Weather History for Atlanta Dekalb, GA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 83 °F 71 °F
Mean Temperature 81 °F 72 °F 60 °F
Min Temperature 73 °F 63 °F 45 °F
Degree Days  
Heating Degree Days (base 65) 5 0 0 5
Cooling Degree Days (base 65) 16 7 0 216
Growing Degree Days (base 50) 31 22 10 659
Dew Point  
Dew Point 75 °F 61 °F 38 °F
Precipitation  
Precipitation 0.91 in 0.10 in 0.00 in 2.92 in
Snowdepth - - - -
Wind  
Wind 24 mph 3 mph 0 mph
Gust Wind 31 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.32 in 30.03 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 25, 2012 Rise Set
Actual Time 7:27 AM EDT 7:29 PM EDT
Civil Twilight 7:02 AM EDT 7:53 PM EDT
Nautical Twilight 6:33 AM EDT 8:22 PM EDT
Astronomical Twilight 6:04 AM EDT 8:52 PM EDT
Moon 4:43 PM EDT (9/25) 2:59 AM EDT (9/25)
Length of Visible Light 12h 51m
Length of Day
12h 01m
Waxing Gibbous, 80% of the Moon is Illuminated
Sep 25
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Weather History Calendar

Precipitation Actual month total 2.92 Average Month Total: 2.84
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
91 | 72 0.00
Average:
84 | 67 0.06
Thunderstorm
Actual:
91 | 71 0.09
Average:
84 | 66 0.06
Partly Cloudy
Actual:
86 | 73 0.00
Average:
84 | 66 0.06
Rain
Actual:
78 | 71 0.08
Average:
84 | 65 0.06
Mostly Cloudy
Actual:
84 | 71 0.00
Average:
83 | 65 0.06
Partly Cloudy
Actual:
84 | 73 0.00
Average:
83 | 64 0.06
Fog
Actual:
93 | 68 0.00
Average:
83 | 64 0.06
Rain
Actual:
84 | 66 0.25
Average:
83 | 63 0.07
Scattered Clouds
Actual:
82 | 57 0.00
Average:
83 | 63 0.07
Scattered Clouds
Actual:
84 | 57 0.00
Average:
82 | 63 0.07
Partly Cloudy
Actual:
82 | 63 0.00
Average:
82 | 62 0.08
Scattered Clouds
Actual:
81 | 61 0.00
Average:
82 | 62 0.08
Scattered Clouds
Actual:
80 | 61 0.00
Average:
81 | 62 0.09
Mostly Cloudy
Actual:
82 | 66 0.00
Average:
81 | 61 0.09
Partly Cloudy
Actual:
84 | 64 0.00
Average:
80 | 61 0.09
Rain
Actual:
86 | 64 0.13
Average:
80 | 61 0.10
Rain
Actual:
81 | 68 0.41
Average:
80 | 60 0.10
Thunderstorm
Actual:
78 | 63 0.85
Average:
79 | 60 0.10
Scattered Clouds
Actual:
81 | 53 0.00
Average:
79 | 60 0.10
Partly Cloudy
Actual:
77 | 62 0.00
Average:
79 | 59 0.10
Partly Cloudy
Actual:
82 | 62 0.00
Average:
78 | 59 0.10
Scattered Clouds
Actual:
84 | 62 0.00
Average:
78 | 58 0.10
Clear
Actual:
79 | 52 0.00
Average:
78 | 58 0.09
Clear
Actual:
77 | 45 0.00
Average:
77 | 57 0.09
Clear
Actual:
81 | 54 0.00
Average:
77 | 57 0.09
