Raleigh-Durham Airport, NC

3:21 PM EDT on July 24, 2017 (GMT -0400)
Raleigh-Durham International

Weather History for KRDU - September, 2011

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 82 °F 60 °F
Mean Temperature 81 °F 74 °F 58 °F
Min Temperature 74 °F 65 °F 55 °F
Degree Days  
Heating Degree Days (base 65) 7 0 0 15
Cooling Degree Days (base 65) 16 9 0 277
Growing Degree Days (base 50) 31 23 7 696
Dew Point  
Dew Point 74 °F 63 °F 40 °F
Precipitation  
Precipitation 1.59 in 0.23 in 0.00 in 5.54 in
Snowdepth - - - -
Wind  
Wind 29 mph 4 mph 0 mph
Gust Wind 66 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 30.00 in 29.64 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 23, 2011 Rise Set
Actual Time 7:03 AM EDT 7:10 PM EDT
Civil Twilight 6:38 AM EDT 7:36 PM EDT
Nautical Twilight 6:08 AM EDT 8:06 PM EDT
Astronomical Twilight 5:38 AM EDT 8:36 PM EDT
Moon 2:36 AM EDT (9/23) 4:34 PM EDT (9/23)
Length of Visible Light 12h 58m
Length of Day
12h 07m
Waning Crescent, 19% of the Moon is Illuminated
Sep 23
Waning Crescent
Sep 27
New
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter

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 86 73 60 65 60 56 90 68 45 30.20 30.14 30.04 10 10 10 12 2 16 0.00  
2 86 77 67 69 65 61 84 70 55 30.10 30.04 29.98 10 10 10 13 4 14 0.04 Rain
3 87 78 69 67 65 62 84 68 51 30.04 30.00 29.95 10 9 7 9 3 13 0.00  
4 88 79 69 69 65 60 79 64 48 29.98 29.92 29.86 10 10 9 14 8 21 0.00  
5 86 79 72 73 70 63 94 78 61 29.88 29.81 29.74 10 10 2 16 8 26 0.12 Rain
6 88 81 74 74 73 72 94 87 79 29.86 29.80 29.76 10 8 1 29 10 36 1.59 Rain , Thunderstorm
7 83 76 69 73 66 61 93 74 54 29.94 29.89 29.85 10 10 6 15 4 21 T  
8 84 74 63 63 62 59 87 67 46 29.92 29.88 29.83 10 10 10 8 1 10 T  
9 85 74 63 64 62 59 93 68 43 29.91 29.87 29.84 10 10 8 12 4 16 0.00  
10 87 76 64 65 62 58 93 67 40 30.01 29.95 29.91 10 10 8 8 2 10 0.00  
11 88 77 65 64 60 54 93 63 32 30.09 30.04 30.00 10 10 8 10 2 14 0.00  
12 87 77 66 63 61 55 87 62 37 30.09 30.04 29.97 10 10 10 9 3 13 0.00  
13 88 76 63 65 63 58 93 65 36 30.04 30.00 29.95 10 10 7 8 3 12 0.00  
14 89 78 66 66 63 58 93 65 36 30.01 29.97 29.91 10 10 7 12 2 15 0.00  
15 89 74 58 68 64 53 93 68 42 30.15 29.95 29.83 10 7 1 21 9 31 1.31 Rain
16 60 58 55 53 45 40 72 64 55 30.33 30.27 30.18 10 10 10 20 8 24 0.09 Rain
17 61 58 55 57 55 53 100 92 84 30.31 30.29 30.25 10 8 2 14 8 21 0.23 Rain
18 70 64 57 56 55 53 86 77 67 30.33 30.30 30.28 10 10 8 14 7 17 T  
19 75 68 60 61 58 56 90 76 61 30.27 30.20 30.13 10 10 10 9 3 12 T  
20 78 71 64 66 63 61 93 79 64 30.16 30.13 30.10 10 10 10 7 1 9 0.00  
21 83 75 67 70 67 64 90 76 62 30.16 30.12 30.06 10 9 3 8 3 - 0.43 Rain , Thunderstorm
22 82 76 70 71 69 66 93 80 67 30.16 30.11 30.08 10 9 5 9 3 13 0.08 Rain , Thunderstorm
23 74 70 66 72 69 65 93 89 84 30.09 30.00 29.91 10 8 0 20 4 26 0.68 Fog , Rain
24 78 73 67 70 67 63 100 85 69 30.04 30.00 29.96 10 6 0 16 4 62 0.03 Fog , Rain
25 80 75 70 70 68 66 97 82 67 30.07 30.03 29.99 10 10 9 18 6 24 T  
26 85 77 68 70 68 66 90 77 63 30.01 29.96 29.92 10 10 8 18 3 26 0.00  
27 87 80 73 72 70 69 93 75 57 29.95 29.90 29.84 10 10 8 21 8 66 T  
28 83 75 67 70 66 63 93 72 51 29.90 29.85 29.79 10 8 0 22 4 28 0.78 Fog , Rain , Thunderstorm
29 84 73 61 65 60 55 93 67 40 29.83 29.80 29.75 10 10 6 16 4 22 0.00 Fog
30 84 70 56 63 58 46 93 70 46 29.82 29.73 29.64 10 10 9 20 3 25 0.16 Rain , Thunderstorm