Weather History for San Antonio, TX

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 103 °F 96 °F 88 °F
Mean Temperature 91 °F 83 °F 77 °F
Min Temperature 79 °F 70 °F 59 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 26 18 12 543
Growing Degree Days (base 50) 40 33 26 977
Dew Point  
Dew Point 75 °F 57 °F 23 °F
Precipitation  
Precipitation 1.12 in 0.10 in 0.00 in 2.93 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 33 mph 7 mph 0 mph
Gust Wind 46 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.16 in 29.92 in 29.59 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 05, 2011 Rise Set
Actual Time 7:13 AM CDT 7:51 PM CDT
Civil Twilight 6:49 AM CDT 8:15 PM CDT
Nautical Twilight 6:20 AM CDT 8:43 PM CDT
Astronomical Twilight 5:51 AM CDT 9:12 PM CDT
Moon 3:17 PM CDT (9/5) 12:52 AM CDT (9/5)
Length of Visible Light 13h 26m
Length of Day
12h 38m
First Quarter, 61% of the Moon is Illuminated
Sep 5
First Quarter
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

Precipitation Actual month total 2.93 Normal Month Total: 3.03
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
99 | 75 0.00
Average:
94 | 73 0.11
Partly Cloudy
Actual:
101 | 79 0.00
Average:
94 | 73 0.10
Scattered Clouds
Actual:
103 | 78 0.00
Average:
94 | 73 0.10
Scattered Clouds
Actual:
102 | 72 0.00
Average:
93 | 73 0.11
Clear
Actual:
92 | 67 0.00
Average:
93 | 72 0.11
Clear
Actual:
95 | 59 0.00
Average:
93 | 72 0.11
Clear
Actual:
96 | 59 0.00
Average:
93 | 72 0.11
Clear
Actual:
96 | 65 0.00
Average:
92 | 71 0.11
Scattered Clouds
Actual:
97 | 63 0.00
Average:
92 | 71 0.11
Clear
Actual:
97 | 66 0.00
Average:
92 | 71 0.11
Scattered Clouds
Actual:
99 | 67 0.00
Average:
92 | 71 0.11
Scattered Clouds
Actual:
101 | 74 0.00
Average:
91 | 70 0.11
Scattered Clouds
Actual:
100 | 75 0.00
Average:
91 | 70 0.10
Scattered Clouds
Actual:
99 | 74 0.00
Average:
91 | 70 0.10
Partly Cloudy
Actual:
95 | 71 0.00
Average:
90 | 69 0.10
Rain
Actual:
89 | 72 1.12
Average:
90 | 69 0.10
Thunderstorm
Actual:
88 | 72 0.56
Average:
90 | 69 0.09
Thunderstorm
Actual:
93 | 66 1.11
Average:
90 | 68 0.10
Partly Cloudy
Actual:
94 | 67 0.00
Average:
89 | 68 0.09
Scattered Clouds
Actual:
94 | 65 0.00
Average:
89 | 68 0.10
Thunderstorm
Actual:
94 | 71 0.00
Average:
89 | 68 0.09
Partly Cloudy
Actual:
95 | 69 0.00
Average:
89 | 67 0.09
Scattered Clouds
Actual:
92 | 68 0.00
Average:
88 | 67 0.09
Scattered Clouds
Actual:
95 | 65 0.00
Average:
88 | 67 0.09
Scattered Clouds
Actual:
101 | 73 0.00
Average:
88 | 66 0.10
Scattered Clouds
Actual:
100 | 70 0.00
Average:
87 | 66 0.10
Thunderstorm
Actual:
97 | 74 T
Average:
87 | 66 0.09
Partly Cloudy
Actual:
97 | 69 0.00
Average:
87 | 65 0.10
Thunderstorm
Actual:
95 | 71 0.14
Average:
87 | 65 0.10
Partly Cloudy
Actual:
90 | 70 0.00
Average:
86 | 65 0.10
 

