Weather History for Charleston, SC

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 84 °F 73 °F
Mean Temperature 82 °F 76 °F 66 °F
Min Temperature 77 °F 69 °F 60 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 17 12 2 349
Growing Degree Days (base 50) 32 26 16 795
Dew Point  
Dew Point 79 °F 69 °F 55 °F
Precipitation  
Precipitation 1.60 in 0.11 in 0.00 in 3.39 in
Snowdepth - - - -
Wind  
Wind 23 mph 5 mph 0 mph
Gust Wind 34 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.26 in 29.99 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 08, 2011 Rise Set
Actual Time 6:59 AM EDT 7:35 PM EDT
Civil Twilight 6:34 AM EDT 8:00 PM EDT
Nautical Twilight 6:04 AM EDT 8:29 PM EDT
Astronomical Twilight 5:35 AM EDT 8:59 PM EDT
Moon 5:20 PM EDT (9/8) 3:26 AM EDT (9/8)
Length of Visible Light 13h 26m
Length of Day
12h 36m
Waxing Gibbous, 87% of the Moon is Illuminated
Sep 8
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Mostly Cloudy
Actual:
87 | 69 0.00
Average:
- | - -
Partly Cloudy
Actual:
87 | 68 0.00
Average:
- | - -
Partly Cloudy
Actual:
84 | 73 0.00
Average:
- | - -
Rain
Actual:
82 | 71 0.10
Average:
- | - -
Partly Cloudy
Actual:
87 | 75 0.00
Average:
- | - -
Thunderstorm
Actual:
87 | 77 0.67
Average:
- | - -
Scattered Clouds
Actual:
80 | 64 0.00
Average:
- | - -
Clear
Actual:
80 | 62 0.00
Average:
- | - -
Clear
Actual:
86 | 62 0.00
Average:
- | - -
Clear
Actual:
87 | 66 0.00
Average:
- | - -
Clear
Actual:
86 | 64 0.00
Average:
- | - -
Thunderstorm
Actual:
86 | 68 0.05
Average:
- | - -
Scattered Clouds
Actual:
87 | 69 0.00
Average:
- | - -
Partly Cloudy
Actual:
87 | 73 0.00
Average:
- | - -
Clear
Actual:
87 | 68 0.00
Average:
- | - -
Thunderstorm
Actual:
82 | 62 1.60
Average:
- | - -
Mostly Cloudy
Actual:
73 | 60 0.00
Average:
- | - -
Overcast
Actual:
73 | 64 0.00
Average:
- | - -
Rain
Actual:
78 | 64 0.16
Average:
- | - -
Partly Cloudy
Actual:
82 | 71 0.00
Average:
- | - -
Rain
Actual:
82 | 73 0.18
Average:
- | - -
Thunderstorm
Actual:
84 | 73 0.04
Average:
- | - -
Thunderstorm
Actual:
86 | 75 0.31
Average:
- | - -
Rain
Actual:
84 | 73 0.04
Average:
- | - -
Thunderstorm
Actual:
87 | 71 0.15
Average:
- | - -
Rain
Actual:
86 | 73 0.02
Average:
- | - -
Thunderstorm
Actual:
87 | 75 0.00
Average:
- | - -
Rain
Actual:
87 | 68 0.02
Average:
- | - -
Thunderstorm
Actual:
87 | 69 0.05
Average:
- | - -
Scattered Clouds
Actual:
87 | 69 0.00
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

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 87 78 69 70 68 64 100 75 46 30.17 30.11 30.06 10 9 5 10 3 - 0.00  
2 87 78 68 70 68 64 94 72 55 30.09 30.05 29.99 10 10 5 10 2 - 0.00  
3 84 78 73 73 71 64 94 76 51 30.02 29.99 29.95 10 10 9 10 3 - 0.00  
4 82 76 71 73 71 68 94 83 70 29.97 29.94 29.89 10 9 2 10 2 16 0.10 Rain
5 87 81 75 79 75 72 94 80 66 29.90 29.84 29.76 10 10 8 18 10 24 0.00  
6 87 82 77 79 77 72 89 79 66 29.82 29.78 29.74 10 7 0 23 19 34 0.67 Fog , Rain , Thunderstorm
7 80 72 64 64 61 57 94 65 45 29.97 29.92 29.89 10 10 10 13 5 20 0.00  
8 80 71 62 64 61 55 94 68 42 29.94 29.91 29.86 10 10 5 16 6 21 0.00  
9 86 74 62 64 60 55 94 64 37 29.95 29.91 29.88 10 9 6 12 6 17 0.00  
10 87 76 66 68 63 57 94 63 35 30.02 29.97 29.95 10 10 6 12 5 - 0.00  
11 86 75 64 72 67 63 94 76 51 30.09 30.05 30.02 10 10 7 9 2 - 0.00  
12 86 77 68 73 69 64 94 75 51 30.11 30.05 29.99 10 9 1 9 4 - 0.05 Rain , Thunderstorm
13 87 78 69 73 70 66 94 75 55 30.04 30.00 29.96 10 10 8 10 4 - 0.00  
14 87 80 73 75 71 68 94 77 52 30.01 29.98 29.94 10 10 5 9 2 - 0.00  
15 87 78 68 73 70 64 94 74 55 29.97 29.93 29.89 10 9 7 13 4 17 0.00  
16 82 72 62 75 64 57 100 82 68 30.17 30.09 29.95 10 9 0 21 10 31 1.60 Rain , Thunderstorm
17 73 66 60 63 59 55 88 80 69 30.22 30.18 30.15 10 10 3 16 11 18 0.00  
18 73 68 64 63 62 61 94 82 69 30.26 30.21 30.18 10 10 4 14 11 18 0.00  
19 78 71 64 70 65 61 94 83 65 30.19 30.13 30.06 10 10 1 14 9 18 0.16 Rain
20 82 76 71 75 72 70 94 87 70 30.11 30.06 30.03 10 9 7 12 6 - 0.00  
21 82 78 73 73 73 72 100 88 70 30.13 30.08 30.05 10 9 3 10 3 - 0.18 Rain
22 84 78 73 75 73 72 100 91 74 30.14 30.09 30.06 10 8 3 14 3 18 0.04 Rain , Thunderstorm
23 86 80 75 75 74 70 100 86 70 30.07 29.99 29.93 10 9 0 16 6 23 0.31 Rain , Thunderstorm
24 84 78 73 79 75 73 100 90 70 29.98 29.94 29.91 10 6 0 12 2 - 0.04 Fog , Rain
25 87 79 71 79 74 68 100 86 66 30.01 29.97 29.92 10 9 1 17 5 21 0.15 Rain , Thunderstorm
26 86 80 73 75 74 72 100 87 70 29.99 29.95 29.89 10 8 2 14 5 21 0.02 Rain
27 87 81 75 75 73 72 94 78 58 29.96 29.92 29.87 10 9 7 10 6 - 0.00 Thunderstorm
28 87 78 68 75 72 66 94 82 66 29.92 29.89 29.84 10 10 3 13 2 16 0.02 Rain
29 87 78 69 75 69 64 100 75 46 29.90 29.85 29.80 10 9 3 10 3 - 0.05 Rain , Thunderstorm
30 87 78 69 72 66 57 94 68 35 29.85 29.78 29.68 10 9 4 14 4 18 0.00