San Juan, PR

8:08 AM AST on May 27, 2018 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - September, 2014

Change the Weather History Date:

Monday, September 22, 2014

  Actual Average Record
Temperature  
Mean Temperature 83 °F 83 °F  
Max Temperature 88 °F 89 °F 94 °F (1999)
Min Temperature 78 °F 78 °F 71 °F (1947)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 18 18  
Month to date cooling degree days 407 411  
Year to date cooling degree days 4622 4275  
Growing Degree Days 33 (Base 50)    
Moisture  
Dew Point 77 °F    
Average Humidity 83    
Maximum Humidity 91    
Minimum Humidity 75    
Precipitation  
Precipitation 0.06 in 0.18 in 2.63 in (2008)
Month to date precipitation 4.86 4.36  
Year to date precipitation 37.58 37.98  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 9 mph (ENE)    
Max Wind Speed 16 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 22, 2014 Rise Set
Actual Time 6:12 AM AST 6:20 PM AST
Civil Twilight 5:51 AM AST 6:41 PM AST
Nautical Twilight 5:25 AM AST 7:07 PM AST
Astronomical Twilight 5:00 AM AST 7:32 PM AST
Moon 4:47 AM AST (9/22) 5:19 PM AST (9/22)
Length of Visible Light 12h 50m
Length of Day
12h 07m
Waning Crescent, 2% of the Moon is Illuminated
Sep 22
Waning Crescent
Sep 24
New
Oct 1
First Quarter
Oct 8
Full
Oct 15
Last Quarter

Hourly Weather History & Observations

Time (AST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 82.0 °F 90.2 °F 77.0 °F 85% 30.00 in 10.0 mi ESE 5.8 mph - 0.00 in   Mostly Cloudy
1:56 AM 82.0 °F 90.2 °F 77.0 °F 85% 29.97 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
2:56 AM 82.0 °F 90.2 °F 77.0 °F 85% 29.94 in 10.0 mi ENE 9.2 mph - N/A   Scattered Clouds
3:56 AM 82.9 °F 90.8 °F 75.9 °F 79% 29.93 in 10.0 mi NE 12.7 mph - N/A   Partly Cloudy
4:56 AM 82.9 °F 90.8 °F 75.9 °F 79% 29.93 in 10.0 mi NE 9.2 mph - N/A   Scattered Clouds
5:56 AM 82.9 °F 90.8 °F 75.9 °F 79% 29.94 in 10.0 mi NE 10.4 mph - N/A   Scattered Clouds
6:56 AM 82.9 °F 92.8 °F 78.1 °F 85% 29.96 in 10.0 mi NE 9.2 mph - 0.01 in   Scattered Clouds
7:56 AM 84.0 °F 93.7 °F 77.0 °F 79% 29.98 in 10.0 mi NE 13.8 mph - N/A   Scattered Clouds
8:56 AM 84.0 °F 94.8 °F 78.1 °F 82% 29.99 in 10.0 mi NE 12.7 mph - 0.02 in   Scattered Clouds
9:56 AM 87.1 °F 99.8 °F 78.1 °F 74% 29.99 in 10.0 mi NE 13.8 mph - N/A   Scattered Clouds
10:56 AM 88.0 °F 101.3 °F 78.1 °F 72% 29.98 in 10.0 mi NE 13.8 mph - N/A   Scattered Clouds
11:56 AM 87.1 °F 99.8 °F 78.1 °F 74% 29.96 in 10.0 mi NE 13.8 mph 20.7 mph N/A   Scattered Clouds
12:56 PM 88.0 °F 103.1 °F 79.0 °F 75% 29.93 in 10.0 mi NE 12.7 mph - N/A   Scattered Clouds
1:56 PM 87.1 °F 101.5 °F 79.0 °F 77% 29.90 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
2:56 PM 87.1 °F 99.8 °F 78.1 °F 74% 29.89 in 10.0 mi NE 10.4 mph 17.3 mph N/A   Scattered Clouds
3:56 PM 87.1 °F 99.8 °F 78.1 °F 74% 29.87 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
4:56 PM 84.9 °F 96.6 °F 78.1 °F 80% 29.87 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
5:56 PM 81.0 °F 87.9 °F 77.0 °F 88% 29.90 in 9.0 mi ENE 10.4 mph - 0.01 in Rain Light Rain
6:56 PM 80.1 °F 85.8 °F 77.0 °F 90% 29.91 in 9.0 mi NE 9.2 mph - N/A Rain Light Rain
7:56 PM 80.1 °F 85.8 °F 77.0 °F 90% 29.93 in 10.0 mi ENE 4.6 mph - 0.01 in   Scattered Clouds
8:40 PM 78.8 °F - 75.2 °F 89% 29.96 in 8.0 mi East 10.4 mph - 0.03 in Rain , Thunderstorm Light Thunderstorms and Rain
8:56 PM 78.1 °F - 75.9 °F 93% 29.94 in 9.0 mi ESE 6.9 mph - 0.04 in Rain Light Rain
9:56 PM 79.0 °F - 75.9 °F 90% 29.94 in 10.0 mi Calm Calm - 0.01 in   Scattered Clouds
10:56 PM 79.0 °F - 75.9 °F 90% 29.94 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
11:56 PM 80.1 °F 85.1 °F 75.0 °F 85% 29.94 in 10.0 mi Calm Calm - N/A   Partly Cloudy