Clear
Actual:
84 | 55 0.00
Average:
77 | 57 0.09
Clear
Actual:
87 | 55 0.00
Average:
76 | 56 0.49
Thunderstorm
Actual:
84 | 61 0.20
Average:
76 | 56 0.08
Scattered Clouds
Actual:
79 | 64 0.00
Average:
76 | 56 0.08
Rain
Actual:
71 | 62 0.91
Average:
75 | 56 0.07
 

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 81 72 72 70 68 97 74 50 30.20 30.11 30.03 10 9 6 8 2 - 0.00  
2 91 80 71 75 71 69 96 74 50 30.09 29.99 29.91 10 10 2 13 4 20 0.09 Rain , Thunderstorm
3 86 78 73 72 70 67 93 79 59 29.99 29.94 29.89 10 10 8 14 6 26 0.00  
4 78 74 71 73 71 70 94 90 78 29.97 29.92 29.88 10 9 2 9 5 - 0.08 Rain
5 84 78 71 72 70 69 94 84 61 30.00 29.93 29.86 10 10 10 8 3 - 0.00  
6 84 78 73 73 71 71 94 83 65 30.03 29.94 29.87 10 10 7 10 6 25 0.00  
7 93 80 68 71 68 61 100 74 37 29.97 29.90 29.81 10 7 0 5 0 - 0.00 Fog
8 84 74 66 73 69 59 91 81 69 29.86 29.81 29.75 10 10 6 14 7 18 0.25 Rain
9 82 70 57 58 54 48 94 62 32 30.01 29.92 29.85 10 10 10 14 6 - 0.00  
10 84 70 57 58 54 51 87 59 34 30.12 30.07 30.01 10 10 10 7 2 - 0.00  
11 82 72 63 58 55 52 81 60 39 30.25 30.18 30.11 10 10 10 7 2 - 0.00  
12 81 70 61 59 57 52 90 66 39 30.32 30.26 30.21 10 10 9 12 2 17 0.00  
13 80 70 61 60 56 53 83 62 42 30.31 30.25 30.19 10 10 10 7 4 - 0.00  
14 82 74 66 64 60 56 90 64 43 30.26 30.19 30.14 10 10 10 8 3 - 0.00  
15 84 74 64 63 61 57 90 65 40 30.18 30.12 30.07 10 10 10 5 1 - 0.00  
16 86 73 64 69 64 60 97 74 46 30.12 30.06 30.00 10 9 2 9 1 - 0.13 Rain
17 81 74 68 72 69 66 100 90 69 30.06 29.94 29.80 10 7 2 9 3 17 0.41 Rain
18 78 70 63 70 67 56 100 89 62 29.93 29.77 29.70 10 8 0 16 9 23 0.85 Rain , Thunderstorm
19 81 66 53 60 54 50 90 68 35 30.07 30.01 29.93 10 10 9 9 5 - 0.00  
20 77 68 62 63 61 60 96 83 58 30.15 30.09 30.02 10 9 7 7 2 - 0.00  
21 82 72 62 66 62 57 97 76 42 30.11 30.04 29.96 10 8 3 9 2 - 0.00  
22 84 73 62 63 60 52 97 68 43 30.05 30.00 29.95 10 9 6 15 4 18 0.00  
23 79 66 52 52 46 38 93 52 25 30.14 30.11 30.05 10 10 10 14 5 21 0.00  
24 77 60 45 47 42 38 86 52 29 30.21 30.16 30.13 10 10 10 9 4 - 0.00  
25 81 67 54 59 52 46 80 62 38 30.22 30.17 30.14 10 10 10 8 1 - 0.00  
26 84 68 55 58 56 54 97 67 37 30.24 30.17 30.12 10 10 7 6 1 - 0.00  
27 87 70 55 61 57 55 97 67 35 30.21 30.14 30.08 10 10 6 7 1 - 0.00  
28 84 72 61 68 64 59 97 80 51 30.15 30.07 29.99 10 9 1 24 2 31 0.20 Rain , Thunderstorm
29 79 71 64 67 65 64 97 85 61 30.01 29.95 29.87 10 9 6 7 1 - 0.00  
30 71 66 62 66 64 61 100 95 78 29.90 29.84 29.78 8 5 1 6 2 - 0.91 Rain