Weather History for Philadelphia, PA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 78 °F 65 °F
Mean Temperature 82 °F 71 °F 60 °F
Min Temperature 73 °F 62 °F 51 °F
Degree Days  
Heating Degree Days (base 65) 5 0 0 14
Cooling Degree Days (base 65) 17 6 0 181
Growing Degree Days (base 50) 32 20 10 608
Dew Point  
Dew Point 76 °F 57 °F 33 °F
Precipitation  
Precipitation 3.12 in 0.21 in 0.00 in 5.48 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 33 mph 7 mph 0 mph
Gust Wind 45 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.04 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 28, 2012 Rise Set
Actual Time 6:54 AM EDT 6:47 PM EDT
Civil Twilight 6:27 AM EDT 7:14 PM EDT
Nautical Twilight 5:56 AM EDT 7:45 PM EDT
Astronomical Twilight 5:24 AM EDT 8:17 PM EDT
Moon 5:48 PM EDT 5:22 AM EDT
Length of Visible Light 12h 46m
Length of Day
11h 52m
Waxing Gibbous, 98% of the Moon is Illuminated
Sep 28
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Weather History Calendar

Precipitation Actual month total 5.48 Normal Month Total: 3.78
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
91 | 73 0.00
Average:
83 | 65 0.10
Rain
Actual:
78 | 72 0.16
Average:
83 | 65 0.12
Rain
Actual:
78 | 73 0.40
Average:
82 | 65 0.12
Thunderstorm
Actual:
84 | 73 3.12
Average:
82 | 65 0.12
Thunderstorm
Actual:
86 | 73 0.02
Average:
82 | 64 0.12
Partly Cloudy
Actual:
81 | 70 T
Average:
81 | 64 0.11
Scattered Clouds
Actual:
88 | 71 0.00
Average:
81 | 64 0.12
Rain
Actual:
89 | 67 0.31
Average:
81 | 63 0.12
Partly Cloudy
Actual:
79 | 62 0.00
Average:
81 | 63 0.12
Scattered Clouds
Actual:
75 | 60 0.00
Average:
80 | 63 0.11
Partly Cloudy
Actual:
76 | 54 0.00
Average:
80 | 62 0.13
Clear
Actual:
79 | 58 0.00
Average:
80 | 62 0.12
Clear
Actual:
80 | 60 0.00
Average:
79 | 62 0.13
Partly Cloudy
Actual:
81 | 61 0.00
Average:
79 | 61 0.13
Partly Cloudy
Actual:
76 | 61 0.00
Average:
78 | 61 0.13
Partly Cloudy
Actual:
75 | 59 0.00
Average:
78 | 60 0.13
Partly Cloudy
Actual:
78 | 55 0.00
Average:
78 | 60 0.13
Thunderstorm
Actual:
80 | 69 0.73
Average:
77 | 60 0.14
Rain
Actual:
71 | 57 0.01
Average:
77 | 59 0.13
Partly Cloudy
Actual:
75 | 55 0.00
Average:
77 | 59 0.13
Partly Cloudy
Actual:
79 | 58 0.00
Average:
76 | 58 0.13
Thunderstorm
Actual:
85 | 60 0.51
Average:
76 | 58 0.13
Scattered Clouds
Actual:
70 | 56 0.00
Average:
75 | 58 0.12
Scattered Clouds
Actual:
68 | 51 0.00
Average:
75 | 57 0.14
Scattered Clouds
Actual:
75 | 53 0.00
Average:
75 | 57 0.13
Rain
Actual:
81 | 65 T
