Weather History for St. Augustine, FL

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 86 °F 82 °F
Mean Temperature 82 °F 79 °F 73 °F
Min Temperature 79 °F 74 °F 64 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 17 14 8 430
Growing Degree Days (base 50) 32 29 23 883
Dew Point  
Dew Point 78 °F 72 °F 53 °F
Precipitation  
Precipitation 1.10 in 0.15 in 0.00 in 4.51 in
Snowdepth - - - -
Wind  
Wind 21 mph 8 mph 0 mph
Gust Wind 32 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.21 in 30.03 in 29.78 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 21, 2012 Rise Set
Actual Time 7:13 AM EDT 7:22 PM EDT
Civil Twilight 6:49 AM EDT 7:46 PM EDT
Nautical Twilight 6:21 AM EDT 8:14 PM EDT
Astronomical Twilight 5:53 AM EDT 8:42 PM EDT
Moon 1:07 PM EDT (9/21) 11:48 PM EDT (9/21)
Length of Visible Light 12h 56m
Length of Day
12h 09m
Waxing Crescent, 37% of the Moon is Illuminated
Sep 21
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Weather History Calendar

Precipitation Actual month total 4.51 Average Month Total: 12.08
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
86 | 75 0.00
Average:
84 | 71 0.29
Scattered Clouds
Actual:
88 | 75 0.00
Average:
84 | 71 0.29
Clear
Actual:
88 | 72 0.00
Average:
84 | 71 0.29
Scattered Clouds
Actual:
89 | 73 0.00
Average:
84 | 71 0.29
Scattered Clouds
Actual:
87 | 73 0.00
Average:
83 | 71 0.30
Thunderstorm
Actual:
87 | 73 0.81
Average:
83 | 71 0.74
Thunderstorm
Actual:
88 | 73 1.10
Average:
83 | 71 0.30
Thunderstorm
Actual:
90 | 73 0.01
Average:
83 | 71 0.30
Thunderstorm
Actual:
87 | 77 0.24
Average:
83 | 71 0.75
Partly Cloudy
Actual:
84 | 75 0.00
Average:
83 | 71 0.30
Scattered Clouds
Actual:
84 | 79 0.00
Average:
83 | 71 0.29
Partly Cloudy
Actual:
86 | 78 0.00
Average:
83 | 71 0.76
Partly Cloudy
Actual:
84 | 75 0.00
Average:
83 | 71 0.29
Rain
Actual:
84 | 73 0.66
Average:
83 | 71 0.76
Scattered Clouds
Actual:
84 | 75 0.00
Average:
83 | 71 0.29
Scattered Clouds
Actual:
86 | 73 0.00
Average:
83 | 71 0.29
Scattered Clouds
Actual:
87 | 73 0.00
Average:
83 | 71 0.29
Thunderstorm
Actual:
84 | 73 0.83
Average:
83 | 71 0.29
Rain
Actual:
84 | 73 0.02
Average:
83 | 71 0.29
Thunderstorm
Actual:
84 | 73 0.07
Average:
82 | 71 0.66
Rain
Actual:
84 | 71 0.02
Average:
82 | 71 0.28
Rain
Actual:
84 | 73 0.00
Average:
82 | 70 0.28
Clear
Actual:
88 | 71 0.00
Average:
82 | 70 0.66
Scattered Clouds
Actual:
82 | 64 0.00
Average:
81 | 70 0.66
Partly Cloudy
Actual:
84 | 78 0.00
Average:
81 | 70 0.24
Scattered Clouds
Actual:
86 | 77 0.00
Average:
81 | 70 0.66
Scattered Clouds
Actual:
84 | 75 0.00
Average:
81 | 69 0.66
Partly Cloudy
Actual:
84 | 73 0.00
Average:
81 | 69 0.20
Scattered Clouds
Actual:
82 | 72 0.00
Average:
80 | 69 0.19
Thunderstorm
Actual:
87 | 73 0.75
Average:
80 | 69 0.19
 

