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Friday, November 17, 2017 1:04 PM PST

San Bernardino, California Weather Summary
Previous MonthSeptember, 2016Next 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:  103.9°F (39.9°C) at 3:47PM Sep 18    89.8°F (32.1°C)    92°F (34°C)
Low Temperature:  54.4°F (12.5°C) at 7:15AM Sep 14    63.5°F (17.5°C)    66°F (19°C)
 
Month Average:  75.5°F (24.2°C) for 30 days
Normal Average:  78°F (26°C)
Precipitation:  0.00" (0.0 mm)

Date    High    Low    Average    Precipitation
September 1    96.0°F(35.5°C)    69.3°F(20.7°C)    80.8°F(27.1°C)    0.00"(0.0 mm)
September 2    90.5°F(32.5°C)    63.9°F(17.7°C)    74.3°F(23.5°C)    0.00"(0.0 mm)
September 3    82.5°F(28.0°C)    62.7°F(17.0°C)    69.8°F(21.0°C)    0.00"(0.0 mm)
September 4    79.9°F(26.6°C)    62.5°F(16.9°C)    68.1°F(20.1°C)    0.00"(0.0 mm)
September 5    81.1°F(27.3°C)    62.7°F(17.1°C)    69.0°F(20.6°C)    0.00"(0.0 mm)
September 6    90.1°F(32.3°C)    59.9°F(15.5°C)    72.8°F(22.7°C)    0.00"(0.0 mm)
September 7    91.0°F(32.8°C)    63.9°F(17.7°C)    75.0°F(23.9°C)    0.00"(0.0 mm)
September 8    87.8°F(31.0°C)    63.0°F(17.2°C)    73.3°F(22.9°C)    0.00"(0.0 mm)
September 9    92.0°F(33.3°C)    62.7°F(17.0°C)    75.6°F(24.2°C)    0.00"(0.0 mm)
September 10    95.3°F(35.2°C)    65.2°F(18.4°C)    79.1°F(26.2°C)    0.00"(0.0 mm)
September 11    92.3°F(33.5°C)    63.9°F(17.7°C)    77.4°F(25.2°C)    0.00"(0.0 mm)
September 12    81.5°F(27.5°C)    60.3°F(15.7°C)    67.6°F(19.8°C)    0.00"(0.0 mm)
September 13    71.2°F(21.8°C)    61.0°F(16.1°C)    65.0°F(18.3°C)    0.00"(0.0 mm)
September 14    81.7°F(27.6°C)    54.4°F(12.5°C)    67.3°F(19.6°C)    0.00"(0.0 mm)
September 15    87.3°F(30.7°C)    56.6°F(13.6°C)    70.6°F(21.4°C)    0.00"(0.0 mm)
September 16    88.7°F(31.5°C)    58.2°F(14.6°C)    72.6°F(22.6°C)    0.00"(0.0 mm)
September 17    94.3°F(34.6°C)    59.1°F(15.0°C)    76.5°F(24.7°C)    0.00"(0.0 mm)
September 18    103.9°F(39.9°C)    63.0°F(17.2°C)    83.9°F(28.9°C)    0.00"(0.0 mm)
September 19    99.2°F(37.4°C)    68.9°F(20.5°C)    82.6°F(28.1°C)    0.00"(0.0 mm)
September 20    84.1°F(29.0°C)    71.7°F(22.0°C)    77.0°F(25.0°C)    0.00"(0.0 mm)
September 21    88.0°F(31.1°C)    68.4°F(20.2°C)    77.1°F(25.0°C)    0.00"(0.0 mm)
September 22    79.3°F(26.3°C)    62.5°F(17.0°C)    70.8°F(21.6°C)    0.00"(0.0 mm)
September 23    86.6°F(30.3°C)    55.6°F(13.1°C)    69.8°F(21.0°C)    0.00"(0.0 mm)
September 24    95.2°F(35.1°C)    60.4°F(15.8°C)    77.9°F(25.5°C)    0.00"(0.0 mm)
September 25    97.8°F(36.6°C)    62.9°F(17.2°C)    82.7°F(28.2°C)    0.00"(0.0 mm)
September 26    99.6°F(37.6°C)    68.1°F(20.1°C)    84.8°F(29.3°C)    0.00"(0.0 mm)
September 27    96.3°F(35.7°C)    70.2°F(21.2°C)    82.4°F(28.0°C)    0.00"(0.0 mm)
September 28    93.0°F(33.9°C)    67.4°F(19.7°C)    80.3°F(26.9°C)    0.00"(0.0 mm)
September 29    95.3°F(35.1°C)    67.9°F(19.9°C)    81.2°F(27.3°C)    0.00"(0.0 mm)
September 30    92.7°F(33.7°C)    68.0°F(20.0°C)    80.4°F(26.9°C)    0.00"(0.0 mm)

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