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

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  
1 99 87 75 73 68 58 87 58 28 30.01 29.91 29.80 10 10 7 17 6 22 0.00  
2 101 90 79 73 67 59 74 51 28 29.86 29.79 29.69 10 10 10 18 6 23 0.00  
3 103 91 78 73 64 54 79 50 20 29.82 29.71 29.59 10 10 10 21 8 28 0.00  
4 102 87 72 62 54 47 49 33 16 29.80 29.72 29.66 10 10 10 29 16 37 0.00  
5 92 80 67 61 41 23 54 32 10 29.96 29.89 29.82 10 10 10 23 14 31 0.00  
6 95 77 59 38 32 26 36 23 10 30.09 29.98 29.91 10 10 10 13 6 17 0.00  
7 96 78 59 41 35 29 39 25 10 30.10 30.02 29.95 10 10 9 16 5 18 0.00  
8 96 81 65 55 37 26 57 34 11 30.11 30.02 29.92 10 10 9 16 7 28 0.00  
9 97 80 63 52 37 28 36 25 13 30.05 29.95 29.85 10 10 10 16 5 24 0.00  
10 97 82 66 51 45 41 45 31 16 30.08 29.96 29.90 10 10 10 14 4 17 0.00  
11 99 83 67 57 51 46 59 38 17 30.11 30.02 29.95 10 10 10 21 5 28 0.00  
12 101 88 74 61 52 46 50 34 17 30.16 30.04 29.95 10 10 10 20 7 28 0.00  
13 100 88 75 72 60 45 87 52 17 30.05 29.95 29.86 10 10 10 20 9 23 0.00  
14 99 87 74 72 63 52 87 56 24 29.98 29.89 29.79 10 10 10 23 10 29 0.00  
15 95 83 71 67 62 57 84 56 28 30.04 29.96 29.89 10 10 10 20 9 26 0.00  
16 89 81 72 75 70 64 100 73 46 30.11 30.02 29.92 10 8 0 20 8 23 1.12 Fog , Rain
17 88 80 72 75 72 66 94 77 59 30.04 29.99 29.94 10 9 1 24 8 37 0.56 Rain , Thunderstorm
18 93 80 66 74 69 63 100 72 44 30.05 29.99 29.85 10 8 1 33 7 46 1.11 Rain , Thunderstorm
19 94 81 67 66 58 46 87 55 22 30.02 29.96 29.90 10 10 10 17 7 21 0.00  
20 94 80 65 67 59 53 78 54 30 29.98 29.91 29.82 10 10 10 10 4 13 0.00  
21 94 83 71 72 66 57 93 62 30 30.05 29.95 29.86 10 10 10 22 5 28 0.00 Thunderstorm
22 95 82 69 69 60 56 74 52 30 30.08 29.98 29.91 10 10 10 16 4 22 0.00  
23 92 80 68 59 57 54 68 49 30 30.11 30.03 29.94 10 10 10 15 6 20 0.00  
24 95 80 65 63 55 48 67 47 26 30.02 29.90 29.78 10 10 10 17 5 25 0.00  
25 101 87 73 68 60 52 79 49 19 29.84 29.74 29.65 10 10 10 17 9 22 0.00  
26 100 85 70 71 65 58 79 53 27 29.83 29.76 29.70 10 10 10 17 8 22 0.00  
27 97 86 74 72 64 52 87 58 29 30.00 29.87 29.75 10 10 4 31 9 43 T Rain , Thunderstorm
28 97 83 69 65 59 52 70 49 27 29.98 29.88 29.83 10 10 10 10 4 15 0.00  
29 95 83 71 72 64 55 79 60 40 30.01 29.89 29.81 10 10 7 30 7 37 0.14 Rain , Thunderstorm
30 90 80 70 62 53 39 73 49 24 30.10 30.00 29.94 10 10 10 22 11 31 0.00