Weather History for Roanoke, VA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 78 °F 66 °F
Mean Temperature 81 °F 68 °F 56 °F
Min Temperature 71 °F 58 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 9 1 0 34
Cooling Degree Days (base 65) 16 5 0 138
Growing Degree Days (base 50) 30 18 6 547
Dew Point  
Dew Point 73 °F 56 °F 28 °F
Precipitation  
Precipitation 1.73 in 0.12 in 0.00 in 3.60 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 33 mph 4 mph 0 mph
Gust Wind 122 mph 29 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.07 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 07, 2012 Rise Set
Actual Time 6:55 AM EDT 7:39 PM EDT
Civil Twilight 6:29 AM EDT 8:05 PM EDT
Nautical Twilight 5:58 AM EDT 8:36 PM EDT
Astronomical Twilight 5:26 AM EDT 9:08 PM EDT
Moon 11:42 PM EDT (9/7) 1:37 PM EDT (9/7)
Length of Visible Light 13h 36m
Length of Day
12h 43m
Waning Gibbous, 58% of the Moon is Illuminated
Sep 7
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Weather History Calendar

Precipitation Actual month total 3.60 Normal Month Total: 3.89
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
90 | 71 0.08
Average:
83 | 63 0.14
Thunderstorm
Actual:
87 | 70 0.06
Average:
83 | 62 0.14
Rain
Actual:
77 | 70 0.13
Average:
83 | 62 0.14
Mostly Cloudy
Actual:
83 | 71 0.02
Average:
83 | 62 0.13
Thunderstorm
Actual:
84 | 71 0.93
Average:
82 | 61 0.13
Partly Cloudy
Actual:
86 | 70 0.00
Average:
82 | 61 0.14
Scattered Clouds
Actual:
88 | 65 0.00
Average:
82 | 61 0.13
Rain
Actual:
84 | 58 0.02
Average:
81 | 60 0.13
Scattered Clouds
Actual:
76 | 53 0.00
Average:
81 | 60 0.14
Scattered Clouds
Actual:
78 | 53 0.00
Average:
81 | 60 0.13
Clear
Actual:
77 | 48 0.00
Average:
80 | 59 0.13
Clear
Actual:
81 | 53 0.00
Average:
80 | 59 0.13
Clear
Actual:
80 | 52 0.00
Average:
80 | 59 0.14
Clear
Actual:
81 | 53 0.00
Average:
79 | 58 0.14
Partly Cloudy
Actual:
80 | 59 0.00
Average:
79 | 58 0.15
Rain
Actual:
66 | 61 0.02
Average:
78 | 58 0.14
Rain
Actual:
66 | 61 0.60
Average:
78 | 57 0.15
Rain
Actual:
74 | 62 1.73
Average:
78 | 57 0.14
Scattered Clouds
Actual:
73 | 53 0.00
Average:
77 | 56 0.13
Partly Cloudy
Actual:
76 | 58 0.00
Average:
77 | 56 0.12
Scattered Clouds
Actual:
81 | 55 0.00
Average:
77 | 56 0.13
Scattered Clouds
Actual:
83 | 60 0.00
Average:
76 | 55 0.12
Clear
Actual:
70 | 48 0.00
Average:
76 | 55 0.11
Clear
Actual:
71 | 41 0.00
Average:
75 | 54 0.11
Rain
Actual:
73 | 45 0.01
Average:
75 | 54 0.12
Clear
Actual:
84 | 54 0.00
Average:
75 | 54 0.11
Scattered Clouds
Actual:
85 | 61 0.00
Average:
74 | 53 0.11
Thunderstorm
Actual:
75 | 65 T
Average:
74 | 53 0.12
Mostly Cloudy
Actual:
70 | 55 0.00
Average:
74 | 52 0.12
Scattered Clouds
Actual:
74 | 46 0.00
Average:
73 | 52 0.12
 

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 90 81 71 70 67 63 93 69 44 30.17 30.12 30.05 10 10 10 23 4 31 0.08 Rain , Thunderstorm
2 87 79 70 73 70 68 93 74 55 30.10 30.03 29.95 10 10 5 13 3 16 0.06 Rain , Thunderstorm
3 77 74 70 72 69 68 97 88 79 30.10 30.04 29.99 10 9 2 12 5 17 0.13 Rain
4 83 77 71 72 70 69 93 79 65 30.05 29.98 29.91 10 9 3 17 9 23 0.02  
5 84 78 71 73 70 68 93 81 69 29.96 29.90 29.83 10 9 2 20 4 23 0.93 Rain , Thunderstorm
6 86 78 70 71 68 63 100 76 51 29.99 29.93 29.86 10 9 2 15 4 18 0.00  
7 88 77 65 68 66 63 93 68 43 30.01 29.95 29.86 10 10 10 13 4 16 0.00  
8 84 71 58 68 62 51 93 70 47 29.93 29.79 29.71 10 10 7 33 7 46 0.02 Rain
9 76 65 53 54 50 48 83 61 38 30.04 29.96 29.91 10 10 10 16 5 18 0.00  
10 78 66 53 53 47 40 86 59 32 30.22 30.12 30.04 10 10 10 16 5 22 0.00  
11 77 63 48 55 48 45 86 62 38 30.36 30.30 30.24 10 10 10 12 3 16 0.00  
12 81 67 53 55 53 51 93 65 34 30.39 30.34 30.30 10 10 10 12 3 15 0.00  
13 80 66 52 54 51 44 93 61 26 30.40 30.34 30.28 10 10 10 13 2 17 0.00  
14 81 67 53 58 53 50 90 64 34 30.32 30.25 30.17 10 10 10 10 2 16 0.00  
15 80 70 59 60 58 54 87 68 46 30.24 30.18 30.13 10 10 10 12 4 15 0.00  
16 66 64 61 58 55 51 86 74 56 30.21 30.16 30.11 10 10 10 8 5 - 0.02 Rain
17 66 64 61 64 61 58 100 91 81 30.14 30.07 29.93 10 7 2 7 4 122 0.60 Rain
18 74 68 62 68 64 53 100 84 67 29.90 29.76 29.67 10 7 1 22 7 39 1.73 Rain
19 73 63 53 54 49 45 83 62 40 30.17 30.07 29.92 10 10 10 13 6 15 0.00  
20 76 67 58 57 54 49 84 69 53 30.21 30.14 30.05 10 10 10 15 5 18 0.00  
21 81 68 55 58 56 53 93 66 39 30.10 30.04 29.97 10 10 8 15 3 18 0.00  
22 83 72 60 59 54 39 84 60 36 30.02 29.93 29.86 10 10 10 25 9 36 0.00  
23 70 59 48 41 35 28 56 39 22 30.21 30.12 30.01 10 10 10 18 7 24 0.00  
24 71 56 41 43 39 36 89 59 28 30.30 30.23 30.16 10 10 10 13 2 17 0.00  
25 73 59 45 55 47 40 89 65 41 30.26 30.21 30.15 10 10 10 12 3 15 0.01 Rain
26 84 69 54 63 57 52 93 67 40 30.21 30.17 30.13 10 10 10 13 4 17 0.00  
27 85 73 61 61 58 52 90 62 34 30.20 30.15 30.09 10 10 7 12 2 16 0.00  
28 75 70 65 63 60 57 81 68 54 30.11 30.06 30.01 10 10 10 15 5 21 T Rain , Thunderstorm
29 70 63 55 60 57 47 93 78 62 30.04 29.98 29.91 10 10 10 14 5 - 0.00  
30 74 60 46 52 47 43 93 64 35 29.97 29.92 29.85 10 10 10 10 2 14 0.00