Average:
74 | 56 0.13
Rain
Actual:
76 | 66 0.21
Average:
74 | 56 0.14
Overcast
Actual:
79 | 65 0.01
Average:
73 | 55 0.13
Mostly Cloudy
Actual:
65 | 58 T
Average:
73 | 55 0.14
Partly Cloudy
Actual:
70 | 55 T
Average:
72 | 54 0.13
 

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 91 82 73 67 63 58 79 57 34 30.04 30.00 29.97 10 10 10 15 6 21 0.00  
2 78 75 72 73 71 67 94 85 76 30.08 30.04 30.01 10 6 2 12 6 15 0.16 Rain
3 78 76 73 73 72 69 94 88 82 30.11 30.08 30.05 10 8 2 15 8 20 0.40 Rain
4 84 79 73 76 73 71 94 84 74 30.06 29.96 29.86 10 6 0 17 7 30 3.12 Fog , Rain , Thunderstorm
5 86 80 73 75 72 65 85 74 62 29.86 29.82 29.77 10 10 9 20 9 26 0.02 Rain , Thunderstorm
6 81 76 70 71 67 64 87 77 67 29.92 29.89 29.85 10 10 10 10 4 - T  
7 88 80 71 71 69 67 93 74 55 29.95 29.91 29.86 10 9 7 14 7 18 0.00  
8 89 78 67 73 69 62 93 72 50 29.88 29.76 29.62 10 9 2 26 9 32 0.31 Rain
9 79 71 62 62 55 48 87 61 35 29.92 29.85 29.80 10 10 10 16 7 22 0.00  
10 75 68 60 53 47 42 72 53 33 30.17 30.03 29.93 10 10 10 21 12 26 0.00  
11 76 65 54 53 45 43 71 51 31 30.30 30.25 30.17 10 10 10 13 5 17 0.00  
12 79 69 58 56 52 49 84 60 36 30.38 30.34 30.30 10 10 10 9 4 16 0.00  
13 80 70 60 59 56 52 90 66 42 30.40 30.34 30.28 10 10 8 12 4 18 0.00  
14 81 71 61 62 59 51 97 67 36 30.30 30.21 30.11 10 10 10 13 4 15 0.00  
15 76 69 61 64 51 45 81 59 36 30.19 30.13 30.09 10 10 10 21 10 28 0.00  
16 75 67 59 54 47 39 72 52 31 30.16 30.11 30.06 10 10 10 15 6 21 0.00  
17 78 67 55 62 52 45 80 56 31 30.14 30.08 30.02 10 10 10 14 5 17 0.00  
18 80 75 69 72 68 63 90 79 67 30.00 29.77 29.63 10 8 1 33 15 45 0.73 Rain , Thunderstorm
19 71 64 57 67 53 38 90 61 31 30.18 29.97 29.77 10 10 7 22 9 26 0.01 Rain
20 75 65 55 54 48 45 72 55 38 30.20 30.15 30.09 10 10 10 8 3 21 0.00  
21 79 69 58 61 56 53 90 66 42 30.11 30.06 30.00 10 10 10 12 3 15 0.00  
22 85 73 60 66 62 57 90 67 43 30.01 29.88 29.78 10 9 3 25 8 30 0.51 Rain , Thunderstorm
23 70 63 56 62 44 38 87 61 34 30.15 30.06 29.91 10 10 10 18 10 24 0.00  
24 68 60 51 46 40 33 77 53 29 30.21 30.16 30.13 10 10 10 18 6 26 0.00  
25 75 64 53 55 49 44 83 60 36 30.22 30.17 30.13 10 10 10 21 9 26 0.00  
26 81 73 65 63 59 54 73 62 51 30.14 30.09 30.04 10 10 10 21 9 28 T Rain
27 76 71 66 65 63 60 87 74 60 30.18 30.14 30.07 10 9 2 8 4 13 0.21 Rain
28 79 72 65 67 63 52 90 72 54 30.11 30.02 29.94 10 9 5 14 6 17 0.01  
29 65 62 58 54 51 49 80 68 56 29.97 29.94 29.91 10 10 10 14 7 23 T  
30 70 63 55 50 48 42 77 60 42 29.89 29.86 29.80 10 10 10 21 7 25 T