Knoxville, TN

10:07 AM EDT on August 19, 2017 (GMT -0400)
McGhee Tyson

Weather History for KTYS - September, 2015

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Month of September, 2015

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 82 °F 68 °F
Mean Temperature 81 °F 73 °F 59 °F
Min Temperature 71 °F 62 °F 47 °F
Degree Days  
Heating Degree Days (base 65) 6 0 0 10
Cooling Degree Days (base 65) 16 8 0 237
Growing Degree Days (base 50) 31 22 9 661
Dew Point  
Dew Point 79 °F 62 °F 43 °F
Precipitation  
Precipitation 0.51 in 0.06 in 0.00 in 1.58 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 20 mph 4 mph 0 mph
Gust Wind 31 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 30.03 in 29.80 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 15, 2015 Rise Set
Actual Time 7:18 AM EDT 7:43 PM EDT
Civil Twilight 6:52 AM EDT 8:09 PM EDT
Nautical Twilight 6:22 AM EDT 8:39 PM EDT
Astronomical Twilight 5:51 AM EDT 9:09 PM EDT
Moon 9:19 AM EDT (9/15) 9:03 PM EDT (9/15)
Length of Visible Light 13h 16m
Length of Day
12h 25m
Waxing Crescent, 5% of the Moon is Illuminated
Sep 15
Waxing Crescent
Sep 21
First Quarter
Sep 27
Full
Oct 4
Last Quarter
Oct 12
New

Daily Weather History & Observations

2015 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 89 78 66 75 68 61 100 70 40 30.14 30.08 30.04 10 10 10 7 2 7 0.00  
2 91 80 69 71 68 63 100 69 38 30.12 30.05 29.97 10 10 10 8 2 8 0.00  
3 91 81 71 71 67 60 93 65 36 30.01 29.96 29.90 10 10 10 10 5 17 0.00  
4 91 80 68 70 67 62 100 69 38 30.03 29.99 29.94 10 9 5 13 4 13 0.00  
5 88 78 68 75 66 62 93 68 43 30.12 30.07 30.02 10 10 7 6 2 - 0.00 Thunderstorm
6 88 77 66 70 66 62 100 73 46 30.16 30.10 30.05 10 10 3 14 2 23 0.05 Thunderstorm
7 86 76 65 71 65 61 100 71 42 30.14 30.07 30.00 10 9 7 8 2 8 0.00  
8 86 77 68 69 67 62 100 73 45 30.06 30.00 29.92 10 10 10 6 1 6 0.00  
9 82 76 70 74 71 68 100 83 65 29.98 29.92 29.86 10 10 5 16 3 16 0.25 Rain , Thunderstorm
10 78 73 68 73 70 68 100 87 74 29.93 29.88 29.81 10 7 2 12 5 17 0.06 Rain
11 83 74 65 70 65 58 100 72 43 29.96 29.87 29.81 10 7 1 15 3 31 0.13 Fog , Rain , Thunderstorm
12 75 68 61 66 62 58 100 79 57 29.93 29.84 29.80 10 10 5 13 9 18 0.09 Rain
13 68 59 50 61 54 51 100 82 63 30.13 30.03 29.94 10 10 10 12 3 16 0.00  
14 76 62 47 53 48 43 100 66 31 30.29 30.22 30.14 10 10 10 6 2 - 0.00  
15 80 66 52 56 53 52 100 68 36 30.36 30.30 30.25 10 10 10 8 2 8 0.00  
16 80 68 55 62 55 50 100 69 37 30.36 30.28 30.20 10 10 10 8 2 8 0.00 Fog
17 82 69 56 79 60 54 100 69 37 30.22 30.13 30.04 10 10 10 8 2 8 0.00  
18 83 71 58 61 58 56 100 70 40 30.06 29.99 29.92 10 10 10 8 2 8 0.00  
19 86 73 60 67 61 55 100 69 37 29.99 29.94 29.91 10 10 10 8 2 8 0.00  
20 81 74 66 66 62 54 100 79 57 30.01 29.96 29.92 10 10 10 13 5 13 0.00  
21 78 71 64 63 59 55 93 69 45 30.06 30.00 29.95 10 10 10 9 4 9 0.00  
22 82 71 59 62 59 57 100 73 45 30.14 30.08 30.03 10 10 10 9 4 9 0.00  
23 83 73 62 62 58 50 100 67 34 30.17 30.11 30.07 10 10 10 9 3 9 0.00  
24 83 72 60 60 55 46 100 68 36 30.16 30.10 30.06 10 10 10 12 5 17 0.00  
25 69 64 59 64 59 47 100 79 58 30.08 30.05 30.02 10 7 2 14 9 17 0.51 Rain
26 79 70 61 64 60 58 100 77 54 30.09 30.06 30.02 10 8 6 15 9 22 0.10 Fog , Rain
27 84 74 63 64 61 59 100 74 47 30.13 30.07 30.00 10 10 10 13 6 13 0.00  
28 86 77 67 70 67 64 93 76 58 30.03 29.98 29.91 10 10 10 10 4 11 T  
29 78 72 65 72 69 65 100 87 74 29.92 29.87 29.80 10 7 1 14 4 17 0.39 Rain
30 81 73 65 66 65 62 100 79 58 29.89 29.85 29.80 10 5 1 20 5 25 T Rain