San Jose, CA

8:46 AM PDT on July 20, 2017 (GMT -0700)
San Jose International

Weather History for KSJC - September, 2013

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Friday, September 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F 68 °F  
Max Temperature 76 °F 80 °F 100 °F (1939)
Min Temperature 56 °F 57 °F 40 °F (1895)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 1 6  
Cooling Degree Days 1 4  
Month to date cooling degree days 102 87  
Year to date cooling degree days 527 570  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 65    
Maximum Humidity 80    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.01 in 0.02 in (2005)
Month to date precipitation T 0.09  
Year to date precipitation 2.24 10.64  
Since 1 July precipitation T  
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 18 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 20, 2013 Rise Set
Actual Time 6:54 AM PDT 7:07 PM PDT
Civil Twilight 6:28 AM PDT 7:33 PM PDT
Nautical Twilight 5:57 AM PDT 8:03 PM PDT
Astronomical Twilight 5:26 AM PDT 8:34 PM PDT
Moon 7:47 PM PDT 8:11 AM PDT
Length of Visible Light 13h 05m
Length of Day
12h 13m
Full, 98% of the Moon is Illuminated
Sep 20
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 61.0 °F 51.1 °F 70% 29.79 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 59.0 °F 48.9 °F 69% 29.80 in 10.0 mi NW 4.6 mph - N/A   Clear
2:53 AM 59.0 °F 51.1 °F 75% 29.80 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 57.9 °F 51.1 °F 78% 29.81 in 10.0 mi NNW 3.5 mph - N/A   Clear
4:53 AM 57.9 °F 51.1 °F 78% 29.81 in 10.0 mi NNW 3.5 mph - N/A   Clear
5:53 AM 57.9 °F 51.1 °F 78% 29.82 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 AM 57.0 °F 50.0 °F 77% 29.82 in 10.0 mi SE 4.6 mph - N/A   Partly Cloudy
7:02 AM 57.2 °F 50.0 °F 77% 29.83 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
7:53 AM 57.9 °F 51.1 °F 78% 29.83 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
8:53 AM 62.1 °F 53.1 °F 72% 29.84 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 AM 66.0 °F 54.0 °F 65% 29.86 in 10.0 mi WNW 4.6 mph - N/A   Partly Cloudy
10:53 AM 68.0 °F 55.0 °F 63% 29.88 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
11:53 AM 70.0 °F 57.0 °F 63% 29.88 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
12:53 PM 71.1 °F 55.9 °F 59% 29.88 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
1:53 PM 73.9 °F 55.9 °F 53% 29.85 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
2:53 PM 75.9 °F 55.9 °F 50% 29.84 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
3:53 PM 75.0 °F 57.0 °F 53% 29.83 in 10.0 mi NW 16.1 mph - N/A   Partly Cloudy
4:53 PM 73.9 °F 57.9 °F 57% 29.82 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
5:53 PM 73.9 °F 57.0 °F 55% 29.82 in 10.0 mi NNW 15.0 mph - N/A   Scattered Clouds
6:53 PM 70.0 °F 57.0 °F 63% 29.83 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
7:53 PM 68.0 °F 55.9 °F 65% 29.83 in 10.0 mi NW 10.4 mph - N/A   Partly Cloudy
8:53 PM 66.9 °F 55.9 °F 68% 29.85 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
9:53 PM 66.9 °F 55.0 °F 66% 29.86 in 10.0 mi SSE 8.1 mph - N/A   Scattered Clouds
10:53 PM 66.9 °F 55.0 °F 66% 29.86 in 10.0 mi SSE 8.1 mph - N/A   Scattered Clouds
11:53 PM 66.0 °F 55.9 °F 70% 29.85 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds