Weather History for San Diego, CA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 101 °F 81 °F 75 °F
Mean Temperature 87 °F 75 °F 71 °F
Min Temperature 72 °F 69 °F 65 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 22 10 6 300
Growing Degree Days (base 50) 36 25 20 736
Dew Point  
Dew Point 69 °F 63 °F 36 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 17 mph 6 mph 0 mph
Gust Wind 22 mph 18 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.06 in 29.94 in 29.85 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 07, 2012 Rise Set
Actual Time 6:27 AM PDT 7:04 PM PDT
Civil Twilight 6:02 AM PDT 7:29 PM PDT
Nautical Twilight 5:33 AM PDT 7:58 PM PDT
Astronomical Twilight 5:03 AM PDT 8:28 PM PDT
Moon 11:27 PM PDT (9/7) 1:00 PM PDT (9/7)
Length of Visible Light 13h 26m
Length of Day
12h 37m
Waning Gibbous, 57% of the Moon is Illuminated
Sep 7
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Weather History Calendar

Precipitation Actual month total 0.00 Normal Month Total: 0.15
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
83 | 68 0.00
Average:
77 | 67 0.00
Partly Cloudy
Actual:
79 | 68 0.00
Average:
77 | 66 0.00
Partly Cloudy
Actual:
79 | 66 0.00
Average:
77 | 66 0.00
Partly Cloudy
Actual:
84 | 69 0.00
Average:
77 | 66 0.00
Partly Cloudy
Actual:
83 | 72 0.00
Average:
77 | 66 0.01
Partly Cloudy
Actual:
82 | 72 0.00
Average:
77 | 66 0.00
Partly Cloudy
Actual:
81 | 72 0.00
Average:
77 | 66 0.00
Partly Cloudy
Actual:
78 | 71 0.00
Average:
77 | 66 0.00
Partly Cloudy
Actual:
80 | 70 T
Average:
77 | 66 0.00
Fog
Actual:
81 | 69 0.00
Average:
77 | 66 0.01
Overcast
Actual:
76 | 71 0.00
Average:
77 | 66 0.00
Mostly Cloudy
Actual:
79 | 71 0.00
Average:
76 | 66 0.01
Partly Cloudy
Actual:
76 | 69 0.00
Average:
76 | 66 0.00
Scattered Clouds
Actual:
87 | 68 0.00
Average:
76 | 66 0.01
Clear
Actual:
101 | 72 0.00
Average:
76 | 65 0.00
Fog
Actual:
78 | 66 0.00
Average:
76 | 65 0.01
Partly Cloudy
Actual:
77 | 69 0.00
Average:
76 | 65 0.00
Partly Cloudy
Actual:
77 | 69 0.00
Average:
76 | 65 0.01
Scattered Clouds
Actual:
79 | 68 0.00
Average:
76 | 65 0.00
Partly Cloudy
Actual:
80 | 68 0.00
Average:
76 | 65 0.01
Partly Cloudy
Actual:
79 | 69 0.00
Average:
75 | 65 0.01
Partly Cloudy
Actual:
82 | 69 0.00
Average:
75 | 65 0.00
Partly Cloudy
Actual:
90 | 69 0.00
Average:
75 | 64 0.01
Fog
Actual:
80 | 68 0.00
Average:
75 | 64 0.01
Scattered Clouds
Actual:
75 | 67 0.00
Average:
75 | 64 0.00
Partly Cloudy
Actual:
75 | 67 0.00
Average:
75 | 64 0.01
Partly Cloudy
Actual:
76 | 67 0.00
Average:
75 | 64 0.01
Partly Cloudy
Actual:
77 | 65 0.00
Average:
75 | 64 0.01
Partly Cloudy
Actual:
83 | 67 0.00
Average:
74 | 64 0.01
Clear
Actual:
83 | 68 0.00
Average:
74 | 63 0.01
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 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  
1 83 76 68 66 63 56 87 67 47 29.94 29.91 29.88 10 10 7 15 7 20 0.00  
2 79 74 68 65 62 57 78 64 50 29.94 29.91 29.87 10 10 9 15 7 17 0.00  
3 79 73 66 66 63 61 87 73 58 29.99 29.94 29.91 10 9 6 14 7 17 0.00  
4 84 77 69 67 64 54 90 65 39 30.00 29.97 29.93 10 10 8 14 5 17 0.00  
5 83 78 72 68 65 59 79 63 46 29.98 29.96 29.93 10 10 8 9 5 13 0.00  
6 82 77 72 68 64 56 90 71 51 30.00 29.96 29.93 10 10 7 12 5 16 0.00  
7 81 77 72 66 62 58 79 67 54 30.04 29.99 29.95 10 10 10 14 5 17 0.00  
8 78 75 71 66 64 62 79 70 60 29.97 29.92 29.87 10 10 8 13 6 15 0.00  
9 80 75 70 66 65 64 84 73 62 29.93 29.88 29.85 10 10 6 13 5 15 T  
10 81 75 69 68 66 64 90 76 62 29.92 29.89 29.85 10 8 2 10 4 13 0.00 Fog
11 76 74 71 68 67 65 84 79 74 30.00 29.94 29.88 10 10 7 9 6 13 0.00  
12 79 75 71 67 66 66 84 76 67 30.02 29.98 29.94 10 10 10 15 9 18 0.00  
13 76 73 69 66 66 64 90 80 69 30.03 29.99 29.93 10 8 4 16 8 22 0.00  
14 87 78 68 66 63 56 87 68 48 29.98 29.94 29.87 10 10 7 15 4 20 0.00  
15 101 87 72 67 52 36 64 38 11 30.00 29.96 29.90 10 10 10 14 4 16 0.00  
16 78 72 66 67 64 63 93 76 58 30.06 30.01 29.98 10 7 0 14 7 17 0.00 Fog
17 77 73 69 65 63 62 84 74 64 30.05 30.00 29.95 10 9 6 10 6 14 0.00  
18 77 73 69 65 63 61 78 69 60 30.03 29.99 29.95 10 10 7 14 7 17 0.00  
19 79 74 68 66 64 60 84 69 54 29.99 29.96 29.91 10 10 9 15 6 20 0.00  
20 80 74 68 66 65 59 90 71 52 29.95 29.92 29.88 10 8 5 13 5 16 0.00  
21 79 74 69 67 65 64 84 73 62 29.93 29.90 29.85 10 8 5 9 3 13 0.00  
22 82 76 69 69 66 63 90 72 54 29.94 29.90 29.87 10 6 1 10 4 13 0.00  
23 90 80 69 68 65 53 90 61 31 29.96 29.93 29.88 10 6 1 15 6 20 0.00  
24 80 74 68 68 66 61 97 76 54 30.00 29.95 29.91 10 5 0 12 4 16 0.00 Fog
25 75 71 67 64 61 58 87 73 58 29.94 29.91 29.87 10 10 8 10 4 15 0.00  
26 75 71 67 62 59 57 78 70 61 29.90 29.88 29.85 10 10 10 13 5 17 0.00  
27 76 72 67 64 62 61 81 71 60 29.94 29.90 29.86 10 10 7 13 5 17 0.00  
28 77 71 65 64 63 61 93 79 64 29.93 29.90 29.85 10 7 1 17 7 21 0.00  
29 83 75 67 65 62 58 84 66 47 29.98 29.93 29.90 10 9 6 14 6 18 0.00  
30 83 76 68 66 62 55 73 62 51 29.98 29.94 29.89 10 10 8 15 5 17 0.00