Weather History for Pottstown, PA

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 75 °F 64 °F
Mean Temperature 82 °F 64 °F 54 °F
Min Temperature 72 °F 52 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 11 4 0 127
Cooling Degree Days (base 65) 16 3 0 82
Growing Degree Days (base 50) 32 14 4 409
Dew Point  
Dew Point 76 °F 54 °F 38 °F
Precipitation  
Precipitation 0.49 in 0.03 in 0.00 in 0.90 in
Snowdepth - - - -
Wind  
Wind 15 mph 2 mph 0 mph
Gust Wind 30 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.45 in 30.05 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 11, 2013 Rise Set
Actual Time 6:39 AM EDT 7:17 PM EDT
Civil Twilight 6:12 AM EDT 7:44 PM EDT
Nautical Twilight 5:39 AM EDT 8:16 PM EDT
Astronomical Twilight 5:06 AM EDT 8:50 PM EDT
Moon 1:05 PM EDT (9/11) 11:10 PM EDT (9/11)
Length of Visible Light 13h 32m
Length of Day
12h 37m
Waxing Crescent, 38% of the Moon is Illuminated
Sep 11
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
88 | 72 0.03
Average:
- | - -
Rain
Actual:
81 | 70 0.04
Average:
- | - -
Scattered Clouds
Actual:
79 | 64 0.00
Average:
- | - -
Clear
Actual:
79 | 57 0.00
Average:
- | - -
Scattered Clouds
Actual:
78 | 55 0.00
Average:
- | - -
Scattered Clouds
Actual:
70 | 50 0.00
Average:
- | - -
Clear
Actual:
78 | 45 0.00
Average:
- | - -
Partly Cloudy
Actual:
81 | 57 0.00
Average:
- | - -
Partly Cloudy
Actual:
75 | 46 0.00
Average:
- | - -
Partly Cloudy
Actual:
87 | 68 0.00
Average:
- | - -
Clear
Actual:
91 | 72 0.00
Average:
- | - -
Rain
Actual:
86 | 68 0.02
Average:
- | - -
Rain
Actual:
75 | 55 0.04
Average:
- | - -
Partly Cloudy
Actual:
64 | 46 0.00
Average:
- | - -
Clear
Actual:
72 | 41 0.00
Average:
- | - -
Rain
Actual:
71 | 55 0.09
Average:
- | - -
Clear
Actual:
64 | 44 0.00
Average:
- | - -
Clear
Actual:
69 | 39 0.00
Average:
- | - -
Clear
Actual:
75 | 43 0.00
Average:
- | - -
Fog
Actual:
78 | 48 0.00
Average:
- | - -
Rain
Actual:
77 | 51 0.49
Average:
- | - -
Rain
Actual:
68 | 53 0.18
Average:
- | - -
Rain
Actual:
64 | 45 0.00
Average:
- | - -
Clear
Actual:
72 | 41 0.00
Average:
- | - -
Rain
Actual:
72 | 43 0.00
Average:
- | - -
Partly Cloudy
Actual:
73 | 46 0.00
Average:
- | - -
Partly Cloudy
Actual:
71 | 55 0.00
Average:
- | - -
Partly Cloudy
Actual:
72 | 51 0.00
Average:
- | - -
Scattered Clouds
Actual:
73 | 46 0.00
Average:
- | - -
Scattered Clouds
Actual:
72 | 46 0.01
Average:
- | - -
 

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 88 80 72 73 72 70 100 84 57 29.87 29.83 29.78 10 9 2 7 1 - 0.03 Rain
2 81 76 70 73 71 66 100 87 72 29.82 29.78 29.73 10 8 1 7 1 - 0.04 Rain
3 79 72 64 68 62 55 96 72 47 29.94 29.82 29.75 10 10 8 10 4 18 0.00  
4 79 68 57 59 56 54 90 69 43 30.06 30.01 29.94 10 10 10 8 3 16 0.00  
5 78 66 55 60 54 46 96 69 39 30.17 30.04 29.99 10 10 10 12 3 18 0.00  
6 70 60 50 49 44 39 89 60 35 30.28 30.22 30.16 10 10 10 9 5 - 0.00  
7 78 61 45 57 50 44 97 69 34 30.17 30.06 29.94 10 10 10 8 1 - 0.00  
8 81 70 57 64 57 46 90 67 50 30.11 29.93 29.88 10 10 10 12 3 17 0.00  
9 75 60 46 62 53 45 93 72 55 30.24 30.19 30.12 10 10 10 6 1 - 0.00  
10 87 77 68 73 69 63 90 79 62 30.19 30.14 30.08 10 10 10 9 3 - 0.00  
11 91 82 72 76 72 68 94 75 53 30.15 30.09 30.01 10 8 2 12 3 16 0.00  
12 86 77 68 73 71 66 96 82 58 29.99 29.86 29.74 10 9 4 13 3 30 0.02 Rain
13 75 66 55 67 59 48 100 79 49 29.93 29.75 29.68 10 7 2 15 3 22 0.04 Rain
14 64 54 46 48 46 44 93 73 56 30.18 30.05 29.94 10 10 10 13 4 21 0.00  
15 72 56 41 55 47 40 97 74 42 30.25 30.18 30.11 10 10 10 8 1 - 0.00  
16 71 64 55 59 54 47 97 78 53 30.27 30.12 30.05 10 10 5 12 3 - 0.09 Rain
17 64 54 44 46 42 40 93 67 43 30.45 30.38 30.29 10 10 10 14 5 20 0.00  
18 69 54 39 48 43 38 97 72 35 30.38 30.30 30.22 10 10 10 8 1 - 0.00  
19 75 58 43 54 49 42 97 73 41 30.22 30.16 30.10 10 10 10 8 1 - 0.00  
20 78 62 48 59 54 48 100 80 45 30.12 30.07 29.99 10 8 0 7 1 - 0.00 Fog
21 77 63 51 66 59 50 100 85 54 30.00 29.83 29.70 10 9 2 12 3 18 0.49 Rain
22 68 60 53 61 52 44 100 75 45 29.96 29.81 29.70 10 9 2 14 4 23 0.18 Rain
23 64 54 45 44 42 39 89 64 45 30.09 30.04 29.96 10 10 10 12 6 21 0.00 Rain
24 72 56 41 49 44 39 93 72 41 30.11 30.02 29.94 10 10 10 8 2 - 0.00  
25 72 58 43 50 46 41 97 73 34 29.99 29.95 29.90 10 10 10 5 0 - 0.00 Rain
26 73 60 46 56 51 46 97 75 44 30.10 30.02 29.96 10 10 10 4 1 - 0.00  
27 71 62 55 57 53 49 94 76 52 30.27 30.20 30.12 10 10 10 7 4 - 0.00  
28 72 62 51 54 50 46 93 71 41 30.33 30.28 30.25 10 10 10 8 1 - 0.00  
29 73 58 46 55 50 44 97 77 49 30.25 30.16 30.09 10 10 10 7 1 - 0.00  
30 72 59 46 53 50 45 97 77 45 30.11 30.06 30.01 10 10 5 8 1 - 0.01