)    66°F (19°C)
 
Month Average:  75.7°F (24.3°C) for 30 days
Normal Average:  78°F (26°C)
Precipitation:  0.01" (0.2 mm)

Date    High    Low    Average    Precipitation
September 1    95.0°F(35.0°C)    61.6°F(16.4°C)    76.9°F(24.9°C)    0.00"(0.0 mm)
September 2    95.6°F(35.3°C)    63.5°F(17.5°C)    78.9°F(26.0°C)    0.00"(0.0 mm)
September 3    96.0°F(35.6°C)    63.6°F(17.6°C)    79.1°F(26.1°C)    0.00"(0.0 mm)
September 4    91.5°F(33.1°C)    65.9°F(18.8°C)    78.6°F(25.9°C)    0.00"(0.0 mm)
September 5    93.6°F(34.2°C)    70.5°F(21.4°C)    80.3°F(26.8°C)    0.01"(0.2 mm)
September 6    101.6°F(38.7°C)    69.6°F(20.9°C)    86.1°F(30.1°C)    0.00"(0.0 mm)
September 7    103.5°F(39.7°C)    74.4°F(23.5°C)    88.7°F(31.5°C)    0.00"(0.0 mm)
September 8    99.1°F(37.3°C)    74.4°F(23.5°C)    86.2°F(30.1°C)    0.00"(0.0 mm)
September 9    92.1°F(33.4°C)    67.0°F(19.4°C)    78.2°F(25.7°C)    0.00"(0.0 mm)
September 10    77.8°F(25.5°C)    61.2°F(16.2°C)    68.2°F(20.1°C)    0.00"(0.0 mm)
September 11    84.5°F(29.1°C)    61.5°F(16.4°C)    70.4°F(21.3°C)    0.00"(0.0 mm)
September 12    94.8°F(34.9°C)    59.6°F(15.3°C)    75.9°F(24.4°C)    0.00"(0.0 mm)
September 13    92.1°F(33.4°C)    66.4°F(19.1°C)    77.2°F(25.1°C)    0.00"(0.0 mm)
September 14    85.4°F(29.6°C)    64.1°F(17.8°C)    74.0°F(23.4°C)    0.00"(0.0 mm)
September 15    87.0°F(30.5°C)    61.6°F(16.5°C)    71.9°F(22.2°C)    0.00"(0.0 mm)
September 16    78.5°F(25.9°C)    62.0°F(16.7°C)    67.7°F(19.8°C)    0.00"(0.0 mm)
September 17    81.6°F(27.6°C)    62.1°F(16.7°C)    68.4°F(20.2°C)    0.00"(0.0 mm)
September 18    96.3°F(35.7°C)    58.3°F(14.6°C)    75.1°F(24.0°C)    0.00"(0.0 mm)
September 19    98.1°F(36.7°C)    64.3°F(18.0°C)    79.5°F(26.4°C)    0.00"(0.0 mm)
September 20    92.8°F(33.8°C)    63.2°F(17.4°C)    76.0°F(24.5°C)    0.00"(0.0 mm)
September 21    94.0°F(34.4°C)    60.8°F(16.0°C)    75.0°F(23.9°C)    0.00"(0.0 mm)
September 22    100.4°F(38.0°C)    62.0°F(16.7°C)    78.7°F(25.9°C)    0.00"(0.0 mm)
September 23    95.3°F(35.1°C)    64.9°F(18.3°C)    77.2°F(25.1°C)    0.00"(0.0 mm)
September 24    81.8°F(27.7°C)    61.6°F(16.5°C)    69.4°F(20.8°C)    0.00"(0.0 mm)
September 25    76.2°F(24.6°C)    60.9°F(16.1°C)    65.5°F(18.6°C)    0.00"(0.0 mm)
September 26    81.6°F(27.6°C)    59.0°F(15.0°C)    67.9°F(20.0°C)    0.00"(0.0 mm)
September 27    100.1°F(37.8°C)    60.7°F(16.0°C)    77.8°F(25.5°C)    0.00"(0.0 mm)
September 28    88.9°F(31.6°C)    63.5°F(17.5°C)    73.8°F(23.2°C)    0.00"(0.0 mm)
September 29    91.0°F(32.8°C)    61.7°F(16.5°C)    74.4°F(23.6°C)    0.00"(0.0 mm)
September 30    91.8°F(33.2°C)    61.8°F(16.6°C)    75.3°F(24.1°C)    0.00"(0.0 mm)

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