Weather History for Las Vegas, NV

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 102 °F 97 °F 87 °F
Mean Temperature 93 °F 86 °F 78 °F
Min Temperature 84 °F 74 °F 68 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 28 21 13 620
Growing Degree Days (base 50) 42 35 28 1052
Dew Point  
Dew Point 69 °F 41 °F 14 °F
Precipitation  
Precipitation 1.18 in 0.04 in 0.00 in 1.18 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 29 mph 8 mph 0 mph
Gust Wind 43 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.11 in 29.86 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 17, 2012 Rise Set
Actual Time 6:25 AM PDT 6:44 PM PDT
Civil Twilight 5:59 AM PDT 7:09 PM PDT
Nautical Twilight 5:29 AM PDT 7:39 PM PDT
Astronomical Twilight 4:58 AM PDT 8:10 PM PDT
Moon 8:13 AM PDT (9/17) 7:35 PM PDT (9/17)
Length of Visible Light 13h 10m
Length of Day
12h 18m
Waxing Crescent, 4% of the Moon is Illuminated
Sep 17
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Weather History Calendar

Precipitation Actual month total 1.18 Normal Month Total: 0.25
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
99 | 79 0.00
Average:
99 | 76 0.01
Scattered Clouds
Actual:
101 | 73 0.00
Average:
99 | 76 0.01
Scattered Clouds
Actual:
102 | 75 0.00
Average:
99 | 76 0.01
Partly Cloudy
Actual:
102 | 83 0.00
Average:
98 | 76 0.01
Thunderstorm
Actual:
99 | 81 T
Average:
98 | 75 0.01
Partly Cloudy
Actual:
101 | 84 0.00
Average:
98 | 75 0.01
Scattered Clouds
Actual:
100 | 83 0.00
Average:
97 | 75 0.01
Partly Cloudy
Actual:
102 | 80 0.00
Average:
97 | 74 0.01
Partly Cloudy
Actual:
100 | 80 0.00
Average:
97 | 74 0.01
Partly Cloudy
Actual:
97 | 80 0.00
Average:
96 | 74 0.01
Thunderstorm
Actual:
87 | 68 1.18
Average:
96 | 73 0.01
Fog
Actual:
92 | 68 0.00
Average:
96 | 73 0.01
Clear
Actual:
95 | 69 0.00
Average:
95 | 72 0.01
Clear
Actual:
95 | 70 0.00
Average:
95 | 72 0.01
Clear
Actual:
96 | 71 0.00
Average:
95 | 72 0.01
Scattered Clouds
Actual:
98 | 72 0.00
Average:
94 | 71 0.01
Scattered Clouds
Actual:
97 | 74 0.00
Average:
94 | 71 0.00
Scattered Clouds
Actual:
97 | 72 0.00
Average:
93 | 70 0.01
Clear
Actual:
98 | 73 0.00
Average:
93 | 70 0.01
Scattered Clouds
Actual:
98 | 73 0.00
Average:
92 | 69 0.01
Scattered Clouds
Actual:
99 | 72 0.00
Average:
92 | 69 0.00
Partly Cloudy
Actual:
96 | 74 0.00
Average:
92 | 69 0.01
Partly Cloudy
Actual:
96 | 76 0.00
Average:
91 | 68 0.01
Scattered Clouds
Actual:
94 | 76 0.00
Average:
91 | 68 0.01
Scattered Clouds
Actual:
89 | 70 0.00
Average:
90 | 67 0.00
Scattered Clouds
Actual:
91 | 71 0.00
Average:
90 | 67 0.01
Scattered Clouds
Actual:
92 | 69 0.00
Average:
89 | 66 0.00
Partly Cloudy
Actual:
93 | 69 0.00
Average:
89 | 66 0.01
Scattered Clouds
Actual:
95 | 70 0.00
Average:
88 | 66 0.00
Clear
Actual:
97 | 71 0.00
Average:
88 | 65 0.01
 

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 99 89 79 57 35 16 40 23 6 29.88 29.78 29.72 10 10 10 22 13 28 0.00  
2 101 87 73 36 27 14 21 13 5 29.95 29.81 29.73 10 10 10 21 8 28 0.00  
3 102 89 75 40 27 17 16 12 7 29.88 29.81 29.74 10 10 10 18 9 22 0.00  
4 102 93 83 56 49 42 34 24 14 29.92 29.84 29.77 10 10 10 18 7 23 0.00  
5 99 90 81 61 55 48 51 35 18 29.89 29.83 29.75 10 10 8 29 7 43 T Rain , Thunderstorm
6 101 93 84 53 50 47 34 25 16 29.86 29.77 29.71 10 10 10 24 14 32 0.00  
7 100 92 83 55 51 48 34 26 18 29.94 29.84 29.77 10 10 10 16 7 20 0.00  
8 102 91 80 57 46 38 43 28 12 29.94 29.85 29.77 10 10 10 13 6 17 0.00  
9 100 90 80 59 52 46 43 31 18 29.88 29.81 29.70 10 10 10 21 8 28 0.00  
10 97 89 80 61 56 50 51 36 21 29.87 29.79 29.68 10 10 7 20 11 31 0.00  
11 87 78 68 69 62 56 84 62 40 29.97 29.87 29.75 10 9 2 14 9 15 1.18 Rain , Thunderstorm
12 92 80 68 64 56 42 84 51 18 30.01 29.96 29.90 10 10 10 12 6 16 0.00 Fog
13 95 82 69 58 37 21 54 31 8 30.11 30.04 29.99 10 10 10 15 7 20 0.00  
14 95 83 70 43 37 29 35 23 11 30.11 30.03 29.97 10 10 10 10 6 14 0.00  
15 96 84 71 46 38 32 41 26 11 30.07 29.99 29.91 10 10 10 10 7 - 0.00  
16 98 85 72 43 34 27 31 20 8 30.02 29.91 29.83 10 10 10 15 9 22 0.00  
17 97 86 74 40 34 23 29 19 9 29.94 29.89 29.82 10 10 10 14 8 15 0.00  
18 97 85 72 40 34 27 29 19 9 30.05 29.93 29.86 10 10 10 13 7 15 0.00  
19 98 86 73 41 34 28 31 20 8 30.03 29.91 29.84 10 10 10 13 6 15 0.00  
20 98 86 73 41 34 27 29 19 9 29.98 29.88 29.83 10 10 10 12 5 14 0.00  
21 99 86 72 40 35 30 29 20 10 29.91 29.84 29.77 10 10 10 13 7 17 0.00  
22 96 85 74 41 38 35 29 21 12 29.89 29.83 29.79 10 10 10 14 7 17 0.00  
23 96 86 76 41 36 30 26 18 10 29.91 29.85 29.81 10 10 10 24 10 31 0.00  
24 94 85 76 41 38 33 27 20 13 29.82 29.75 29.67 10 10 10 28 15 37 0.00  
25 89 80 70 45 40 36 40 28 16 29.87 29.77 29.72 10 10 10 10 3 13 0.00  
26 91 81 71 43 40 37 35 26 16 29.91 29.82 29.78 10 10 10 12 5 14 0.00  
27 92 81 69 42 39 36 36 25 14 29.93 29.86 29.81 10 10 10 13 6 14 0.00  
28 93 81 69 41 37 31 36 24 11 29.91 29.84 29.78 10 10 10 12 6 13 0.00  
29 95 83 70 39 34 27 31 20 9 30.03 29.90 29.84 10 10 10 13 6 15 0.00  
30 97 84 71 36 31 26 25 17 9 30.08 29.94 29.88 10 10 10 14 6 16 0.00