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Sunday, November 19, 2017 10:04 AM PST

San Bernardino, California Weather Summary
Previous MonthSeptember, 2015Next 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:  104.5°F (40.3°C) at 2:57PM Sep 20    93.1°F (33.9°C)    92°F (34°C)
Low Temperature:  59.2°F (15.1°C) at 6:55AM Sep 5    68.4°F (20.2°C)    66°F (19°C)
 
Month Average:  79.7°F (26.5°C) for 30 days
Normal Average:  78°F (26°C)
Precipitation:  1.79" (45.4 mm)

Date    High    Low    Average    Precipitation
September 1    89.2°F(31.8°C)    64.5°F(18.0°C)    74.1°F(23.4°C)    0.00"(0.0 mm)
September 2    88.2°F(31.2°C)    65.5°F(18.6°C)    74.0°F(23.3°C)    0.00"(0.0 mm)
September 3    84.9°F(29.4°C)    62.5°F(16.9°C)    70.8°F(21.5°C)    0.00"(0.0 mm)
September 4    82.8°F(28.2°C)    62.7°F(17.0°C)    70.7°F(21.5°C)    0.00"(0.0 mm)
September 5    89.3°F(31.9°C)    59.2°F(15.1°C)    73.1°F(22.8°C)    0.00"(0.0 mm)
September 6    94.4°F(34.6°C)    63.2°F(17.3°C)    79.3°F(26.3°C)    0.00"(0.0 mm)
September 7    98.0°F(36.7°C)    69.6°F(20.9°C)    84.6°F(29.2°C)    0.00"(0.0 mm)
September 8    103.4°F(39.7°C)    75.4°F(24.1°C)    88.5°F(31.4°C)    0.00"(0.0 mm)
September 9    101.8°F(38.8°C)    79.6°F(26.4°C)    88.5°F(31.4°C)    0.00"(0.0 mm)
September 10    98.3°F(36.8°C)    77.6°F(25.3°C)    87.1°F(30.6°C)    0.00"(0.0 mm)
September 11    100.0°F(37.8°C)    76.8°F(24.9°C)    86.7°F(30.4°C)    0.00"(0.0 mm)
September 12    90.9°F(32.7°C)    73.7°F(23.2°C)    82.6°F(28.1°C)    0.00"(0.0 mm)
September 13    94.0°F(34.5°C)    73.1°F(22.8°C)    82.4°F(28.0°C)    0.00"(0.0 mm)
September 14    84.6°F(29.2°C)    68.4°F(20.2°C)    76.0°F(24.5°C)    0.00"(0.0 mm)
September 15    78.8°F(26.0°C)    66.8°F(19.3°C)    72.0°F(22.2°C)    1.79"(45.4 mm)
September 16    79.7°F(26.5°C)    64.9°F(18.3°C)    71.1°F(21.7°C)    0.00"(0.0 mm)
September 17    82.9°F(28.3°C)    62.7°F(17.0°C)    72.0°F(22.2°C)    0.00"(0.0 mm)
September 18    96.0°F(35.5°C)    61.4°F(16.3°C)    77.7°F(25.4°C)    0.00"(0.0 mm)
September 19    98.9°F(37.2°C)    65.4°F(18.6°C)    82.7°F(28.1°C)    0.00"(0.0 mm)
September 20    104.5°F(40.3°C)    68.5°F(20.3°C)    86.5°F(30.3°C)    0.00"(0.0 mm)
September 21    94.2°F(34.5°C)    72.6°F(22.6°C)    81.2°F(27.4°C)    0.00"(0.0 mm)
September 22    87.8°F(31.0°C)    71.0°F(21.6°C)    77.4°F(25.2°C)    0.00"(0.0 mm)
September 23    94.6°F(34.8°C)    67.7°F(19.9°C)    79.4°F(26.4°C)    0.00"(0.0 mm)
September 24    99.6°F(37.5°C)    69.4°F(20.8°C)    83.8°F(28.8°C)    0.00"(0.0 mm)
September 25    99.0°F(37.2°C)    71.2°F(21.8°C)    84.8°F(29.4°C)    0.00"(0.0 mm)
September 26    98.9°F(37.2°C)    71.9°F(22.1°C)    84.8°F(29.4°C)    0.00"(0.0 mm)
September 27    96.7°F(35.9°C)    69.5°F(20.9°C)    82.6°F(28.1°C)    0.00"(0.0 mm)
September 28    93.2°F(34.0°C)    67.9°F(19.9°C)    80.2°F(26.8°C)    0.00"(0.0 mm)
September 29    91.9°F(33.3°C)    64.6°F(18.1°C)    78.0°F(25.5°C)    0.00"(0.0 mm)
September 30    95.7°F(35.4°C)    63.6°F(17.6°C)    79.7°F(26.5°C)    0.00"(0.0 mm)

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