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 86 80 75 78 75 72 96 83 63 30.20 30.15 30.09 10 9 5 9 3 - 0.00  
2 88 82 75 76 73 69 94 78 57 30.11 30.06 30.00 10 10 10 12 4 - 0.00  
3 88 80 72 73 71 69 91 77 57 30.08 30.04 29.99 10 10 10 16 6 - 0.00  
4 89 80 73 76 73 70 91 77 61 30.04 30.00 29.94 10 10 10 16 6 - 0.00  
5 87 80 73 76 73 70 91 79 67 30.00 29.97 29.93 10 10 10 14 6 - 0.00  
6 87 80 73 76 73 70 96 82 66 30.03 29.99 29.94 10 9 1 18 7 28 0.81 Rain , Thunderstorm
7 88 80 73 76 74 72 97 86 65 30.00 29.96 29.93 10 7 1 20 7 - 1.10 Rain , Thunderstorm
8 90 81 73 77 74 72 97 80 59 29.95 29.90 29.84 10 9 2 15 6 22 0.01 Rain , Thunderstorm
9 87 82 77 77 75 72 94 84 66 29.95 29.87 29.81 10 8 2 14 8 21 0.24 Rain , Thunderstorm
10 84 80 75 75 70 65 97 73 56 30.08 30.01 29.93 10 10 10 15 10 - 0.00  
11 84 82 79 69 66 63 72 60 48 30.19 30.14 30.07 10 10 10 17 14 - 0.00  
12 86 82 78 72 70 68 81 68 58 30.21 30.17 30.12 10 10 6 21 14 24 0.00  
13 84 80 75 73 71 70 88 76 67 30.18 30.13 30.10 10 10 10 21 13 30 0.00  
14 84 78 73 75 72 70 94 83 72 30.13 30.11 30.07 10 9 2 17 9 22 0.66 Rain
15 84 80 75 74 73 71 85 76 69 30.13 30.09 30.07 10 10 10 16 10 21 0.00  
16 86 80 73 74 72 71 94 79 63 30.11 30.07 30.02 10 10 10 13 5 - 0.00  
17 87 80 73 74 72 70 91 77 65 30.06 30.00 29.93 10 10 10 20 6 25 0.00  
18 84 78 73 75 73 70 94 89 74 29.95 29.91 29.85 10 7 1 21 10 31 0.83 Rain , Thunderstorm
19 84 78 73 75 73 71 94 83 69 30.06 29.98 29.90 10 10 6 12 6 - 0.02 Rain
20 84 78 73 74 72 68 94 82 69 30.07 30.03 30.00 10 9 5 17 7 - 0.07 Rain , Thunderstorm
21 84 76 71 74 73 70 100 85 69 30.05 30.02 29.98 10 10 3 15 6 - 0.02 Rain
22 84 78 73 74 72 71 93 83 67 30.06 30.02 29.99 10 10 10 14 4 - 0.00 Rain
23 88 79 71 73 68 59 96 75 51 30.10 30.06 30.02 10 10 10 13 6 - 0.00  
24 82 73 64 70 60 53 74 60 37 30.13 30.09 30.06 10 10 10 17 7 24 0.00  
25 84 81 78 70 68 66 74 65 56 30.16 30.12 30.06 10 10 10 21 16 20 0.00  
26 86 80 77 75 73 67 88 77 67 30.16 30.12 30.08 10 10 10 13 10 - 0.00  
27 84 80 75 76 73 69 94 79 67 30.16 30.11 30.07 10 10 10 18 8 24 0.00  
28 84 78 73 75 73 71 94 82 70 30.10 30.05 30.01 10 10 7 18 7 21 0.00  
29 82 77 72 75 72 70 97 84 67 30.02 29.97 29.89 10 10 10 10 3 - 0.00  
30 87 80 73 76 73 71 96 85 67 29.92 29.84 29.78 10 9 2 18 7 32 0.75 Rain , Thunderstorm