Weather History for Denver, CO

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 95 °F 80 °F 60 °F
Mean Temperature 80 °F 67 °F 54 °F
Min Temperature 64 °F 52 °F 45 °F
Degree Days  
Heating Degree Days (base 65) 11 2 0 69
Cooling Degree Days (base 65) 15 4 0 115
Growing Degree Days (base 50) 30 17 4 497
Dew Point  
Dew Point 56 °F 34 °F 9 °F
Precipitation  
Precipitation 1.41 in 0.12 in 0.00 in 2.94 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 30 mph 9 mph 0 mph
Gust Wind 37 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 30.00 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 14, 2012 Rise Set
Actual Time 6:39 AM MDT 7:08 PM MDT
Civil Twilight 6:12 AM MDT 7:35 PM MDT
Nautical Twilight 5:40 AM MDT 8:06 PM MDT
Astronomical Twilight 5:07 AM MDT 8:39 PM MDT
Moon 5:06 AM MDT (9/14) 6:06 PM MDT (9/14)
Length of Visible Light 13h 23m
Length of Day
12h 28m
Waning Crescent, 2% of the Moon is Illuminated
Sep 14
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.94 Normal Month Total: 0.96
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
95 | 64 T
Average:
84 | 54 0.03
Thunderstorm
Actual:
92 | 63 0.04
Average:
84 | 54 0.03
Rain
Actual:
90 | 61 T
Average:
83 | 53 0.03
Scattered Clouds
Actual:
92 | 63 0.00
Average:
83 | 53 0.04
Scattered Clouds
Actual:
86 | 56 0.00
Average:
83 | 53 0.03
Partly Cloudy
Actual:
91 | 59 0.00
Average:
82 | 52 0.04
Thunderstorm
Actual:
70 | 52 T
Average:
82 | 52 0.03
Clear
Actual:
79 | 47 0.00
Average:
82 | 51 0.04
Clear
Actual:
89 | 47 0.00
Average:
81 | 51 0.03
Partly Cloudy
Actual:
92 | 61 0.00
Average:
81 | 51 0.04
Rain
Actual:
90 | 64 T
Average:
81 | 50 0.03
Rain
Actual:
60 | 48 0.95
Average:
80 | 50 0.04
Partly Cloudy
Actual:
69 | 50 0.00
Average:
80 | 49 0.03
Clear
Actual:
77 | 49 0.00
Average:
79 | 49 0.03
Partly Cloudy
Actual:
87 | 50 0.00
Average:
79 | 49 0.03
Partly Cloudy
Actual:
86 | 55 0.00
Average:
79 | 48 0.03
Partly Cloudy
Actual:
65 | 47 0.00
Average:
78 | 48 0.03
Clear
Actual:
78 | 48 0.00
Average:
78 | 47 0.03
Partly Cloudy
Actual:
82 | 51 0.00
Average:
77 | 47 0.03
Partly Cloudy
Actual:
82 | 48 0.00
Average:
77 | 47 0.03
Scattered Clouds
Actual:
79 | 47 0.00
Average:
76 | 46 0.03
Scattered Clouds
Actual:
81 | 45 0.00
Average:
76 | 46 0.03
Partly Cloudy
Actual:
88 | 50 0.00
Average:
75 | 45 0.03
Partly Cloudy
Actual:
80 | 57 T
Average:
75 | 45 0.03
Thunderstorm
Actual:
73 | 51 0.54
Average:
75 | 44 0.03
Thunderstorm
Actual:
67 | 49 1.41
Average:
74 | 44 0.03
Thunderstorm
Actual:
66 | 46 T
Average:
74 | 44 0.03
Scattered Clouds
Actual:
71 | 45 0.00
Average:
73 | 43 0.03
Scattered Clouds
Actual:
76 | 50 0.00
Average:
73 | 43 0.03
Partly Cloudy
Actual:
75 | 50 0.00
Average:
72 | 42 0.04
 

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 95 80 64 43 34 28 33 22 10 30.07 29.86 29.78 10 10 7 30 11 37 T  
2 92 78 63 56 45 35 67 41 15 30.19 29.92 29.82 10 10 5 24 8 31 0.04 Rain , Thunderstorm
3 90 76 61 53 40 27 72 42 11 30.16 29.94 29.88 10 10 10 28 11 32 T Rain
4 92 78 63 43 28 12 44 25 6 30.10 29.87 29.78 10 10 10 22 11 28 0.00  
5 86 71 56 28 23 18 25 17 8 30.09 29.94 29.84 10 10 10 22 12 25 0.00  
6 91 75 59 31 21 10 32 19 5 30.11 29.85 29.75 10 10 10 23 10 29 0.00  
7 70 61 52 41 38 30 64 44 24 30.33 30.13 29.85 10 10 10 25 8 31 T Rain , Thunderstorm
8 79 63 47 42 33 18 71 41 10 30.28 30.20 30.10 10 10 10 13 6 20 0.00  
9 89 68 47 32 23 9 39 22 5 30.13 30.00 29.83 10 10 10 28 12 32 0.00  
10 92 77 61 28 22 18 21 14 7 29.87 29.78 29.69 10 10 10 22 10 26 0.00  
11 90 77 64 55 37 22 30 22 13 29.94 29.76 29.68 10 10 10 17 7 23 T Rain
12 60 54 48 55 47 45 89 80 71 30.41 30.17 29.88 10 8 2 18 8 21 0.95 Rain
13 69 60 50 47 42 33 86 57 27 30.46 30.36 30.29 10 10 5 12 6 15 0.00  
14 77 63 49 40 33 21 63 38 13 30.35 30.26 30.14 10 10 10 13 9 17 0.00  
15 87 69 50 38 27 11 59 33 6 30.31 30.03 29.92 10 10 10 17 10 22 0.00  
16 86 71 55 31 22 9 35 20 5 30.13 29.88 29.80 10 10 10 21 11 26 0.00  
17 65 56 47 39 37 33 66 50 34 30.12 30.05 29.96 10 10 10 15 7 20 0.00  
18 78 63 48 39 31 24 66 40 14 30.19 30.01 29.93 10 10 10 16 9 18 0.00  
19 82 67 51 32 27 21 38 25 11 30.17 29.98 29.91 10 10 8 21 10 25 0.00  
20 82 65 48 31 27 22 46 29 11 30.18 29.98 29.93 10 10 10 20 11 23 0.00  
21 79 63 47 35 29 25 61 37 13 30.09 30.02 29.95 10 10 9 13 6 16 0.00  
22 81 63 45 35 32 29 58 37 16 30.32 30.09 29.99 10 10 7 21 10 25 0.00  
23 88 69 50 34 27 14 50 29 7 30.04 29.96 29.88 10 10 10 26 9 33 0.00  
24 80 69 57 42 35 28 51 34 17 30.02 29.85 29.77 10 10 10 20 10 24 T  
25 73 62 51 50 43 39 83 57 31 30.10 29.89 29.80 10 9 4 28 10 32 0.54 Rain , Thunderstorm
26 67 58 49 52 48 44 89 69 48 30.21 30.05 29.91 10 8 3 20 8 22 1.41 Rain , Thunderstorm
27 66 56 46 50 46 43 89 69 48 30.24 30.09 30.03 10 10 6 21 6 26 T Rain , Thunderstorm
28 71 58 45 48 43 39 89 61 33 30.22 30.08 30.01 10 10 8 12 6 23 0.00  
29 76 63 50 46 41 32 80 51 21 30.06 29.99 29.92 10 10 10 14 6 18 0.00  
30 75 63 50 45 38 33 71 47 23 30.20 30.01 29.96 10 10 10 24 11 30 0.00