Weather History for Knoxville, TN

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 92 °F 81 °F 70 °F
Mean Temperature 81 °F 71 °F 58 °F
Min Temperature 71 °F 60 °F 43 °F
Degree Days  
Heating Degree Days (base 65) 7 0 0 15
Cooling Degree Days (base 65) 16 6 0 190
Growing Degree Days (base 50) 31 21 8 621
Dew Point  
Dew Point 73 °F 60 °F 32 °F
Precipitation  
Precipitation 3.16 in 0.32 in 0.00 in 7.64 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 26 mph 4 mph 0 mph
Gust Wind 33 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.32 in 30.04 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 28, 2012 Rise Set
Actual Time 7:28 AM EDT 7:23 PM EDT
Civil Twilight 7:03 AM EDT 7:48 PM EDT
Nautical Twilight 6:33 AM EDT 8:18 PM EDT
Astronomical Twilight 6:03 AM EDT 8:48 PM EDT
Moon 6:24 PM EDT (9/28) 6:00 AM EDT (9/28)
Length of Visible Light 12h 45m
Length of Day
11h 54m
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 7.64 Normal Month Total: 3.24
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
91 | 70 0.00
Average:
86 | 66 0.10
Thunderstorm
Actual:
92 | 70 0.29
Average:
86 | 65 0.09
Rain
Actual:
83 | 70 0.44
Average:
86 | 65 0.10
Rain
Actual:
84 | 71 T
Average:
86 | 65 0.10
Thunderstorm
Actual:
88 | 71 0.13
Average:
85 | 64 0.09
Rain
Actual:
87 | 71 T
Average:
85 | 64 0.10
Scattered Clouds
Actual:
90 | 66 0.00
Average:
85 | 64 0.10
Rain
Actual:
79 | 58 0.68
Average:
85 | 63 0.11
Fog
Actual:
78 | 53 0.00
Average:
84 | 63 0.11
Scattered Clouds
Actual:
80 | 57 0.00
Average:
84 | 63 0.12
Partly Cloudy
Actual:
82 | 57 0.00
Average:
84 | 62 0.11
Partly Cloudy
Actual:
81 | 67 0.00
Average:
83 | 62 0.12
Partly Cloudy
Actual:
81 | 63 0.00
Average:
83 | 62 0.12
Partly Cloudy
Actual:
84 | 61 0.00
Average:
83 | 61 0.11
Rain
Actual:
85 | 60 0.00
Average:
82 | 61 0.12
Partly Cloudy
Actual:
83 | 66 T
Average:
82 | 60 0.11
Thunderstorm
Actual:
70 | 66 2.94
Average:
82 | 60 0.11
Rain
Actual:
73 | 56 3.16
Average:
81 | 60 0.11
Scattered Clouds
Actual:
73 | 52 0.00
Average:
81 | 59 0.10
Scattered Clouds
Actual:
79 | 52 0.00
Average:
80 | 59 0.11
Scattered Clouds
Actual:
81 | 57 0.00
Average:
80 | 58 0.11
Partly Cloudy
Actual:
82 | 58 0.00
Average:
80 | 58 0.11
Clear
Actual:
72 | 50 0.00
Average:
79 | 58 0.11
Clear
Actual:
72 | 43 0.00
Average:
79 | 57 0.11
Scattered Clouds
Actual:
80 | 46 0.00
Average:
78 | 57 0.11
Clear
Actual:
81 | 57 0.00
Average:
78 | 56 0.11
Fog
Actual:
83 | 57 0.00
Average:
78 | 56 0.11
Rain
Actual:
81 | 62 T
Average:
77 | 55 0.11
Rain
Actual:
79 | 62 T
Average:
77 | 55 0.11
Rain
Actual:
73 | 56 T
Average:
77 | 55 0.11
 

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 70 70 69 68 93 72 50 30.20 30.10 30.02 10 10 10 15 5 21 0.00  
2 92 81 70 72 69 67 93 70 47 30.04 29.96 29.86 10 10 3 26 10 33 0.29 Rain , Thunderstorm
3 83 77 70 70 69 67 97 81 65 29.97 29.92 29.87 10 8 1 18 5 22 0.44 Rain
4 84 78 71 73 71 70 94 82 69 29.91 29.88 29.86 10 10 7 15 4 20 T Rain
5 88 80 71 72 71 69 93 74 55 29.96 29.89 29.81 10 8 2 20 8 23 0.13 Rain , Thunderstorm
6 87 79 71 70 69 66 93 72 51 30.01 29.93 29.87 10 10 5 9 2 13 T Rain
7 90 78 66 70 66 62 100 71 41 29.99 29.91 29.79 10 8 1 9 3 12 0.00  
8 79 69 58 68 64 57 93 78 62 29.94 29.83 29.74 10 8 1 20 8 24 0.68 Rain
9 78 66 53 59 54 50 100 70 39 30.04 29.98 29.92 10 5 0 9 3 17 0.00 Fog
10 80 69 57 58 55 50 93 65 37 30.14 30.09 30.03 10 10 10 9 1 13 0.00  
11 82 70 57 60 57 54 93 68 42 30.26 30.19 30.14 10 10 10 13 4 18 0.00  
12 81 74 67 63 61 58 87 66 45 30.32 30.25 30.19 10 10 10 7 2 10 0.00  
13 81 72 63 62 59 54 93 68 42 30.32 30.25 30.19 10 10 8 10 3 16 0.00  
14 84 73 61 61 58 55 93 67 40 30.25 30.21 30.16 10 10 10 7 2 10 0.00  
15 85 73 60 62 59 54 97 67 37 30.22 30.14 30.07 10 10 6 10 2 14 0.00 Rain
16 83 75 66 64 62 60 87 67 47 30.11 30.05 30.00 10 10 8 9 2 13 T  
17 70 68 66 67 65 63 100 91 81 30.03 29.93 29.75 10 3 1 12 3 14 2.94 Rain , Thunderstorm
18 73 65 56 67 64 51 100 84 67 29.99 29.75 29.67 10 5 1 17 6 21 3.16 Rain
19 73 63 52 54 51 48 96 70 44 30.12 30.06 29.99 10 10 10 15 6 18 0.00  
20 79 66 52 60 56 51 93 71 48 30.12 30.06 30.00 10 10 9 15 4 22 0.00  
21 81 69 57 63 57 51 93 65 36 30.07 30.01 29.93 10 10 6 17 5 22 0.00  
22 82 70 58 62 55 44 84 60 35 30.07 29.98 29.93 10 10 10 21 10 26 0.00  
23 72 61 50 50 42 32 89 58 26 30.21 30.14 30.07 10 10 10 12 3 15 0.00  
24 72 58 43 45 41 35 89 59 28 30.25 30.20 30.13 10 10 10 17 4 22 0.00  
25 80 63 46 60 51 45 93 66 39 30.21 30.15 30.09 10 10 10 15 2 20 0.00  
26 81 69 57 60 57 55 93 68 42 30.21 30.15 30.11 10 10 10 13 5 20 0.00  
27 83 70 57 62 59 55 100 73 46 30.20 30.15 30.09 10 8 0 12 3 16 0.00 Fog
28 81 72 62 65 62 60 93 72 51 30.10 30.06 30.00 10 9 6 14 2 22 T Rain
29 79 71 62 65 61 53 100 78 56 30.02 29.96 29.87 10 9 6 14 5 16 T Rain
30 73 65 56 57 54 49 93 71 49 29.93 29.88 29.81 10 9 4 9 6 20 T Rain