Weather History for Grand Canyon, AZ

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 76 °F 63 °F
Mean Temperature 66 °F 58 °F 52 °F
Min Temperature 52 °F 41 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 13 6 0 194
Cooling Degree Days (base 65) 2 0 0 2
Growing Degree Days (base 50) 16 8 2 255
Dew Point  
Dew Point 58 °F 37 °F 16 °F
Precipitation  
Precipitation 0.39 in 0.03 in 0.00 in 0.86 in
Snowdepth - - - -
Wind  
Wind 24 mph 3 mph 0 mph
Gust Wind 38 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.42 in 30.09 in 29.82 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 05, 2012 Rise Set
Actual Time 6:03 AM MST 6:49 PM MST
Civil Twilight 5:37 AM MST 7:15 PM MST
Nautical Twilight 5:07 AM MST 7:46 PM MST
Astronomical Twilight 4:35 AM MST 8:17 PM MST
Moon 9:34 PM MST (9/5) 10:59 AM MST (9/5)
Length of Visible Light 13h 37m
Length of Day
12h 45m
Waning Gibbous, 75% of the Moon is Illuminated
Sep 5
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Weather History Calendar

Precipitation Actual month total 0.86 Average Month Total: 1.20
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
77 | 48 0.00
Average:
76 | 45 0.07
Rain
Actual:
73 | 50 0.10
Average:
75 | 44 0.07
Scattered Clouds
Actual:
80 | 50 0.00
Average:
75 | 44 0.07
Scattered Clouds
Actual:
79 | 46 0.00
Average:
75 | 44 0.06
Thunderstorm
Actual:
79 | 42 0.02
Average:
74 | 44 0.06
Scattered Clouds
Actual:
82 | 46 0.00
Average:
74 | 43 0.06
Thunderstorm
Actual:
78 | 51 0.00
Average:
74 | 43 0.06
Scattered Clouds
Actual:
82 | 44 0.00
Average:
74 | 43 0.06
Scattered Clouds
Actual:
78 | 42 0.00
Average:
74 | 42 0.05
Thunderstorm
Actual:
78 | 50 0.34
Average:
74 | 42 0.05
Rain
Actual:
63 | 52 0.39
Average:
73 | 42 0.05
Thunderstorm
Actual:
69 | 45 0.01
Average:
73 | 41 0.05
Clear
Actual:
75 | 42 0.00
Average:
73 | 41 0.04
Clear
Actual:
72 | 41 0.00
Average:
73 | 40 0.04
Clear
Actual:
78 | 37 0.00
Average:
73 | 40 0.04
Clear
Actual:
75 | 35 0.00
Average:
72 | 39 0.04
Clear
Actual:
75 | 32 0.00
Average:
72 | 39 0.03
Clear
Actual:
77 | 35 0.00
Average:
72 | 38 0.03
Clear
Actual:
78 | 35 0.00
Average:
72 | 38 0.03
Clear
Actual:
79 | 37 0.00
Average:
72 | 38 0.03
Clear
Actual:
80 | 36 0.00
Average:
72 | 37 0.03
Partly Cloudy
Actual:
78 | 39 0.00
Average:
72 | 37 0.02
Scattered Clouds
Actual:
78 | 43 0.00
Average:
71 | 37 0.02
Rain
Actual:
75 | 37 0.00
Average:
71 | 36 0.02
Scattered Clouds
Actual:
73 | 37 0.00
Average:
71 | 36 0.02
Clear
Actual:
71 | 33 0.00
Average:
71 | 36 0.02
Scattered Clouds
Actual:
73 | 35 0.00
Average:
70 | 35 0.02
Scattered Clouds
Actual:
73 | 39 0.00
Average:
70 | 35 0.02
Scattered Clouds
Actual:
75 | 37 0.00
Average:
69 | 35 0.02
Clear
Actual:
75 | 33 0.00
Average:
69 | 34 0.02
 

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 77 62 48 55 51 44 93 68 43 30.27 30.04 29.98 10 10 10 15 4 24 0.00  
2 73 62 50 57 52 46 90 70 43 30.11 30.05 30.01 10 10 4 13 2 17 0.10 Rain
3 80 66 50 53 46 40 89 57 24 30.29 30.07 30.01 10 10 10 10 2 22 0.00  
4 79 62 46 52 48 42 90 64 32 30.14 30.08 30.05 10 10 10 12 2 26 0.00  
5 79 60 42 52 45 40 93 57 25 30.27 30.06 29.97 10 10 10 10 2 - 0.02 Rain , Thunderstorm
6 82 64 46 50 47 43 90 56 28 30.02 29.98 29.93 10 10 10 14 3 24 0.00  
7 78 65 51 55 51 47 86 66 35 30.33 30.08 29.97 10 9 3 9 2 - 0.00 Rain , Thunderstorm
8 82 63 44 48 37 28 93 51 15 30.36 30.15 29.99 10 8 2 16 4 22 0.00  
9 78 60 42 46 37 30 67 44 20 30.35 30.08 30.01 10 10 5 13 3 20 0.00  
10 78 64 50 55 50 43 94 72 30 30.27 30.05 29.95 10 9 2 18 4 30 0.34 Rain , Thunderstorm
11 63 58 52 58 54 50 100 89 70 30.24 30.10 29.95 10 8 1 16 4 20 0.39 Rain
12 69 58 45 54 49 43 100 86 42 30.30 30.17 30.02 10 5 0 12 1 16 0.01 Fog , Thunderstorm
13 75 58 42 44 35 24 93 50 17 30.25 30.20 30.14 10 10 10 24 7 31 0.00  
14 72 57 41 41 37 35 86 51 26 30.32 30.25 30.18 10 10 10 14 7 21 0.00  
15 78 58 37 39 32 23 86 49 13 30.42 30.21 30.13 10 10 10 8 3 - 0.00  
16 75 55 35 36 27 16 85 43 10 30.23 30.12 30.05 10 10 10 12 2 25 0.00  
17 75 54 32 35 30 27 85 46 18 30.28 30.08 30.03 10 10 10 12 2 17 0.00  
18 77 56 35 35 26 20 82 41 12 30.20 30.13 30.09 10 10 10 8 2 22 0.00  
19 78 56 35 31 26 22 70 39 13 30.35 30.14 30.09 10 10 10 10 2 17 0.00  
20 79 58 37 33 28 25 70 39 15 30.34 30.12 30.05 10 10 10 13 3 20 0.00  
21 80 58 36 33 26 22 73 38 12 30.18 30.07 30.01 10 10 10 13 3 17 0.00  
22 78 58 39 37 30 27 65 39 16 30.34 30.10 30.04 10 10 10 12 3 - 0.00  
23 78 60 43 38 34 30 71 44 18 30.14 30.09 30.05 10 10 10 15 3 23 0.00  
24 75 56 37 37 32 27 82 43 19 30.09 29.99 29.86 10 10 10 23 5 38 0.00 Rain
25 73 55 37 36 32 29 73 44 20 30.14 29.91 29.82 10 10 10 14 4 22 0.00  
26 71 52 33 35 28 25 79 46 20 30.15 29.99 29.94 10 10 10 9 2 16 0.00  
27 73 54 35 38 31 25 72 45 22 30.14 30.06 30.02 10 10 10 8 2 - 0.00  
28 73 56 39 36 30 26 73 40 19 30.12 30.01 29.93 10 10 10 10 3 - 0.00  
29 75 56 37 33 26 20 70 39 13 30.18 30.10 30.04 10 10 10 9 2 - 0.00  
30 75 54 33 29 22 16 67 36 11 30.25 30.15 30.11 10 10 10 22 4 26 0.00