Weather History for Pittsburgh, PA

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 95 °F 74 °F 59 °F
Mean Temperature 84 °F 66 °F 50 °F
Min Temperature 72 °F 57 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 15 3 0 86
Cooling Degree Days (base 65) 19 4 0 105
Growing Degree Days (base 50) 34 15 0 457
Dew Point  
Dew Point 73 °F 57 °F 35 °F
Precipitation  
Precipitation 0.81 in 0.14 in 0.00 in 3.73 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 25 mph 6 mph 0 mph
Gust Wind 33 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 30.01 in 29.63 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 11, 2011 Rise Set
Actual Time 6:57 AM EDT 7:36 PM EDT
Civil Twilight 6:29 AM EDT 8:04 PM EDT
Nautical Twilight 5:57 AM EDT 8:36 PM EDT
Astronomical Twilight 5:23 AM EDT 9:10 PM EDT
Moon 6:57 PM EDT (9/11) 6:14 AM EDT (9/11)
Length of Visible Light 13h 34m
Length of Day
12h 39m
Full, 100% of the Moon is Illuminated
Sep 11
Full
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

Precipitation Actual month total 3.73 Normal Month Total: 3.11
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
82 | 67 0.39
Average:
79 | 59 0.11
Fog
Actual:
91 | 67 0.00
Average:
79 | 59 0.11
Scattered Clouds
Actual:
95 | 72 0.00
Average:
79 | 58 0.11
Rain
Actual:
81 | 67 0.23
Average:
79 | 58 0.11
Rain
Actual:
67 | 58 0.54
Average:
78 | 58 0.11
Rain
Actual:
62 | 56 0.29
Average:
78 | 58 0.11
Rain
Actual:
72 | 58 0.01
Average:
78 | 57 0.10
Rain
Actual:
78 | 64 0.01
Average:
77 | 57 0.11
Rain
Actual:
77 | 63 T
Average:
77 | 57 0.11
Rain
Actual:
78 | 63 T
Average:
77 | 56 0.11
Thunderstorm
Actual:
76 | 58 0.03
Average:
76 | 56 0.11
Scattered Clouds
Actual:
77 | 56 0.00
Average:
76 | 56 0.10
Scattered Clouds
Actual:
82 | 64 0.00
Average:
76 | 55 0.11
Partly Cloudy
Actual:
77 | 59 0.01
Average:
75 | 55 0.11
Rain
Actual:
60 | 42 0.29
Average:
75 | 54 0.10
Rain
Actual:
61 | 39 0.00
Average:
74 | 54 0.11
Partly Cloudy
Actual:
66 | 49 0.00
Average:
74 | 54 0.11
Partly Cloudy
Actual:
67 | 47 0.00
Average:
74 | 53 0.10
Rain
Actual:
66 | 51 0.46
Average:
73 | 53 0.11
Rain
Actual:
73 | 60 0.02
Average:
73 | 52 0.11
Fog
Actual:
80 | 56 T
Average:
72 | 52 0.11
Partly Cloudy
Actual:
77 | 61 0.04
Average:
72 | 52 0.10
Rain
Actual:
68 | 55 0.09
Average:
71 | 51 0.10
Fog
Actual:
70 | 52 0.00
Average:
71 | 51 0.09
Partly Cloudy
Actual:
79 | 58 T
Average:
71 | 50 0.10
Thunderstorm
Actual:
82 | 63 0.81
Average:
70 | 50 0.09
Rain
Actual:
71 | 56 0.15
Average:
70 | 50 0.09
Rain
Actual:
72 | 53 0.09
Average:
69 | 49 0.09
Rain
Actual:
64 | 54 0.20
Average:
69 | 49 0.09
Rain
Actual:
59 | 46 0.07
Average:
68 | 48 0.09
 

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 82 75 67 69 65 64 87 73 58 30.17 30.10 30.02 10 8 1 18 6 26 0.39 Rain , Thunderstorm
2 91 79 67 73 69 64 97 74 50 30.04 30.00 29.96 8 5 1 7 1 9 0.00 Fog
3 95 84 72 72 68 60 93 63 33 30.00 29.94 29.89 10 7 2 9 2 15 0.00  
4 81 74 67 70 66 63 93 76 58 29.93 29.88 29.82 10 8 5 16 6 21 0.23 Rain
5 67 63 58 65 61 54 93 89 84 29.98 29.87 29.80 10 7 4 16 8 22 0.54 Rain
6 62 59 56 56 54 53 93 86 78 30.05 30.01 29.98 10 10 7 20 10 25 0.29 Rain
7 72 65 58 63 59 55 93 83 73 29.99 29.94 29.88 10 10 8 12 6 16 0.01 Rain
8 78 71 64 64 62 59 93 75 56 29.98 29.94 29.91 10 9 6 12 3 15 0.01 Rain
9 77 70 63 65 63 62 100 82 64 29.96 29.92 29.90 10 5 0 9 3 14 T Fog , Rain
10 78 71 63 63 61 59 93 76 58 30.05 30.00 29.94 10 7 1 15 5 20 T Rain
11 76 67 58 62 59 57 97 76 54 30.10 30.06 30.01 10 9 6 18 4 24 0.03 Rain , Thunderstorm
12 77 67 56 61 58 54 93 74 54 30.11 30.05 30.00 10 9 6 12 5 17 0.00  
13 82 73 64 61 59 57 84 65 45 30.01 29.94 29.89 10 9 7 20 10 26 0.00  
14 77 68 59 63 60 50 87 71 54 30.02 29.96 29.91 10 9 7 18 7 22 0.01  
15 60 51 42 54 46 35 93 67 40 30.33 30.12 29.99 10 8 2 25 9 30 0.29 Rain
16 61 50 39 44 40 36 89 68 47 30.43 30.37 30.34 10 10 10 12 2 18 0.00 Rain
17 66 58 49 46 43 40 83 62 40 30.37 30.34 30.32 10 10 10 14 8 18 0.00  
18 67 57 47 48 46 42 93 71 48 30.39 30.33 30.26 10 10 10 13 6 17 0.00  
19 66 59 51 59 52 46 97 79 60 30.24 30.11 30.03 10 8 2 16 6 20 0.46 Rain
20 73 67 60 61 60 59 97 81 64 30.14 30.09 30.03 10 8 2 9 3 13 0.02 Rain
21 80 68 56 63 59 55 100 75 49 30.14 30.10 30.02 10 5 0 17 6 24 T Fog
22 77 69 61 64 63 58 93 74 54 30.12 30.08 30.04 10 8 4 14 4 18 0.04  
23 68 62 55 64 58 54 97 91 84 30.09 29.98 29.92 10 7 2 17 4 20 0.09 Rain
24 70 61 52 56 53 51 100 77 53 30.12 30.07 30.03 10 6 0 10 2 13 0.00 Fog
25 79 69 58 63 59 55 90 72 54 30.09 30.03 29.95 10 9 5 15 6 20 T  
26 82 73 63 67 63 60 93 72 51 29.95 29.88 29.81 10 9 1 20 7 33 0.81 Rain , Thunderstorm
27 71 64 56 64 55 50 93 71 49 29.95 29.91 29.87 10 9 4 12 4 15 0.15 Rain
28 72 63 53 59 53 49 93 70 47 29.91 29.87 29.82 10 9 5 12 3 15 0.09 Rain
29 64 59 54 54 52 46 100 78 56 29.83 29.77 29.64 10 7 0 22 7 26 0.20 Fog , Rain
30 59 53 46 55 48 40 89 78 67 29.86 29.72 29.63 10 9 3 23 13 30 0.07 Rain