San Francisco, CA

1:27 AM PST on February 10, 2016 (GMT -0800)
San Francisco International

Weather History for KSFO - September, 2013

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Week of September 8, 2013 through September 14, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 76 °F 72 °F 66 °F
Mean Temperature 68 °F 65 °F 62 °F
Min Temperature 62 °F 58 °F 55 °F
Degree Days  
Heating Degree Days (base 65) 3 1 0 6
Cooling Degree Days (base 65) 3 1 0 5
Growing Degree Days (base 50) 18 14 10 100
Dew Point  
Dew Point 59 °F 55 °F 52 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 30 mph 12 mph 0 mph
Gust Wind 37 mph 25 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.00 in 29.86 in 29.72 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Sep. 12, 2013 Rise Set
Actual Time 6:49 AM PDT 7:21 PM PDT
Civil Twilight 6:22 AM PDT 7:47 PM PDT
Nautical Twilight 5:51 AM PDT 8:18 PM PDT
Astronomical Twilight 5:20 AM PDT 8:50 PM PDT
Moon 2:14 PM PDT (9/12) No Moon Set
Length of Visible Light 13h 24m
Length of Day
12h 32m
Waxing Crescent, 51% of the Moon is Illuminated
Sep 12
Waxing Crescent
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
8 74 65 56 58 54 52 86 70 53 29.88 29.83 29.76 10 10 10 26 11 31 0.00  
9 76 66 55 58 55 52 90 70 50 29.82 29.77 29.72 10 10 10 26 11 30 0.00  
10 74 66 57 59 56 54 93 73 53 29.91 29.82 29.76 10 10 10 17 8 21 0.00  
11 74 68 62 57 55 54 78 68 57 30.00 29.97 29.91 10 10 10 18 9 23 0.00  
12 71 65 59 58 57 55 84 73 61 29.99 29.95 29.91 10 10 9 25 11 30 0.00 Fog
13 66 62 57 55 54 54 93 80 67 29.92 29.87 29.80 10 10 7 30 15 37 0.00  
14 66 62 57 55 54 53 87 77 67 29.86 29.81 29.77 10 10 9 25 16 33 0.00