San Juan, PR

9:43 AM AST on October 17, 2017 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - September, 2011

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Week of September 11, 2011 through September 17, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 94 °F 88 °F 83 °F
Mean Temperature 86 °F 82 °F 78 °F
Min Temperature 79 °F 76 °F 73 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 21 17 13 121
Growing Degree Days (base 50) 37 32 28 224
Dew Point  
Dew Point 77 °F 74 °F 69 °F
Precipitation  
Precipitation 0.56 in 0.19 in 0.02 in 0.97 in
Snowdepth - - - -
Wind  
Wind 18 mph 6 mph 0 mph
Gust Wind 26 mph 20 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.02 in 29.93 in 29.83 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Sep. 11, 2011 Rise Set
Actual Time 6:11 AM AST 6:30 PM AST
Civil Twilight 5:49 AM AST 6:51 PM AST
Nautical Twilight 5:23 AM AST 7:17 PM AST
Astronomical Twilight 4:57 AM AST 7:43 PM AST
Moon 5:55 PM AST (9/11) 5:25 AM AST (9/11)
Length of Visible Light 13h 02m
Length of Day
12h 18m
Full, 100% of the Moon is Illuminated
Sep 11
Full
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Daily Weather History & Observations

2011 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  
11 87 83 79 76 75 74 85 78 70 29.91 29.87 29.83 10 10 9 18 8 25 0.06 Rain
12 94 86 78 75 73 72 85 67 49 29.94 29.89 29.83 10 10 10 17 6 26 T  
13 83 78 73 76 74 69 94 82 69 29.99 29.91 29.86 10 10 9 14 5 22 0.56 Rain , Thunderstorm
14 89 84 78 77 75 72 91 74 56 30.00 29.94 29.86 10 10 9 14 5 20 0.06 Rain , Thunderstorm
15 90 84 78 77 76 74 91 78 64 30.02 29.99 29.95 10 9 9 18 7 24 T  
16 87 81 75 75 73 70 94 79 63 30.02 29.98 29.94 10 9 8 18 8 23 0.02  
17 86 80 73 73 71 70 94 80 65 29.97 29.94 29.89 10 10 3 18 6 21 0.27 Rain , Thunderstorm