Grand Canyon, AZ

1:54 AM MST on April 25, 2018 (GMT -0700)
Grand Canyon National Park

Weather History for KGCN - September, 2011

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 76 °F 60 °F
Mean Temperature 68 °F 60 °F 52 °F
Min Temperature 57 °F 43 °F 36 °F
Degree Days  
Heating Degree Days (base 65) 13 6 0 167
Cooling Degree Days (base 65) 4 0 0 9
Growing Degree Days (base 50) 18 10 2 285
Dew Point  
Dew Point 55 °F 39 °F 15 °F
Precipitation  
Precipitation 0.76 in 0.08 in 0.00 in 2.44 in
Snowdepth - - - -
Wind  
Wind 23 mph 4 mph 0 mph
Gust Wind 46 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.42 in 30.07 in 29.83 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Sep. 14, 2011 Rise Set
Actual Time 6:10 AM MST 6:37 PM MST
Civil Twilight 5:44 AM MST 7:03 PM MST
Nautical Twilight 5:14 AM MST 7:33 PM MST
Astronomical Twilight 4:43 AM MST 8:04 PM MST
Moon 7:31 PM MST (9/14) 8:17 AM MST (9/14)
Length of Visible Light 13h 18m
Length of Day
12h 27m
Waning Gibbous, 95% of the Moon is Illuminated
Sep 14
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

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 87 64 42 37 33 29 61 34 15 30.21 29.92 29.83 10 10 10 23 5 32 0.00  
2 87 66 45 36 30 26 56 28 12 30.19 29.93 29.86 10 10 10 16 3 33 0.00  
3 87 68 50 30 26 19 41 24 11 30.24 29.94 29.88 10 10 10 10 3 - 0.00  
4 82 64 46 34 30 27 50 29 14 30.22 29.94 29.88 10 10 8 13 3 16 0.00  
5 81 64 48 50 41 30 67 42 21 30.27 30.03 29.92 10 8 2 23 5 34 0.00 Rain
6 75 64 48 55 49 45 90 64 37 30.33 30.09 29.98 10 10 8 10 5 - 0.01 Rain
7 80 62 45 46 39 30 90 47 19 30.33 30.11 30.05 10 10 6 12 3 - 0.00  
8 80 68 57 41 37 32 46 33 19 30.28 30.08 29.94 10 8 2 12 7 21 0.00 Thunderstorm
9 73 60 48 48 45 38 94 62 30 30.29 30.07 29.88 10 8 2 16 8 24 0.38 Rain , Thunderstorm
10 71 60 48 47 45 43 83 60 39 30.26 30.02 29.94 10 10 10 12 6 20 0.00 Thunderstorm
11 66 58 50 54 49 45 100 79 48 30.36 30.21 30.06 10 8 1 20 9 46 0.52 Rain , Thunderstorm
12 68 58 48 52 50 47 97 81 52 30.42 30.29 30.18 10 10 4 10 6 - 0.22 Rain , Thunderstorm
13 66 57 48 54 49 45 97 80 45 30.40 30.20 30.01 10 10 8 12 4 22 0.12 Rain , Thunderstorm
14 60 52 44 52 48 43 97 86 63 30.19 30.05 29.94 10 9 0 16 4 24 0.76 Fog , Rain , Thunderstorm
15 66 57 46 50 48 44 96 78 48 30.11 29.95 29.88 10 10 8 14 2 20 0.04 Rain , Thunderstorm
16 69 54 39 54 47 39 97 78 39 30.15 30.01 29.94 10 10 5 16 3 23 0.33 Rain , Thunderstorm
17 70 54 39 47 41 33 97 67 27 30.27 30.06 29.97 10 10 10 14 3 20 0.00  
18 73 56 39 46 42 37 93 64 28 30.38 30.19 30.11 10 10 10 9 1 - 0.00  
19 77 59 41 44 40 35 93 63 22 30.37 30.11 30.04 10 10 10 7 2 - 0.00  
20 79 60 42 45 38 26 90 57 15 30.13 30.03 29.97 10 10 10 9 2 - 0.00  
21 78 60 41 45 37 29 86 51 17 30.27 30.07 29.99 10 10 9 12 2 18 0.00 Rain , Thunderstorm
22 80 58 37 40 34 24 89 52 13 30.37 30.13 30.06 10 10 10 14 4 - 0.00  
23 80 58 37 36 29 15 86 46 9 30.42 30.22 30.12 10 10 10 9 2 17 0.00  
24 80 58 37 38 31 24 81 43 13 30.31 30.10 29.97 10 10 10 13 3 20 0.00  
25 75 57 39 40 35 29 87 53 19 30.21 29.99 29.91 10 10 10 12 2 18 0.00  
26 75 56 36 39 32 25 89 52 18 30.21 30.04 29.95 10 10 10 10 2 18 0.00  
27 78 57 36 37 32 29 79 49 18 30.35 30.12 30.06 10 10 10 6 1 - 0.00  
28 81 59 37 38 32 27 83 47 14 30.32 30.10 30.04 10 10 10 10 2 18 0.00  
29 81 59 37 37 31 27 79 44 14 30.27 30.08 30.03 10 10 6 13 4 20 0.00  
30 75 58 41 53 40 30 100 57 25 30.35 30.15 30.05 10 10 4 16 4 23 0.06 Rain , Thunderstorm