Weather History for Pittsburgh Allegheny Co., PA

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 74 °F 59 °F
Mean Temperature 79 °F 64 °F 52 °F
Min Temperature 72 °F 55 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 12 3 0 99
Cooling Degree Days (base 65) 14 2 0 68
Growing Degree Days (base 50) 29 14 2 413
Dew Point  
Dew Point 73 °F 55 °F 36 °F
Precipitation  
Precipitation 1.19 in 0.06 in 0.00 in 1.85 in
Snowdepth - - - -
Wind  
Wind 18 mph 5 mph 0 mph
Gust Wind 29 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.42 in 30.06 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 28, 2013 Rise Set
Actual Time 7:13 AM EDT 7:06 PM EDT
Civil Twilight 6:46 AM EDT 7:33 PM EDT
Nautical Twilight 6:14 AM EDT 8:05 PM EDT
Astronomical Twilight 5:42 AM EDT 8:37 PM EDT
Moon 12:58 AM EDT (9/28) 3:25 PM EDT (9/28)
Length of Visible Light 12h 47m
Length of Day
11h 53m
Last Quarter, 36% of the Moon is Illuminated
Sep 28
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.85 Average Month Total: 3.06
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
79 | 69 0.00
Average:
81 | 57 0.04
Rain
Actual:
84 | 66 0.17
Average:
78 | 57 0.06
Fog
Actual:
72 | 60 0.00
Average:
82 | 54 0.13
Clear
Actual:
75 | 53 0.00
Average:
79 | 57 0.13
Partly Cloudy
Actual:
73 | 57 0.00
Average:
78 | 55 0.10
Clear
Actual:
73 | 48 0.00
Average:
79 | 56 0.19
Fog
Actual:
78 | 48 0.00
Average:
79 | 55 0.09
Partly Cloudy
Actual:
79 | 63 0.00
Average:
77 | 58 0.05
Rain
Actual:
81 | 57 0.07
Average:
78 | 56 0.03
Scattered Clouds
Actual:
90 | 69 0.00
Average:
78 | 56 0.11
Rain
Actual:
87 | 72 0.01
Average:
76 | 53 0.06
Rain
Actual:
77 | 63 0.05
Average:
75 | 53 0.09
Rain
Actual:
66 | 52 0.10
Average:
76 | 53 0.17
Partly Cloudy
Actual:
64 | 50 0.00
Average:
79 | 56 0.20
Fog
Actual:
70 | 44 0.00
Average:
79 | 55 0.06
Rain
Actual:
69 | 52 0.25
Average:
78 | 57 0.06
Clear
Actual:
69 | 46 0.00
Average:
76 | 58 0.12
Scattered Clouds
Actual:
73 | 48 0.00
Average:
76 | 57 0.11
Partly Cloudy
Actual:
75 | 60 0.00
Average:
76 | 56 0.10
Fog
Actual:
79 | 59 0.00
Average:
76 | 53 0.06
Rain
Actual:
70 | 57 1.19
Average:
76 | 53 0.06
Fog
Actual:
62 | 52 0.01
Average:
72 | 54 0.23
Partly Cloudy
Actual:
59 | 48 0.00
Average:
71 | 50 0.09
Fog
Actual:
68 | 39 0.00
Average:
66 | 45 0.07
Clear
Actual:
73 | 48 0.00
Average:
67 | 45 0.05
Clear
Actual:
73 | 51 0.00
Average:
71 | 48 0.08
Clear
Actual:
73 | 51 0.00
Average:
72 | 48 0.08
Scattered Clouds
Actual:
73 | 51 0.00
Average:
71 | 48 0.10
Scattered Clouds
Actual:
73 | 52 0.00
Average:
68 | 48 0.15
Mostly Cloudy
Actual:
70 | 55 0.00
Average:
69 | 46 0.19
 

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

2013 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 79 74 69 70 69 68 100 90 74 29.87 29.84 29.80 10 8 3 12 6 - 0.00 Rain
2 84 76 66 70 68 64 100 84 56 29.86 29.81 29.75 10 7 0 18 8 23 0.17 Fog , Rain
3 72 64 60 63 58 53 100 84 57 30.06 29.94 29.84 10 8 0 12 6 17 0.00 Fog
4 75 64 53 56 54 52 96 71 48 30.15 30.10 30.06 10 9 3 12 6 - 0.00  
5 73 65 57 59 54 46 88 69 46 30.23 30.14 30.08 10 10 10 9 7 17 0.00  
6 73 60 48 47 43 36 90 56 27 30.29 30.23 30.15 10 10 10 7 4 - 0.00  
7 78 63 48 56 50 46 100 72 33 30.14 30.08 29.96 10 7 0 9 3 - 0.00 Fog
8 79 71 63 66 61 55 84 73 60 30.07 29.99 29.93 10 10 8 9 5 16 0.00  
9 81 68 57 72 63 55 94 84 67 30.12 30.07 30.03 10 8 1 7 4 - 0.07 Rain
10 90 79 69 73 70 67 93 78 57 30.15 30.11 30.06 9 7 4 14 9 21 0.00  
11 87 78 72 73 70 66 97 81 65 30.17 30.11 30.03 10 7 3 10 7 - 0.01 Rain
12 77 69 63 70 67 61 100 91 73 30.01 29.91 29.82 10 6 1 13 7 - 0.05 Rain
13 66 60 52 60 52 44 96 82 59 30.04 29.91 29.83 10 9 5 15 7 24 0.10 Rain
14 64 57 50 47 44 40 87 69 44 30.19 30.12 30.03 10 10 10 8 4 - 0.00  
15 70 56 44 54 48 43 100 78 50 30.21 30.15 30.09 10 8 0 12 5 17 0.00 Fog
16 69 61 52 56 54 49 100 85 55 30.33 30.18 30.09 10 6 2 12 4 20 0.25 Rain
17 69 57 46 50 45 41 96 70 44 30.42 30.34 30.29 10 10 10 8 4 - 0.00  
18 73 60 48 53 47 40 81 64 44 30.27 30.21 30.14 10 10 10 8 5 - 0.00  
19 75 68 60 61 58 54 97 77 53 30.16 30.12 30.05 10 8 3 9 4 - 0.00  
20 79 68 59 67 61 57 100 88 64 30.06 30.00 29.85 10 5 0 9 6 - 0.00 Fog
21 70 63 57 66 60 56 100 93 81 29.83 29.75 29.70 10 5 1 17 8 29 1.19 Rain
22 62 56 52 55 51 43 100 89 55 30.04 29.89 29.81 10 6 0 12 6 18 0.01 Fog
23 59 52 48 48 43 39 89 71 57 30.17 30.12 30.04 10 10 10 7 3 - 0.00  
24 68 54 39 45 42 39 100 77 36 30.14 30.09 29.99 10 6 0 7 1 - 0.00 Fog
25 73 60 48 50 47 45 96 66 39 30.00 29.95 29.90 10 9 5 6 2 - 0.00  
26 73 62 51 51 49 44 96 64 34 30.09 30.03 29.95 10 10 8 6 2 - 0.00  
27 73 62 51 53 50 48 92 68 42 30.21 30.17 30.10 10 10 5 6 2 - 0.00  
28 73 62 51 53 51 48 96 72 46 30.28 30.22 30.17 10 10 6 9 5 - 0.00  
29 73 62 52 55 52 47 86 70 51 30.17 30.10 30.03 10 10 10 9 6 - 0.00  
30 70 62 55 60 56 52 94 82 64 30.07 30.04 30.01 10 10 9 8 5 - 0.00