Purchase, NY

1:18 AM EDT on September 30, 2016 (GMT -0400)
Westchester County

Weather History for KHPN - September, 2012

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 74 °F 63 °F
Mean Temperature 78 °F 66 °F 55 °F
Min Temperature 71 °F 58 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 10 2 0 64
Cooling Degree Days (base 65) 14 3 0 87
Growing Degree Days (base 50) 28 16 5 468
Dew Point  
Dew Point 74 °F 56 °F 37 °F
Precipitation  
Precipitation 1.21 in 0.14 in 0.00 in 4.19 in
Snowdepth - - - -
Wind  
Wind 24 mph 6 mph 0 mph
Gust Wind 47 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.37 in 30.02 in 29.58 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 10, 2012 Rise Set
Actual Time 6:30 AM EDT 7:11 PM EDT
Civil Twilight 6:03 AM EDT 7:39 PM EDT
Nautical Twilight 5:30 AM EDT 8:12 PM EDT
Astronomical Twilight 4:56 AM EDT 8:46 PM EDT
Moon 12:47 AM EDT (9/10) 3:41 PM EDT (9/10)
Length of Visible Light 13h 36m
Length of Day
12h 40m
Waning Crescent, 30% of the Moon is Illuminated
Sep 10
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

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 88 78 71 67 63 57 87 62 46 30.07 29.98 29.89 10 10 8 14 9 20 0.00  
2 81 74 68 70 65 63 94 77 56 30.10 30.06 30.01 10 9 3 10 5 - 0.10 Rain
3 73 70 66 68 63 58 94 80 63 30.17 30.13 30.09 10 9 6 10 6 16 0.00 Rain
4 79 73 68 74 70 65 96 90 79 30.10 29.97 29.84 10 7 2 10 6 18 0.06 Rain
5 81 76 71 73 71 66 94 86 64 29.83 29.80 29.76 10 6 1 12 6 - 0.28 Rain , Thunderstorm
6 78 72 66 68 66 62 93 82 68 29.92 29.87 29.82 10 10 7 8 3 - 0.00 Rain
7 84 75 66 72 68 63 96 82 58 29.92 29.88 29.82 10 8 2 13 4 23 0.26 Rain
8 80 72 64 73 69 61 94 87 78 29.88 29.73 29.58 10 6 0 22 7 38 0.87 Fog , Rain , Thunderstorm
9 75 68 62 61 57 50 94 72 41 29.88 29.83 29.77 10 10 10 13 5 - 0.00 Rain
10 70 62 53 55 47 43 88 62 40 30.14 29.99 29.89 10 10 10 18 12 26 0.00  
11 69 58 48 61 46 41 88 68 40 30.28 30.23 30.14 10 10 10 9 4 - 0.00  
12 77 65 53 55 53 50 94 70 41 30.36 30.32 30.27 10 10 10 9 3 - 0.00  
13 78 66 55 59 56 54 94 72 44 30.37 30.32 30.28 10 10 10 8 2 - 0.00  
14 78 68 57 61 58 54 94 72 45 30.28 30.15 29.68 10 10 10 12 3 - 0.00  
15 73 65 55 61 52 45 88 65 41 30.12 30.08 30.04 20 10 10 21 9 25 0.00  
16 71 61 51 52 48 45 88 64 40 30.12 30.08 30.03 10 10 10 10 5 20 0.00  
17 75 63 51 54 51 46 94 70 41 30.11 30.06 30.03 10 10 10 7 4 - 0.00  
18 75 70 64 69 66 59 94 86 73 30.00 29.79 29.66 10 6 1 24 11 47 1.21 Rain , Thunderstorm
19 69 62 54 65 48 39 93 61 35 30.18 29.98 29.73 10 10 10 18 9 26 0.00 Rain
20 66 58 51 55 49 40 84 69 61 30.21 30.16 30.12 10 10 10 10 7 - 0.00 Rain
21 72 64 55 56 53 50 93 76 49 30.12 30.08 30.01 10 10 9 9 3 - 0.00  
22 71 63 55 66 59 53 97 85 70 30.00 29.90 29.80 10 9 2 15 5 21 0.18 Rain
23 66 58 48 59 47 39 93 68 39 30.11 30.01 29.85 10 9 4 16 6 22 0.01  
24 64 55 46 45 42 37 83 63 38 30.16 30.12 30.09 10 10 10 12 6 16 0.00  
25 71 58 46 54 46 40 83 63 38 30.19 30.15 30.12 10 10 10 10 3 18 0.00  
26 73 66 61 63 58 53 87 74 66 30.14 30.06 30.01 10 10 8 8 4 - 0.01 Rain
27 73 68 63 62 58 48 90 74 55 30.17 30.12 30.04 10 10 8 8 5 - 0.01 Rain
28 66 62 59 61 58 52 100 89 72 30.16 30.05 29.94 10 7 2 13 7 22 1.20 Rain , Thunderstorm
29 63 58 55 56 54 52 93 84 70 29.94 29.90 29.87 10 10 9 8 5 - 0.00 Rain
30 66 60 53 54 50 45 94 77 52 29.87 29.81 29.76 10 10 10 14 5 - 0.00 Rain , Thunderstorm