Weather History for Wilmington, DE

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 77 °F 67 °F
Mean Temperature 82 °F 66 °F 56 °F
Min Temperature 73 °F 55 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 9 2 0 69
Cooling Degree Days (base 65) 17 4 0 107
Growing Degree Days (base 50) 32 16 6 484
Dew Point  
Dew Point 76 °F 55 °F 36 °F
Precipitation  
Precipitation 1.44 in 0.07 in 0.00 in 1.92 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 35 mph 6 mph 0 mph
Gust Wind 45 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 30.04 in 29.69 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 16, 2013 Rise Set
Actual Time 6:44 AM EDT 7:09 PM EDT
Civil Twilight 6:17 AM EDT 7:35 PM EDT
Nautical Twilight 5:45 AM EDT 8:07 PM EDT
Astronomical Twilight 5:13 AM EDT 8:40 PM EDT
Moon 5:16 PM EDT (9/16) 3:28 AM EDT (9/16)
Length of Visible Light 13h 18m
Length of Day
12h 24m
Waxing Gibbous, 90% of the Moon is Illuminated
Sep 16
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Weather History Calendar

Precipitation Actual month total 1.92 Normal Month Total: 4.32
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
87 | 73 0.00
Average:
82 | 63 0.11
Thunderstorm
Actual:
84 | 70 0.41
Average:
82 | 63 0.12
Clear
Actual:
83 | 64 0.00
Average:
82 | 63 0.12
Clear
Actual:
81 | 59 0.00
Average:
81 | 63 0.12
Scattered Clouds
Actual:
82 | 57 0.00
Average:
81 | 62 0.12
Clear
Actual:
75 | 52 0.00
Average:
81 | 62 0.12
Clear
Actual:
79 | 48 0.00
Average:
80 | 62 0.13
Partly Cloudy
Actual:
86 | 60 T
Average:
80 | 61 0.13
Partly Cloudy
Actual:
76 | 54 0.00
Average:
80 | 61 0.13
Partly Cloudy
Actual:
88 | 70 0.00
Average:
80 | 61 0.13
Clear
Actual:
91 | 73 0.00
Average:
79 | 60 0.13
Rain
Actual:
89 | 71 0.04
Average:
79 | 60 0.15
Partly Cloudy
Actual:
79 | 58 T
Average:
79 | 59 0.14
Scattered Clouds
Actual:
68 | 48 0.00
Average:
78 | 59 0.15
Clear
Actual:
74 | 44 0.00
Average:
78 | 59 0.16
Rain
Actual:
74 | 57 0.01
Average:
78 | 58 0.15
Clear
Actual:
67 | 48 0.00
Average:
77 | 58 0.17
Clear
Actual:
70 | 42 0.00
Average:
77 | 57 0.16
Clear
Actual:
75 | 48 0.00
Average:
76 | 57 0.15
Clear
Actual:
77 | 52 0.00
Average:
76 | 57 0.16
Rain
Actual:
79 | 52 1.44
Average:
76 | 56 0.16
Rain
Actual:
72 | 50 0.02
Average:
75 | 56 0.15
Scattered Clouds
Actual:
68 | 47 0.00
Average:
75 | 55 0.15
Clear
Actual:
72 | 44 0.00
Average:
74 | 55 0.16
Clear
Actual:
76 | 46 0.00
Average:
74 | 54 0.16
Scattered Clouds
Actual:
75 | 49 0.00
Average:
74 | 54 0.15
Mostly Cloudy
Actual:
73 | 58 0.00
Average:
73 | 54 0.16
Partly Cloudy
Actual:
74 | 52 0.00
Average:
73 | 53 0.16
Scattered Clouds
Actual:
74 | 50 0.00
Average:
72 | 53 0.16
Scattered Clouds
Actual:
73 | 47 0.00
Average:
72 | 52 0.16
 

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

2013 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 87 80 73 75 72 69 93 76 59 29.86 29.82 29.78 10 10 9 16 7 21 0.00  
2 84 77 70 75 73 61 94 82 70 29.80 29.77 29.73 10 7 2 35 5 45 0.41 Rain , Thunderstorm
3 83 74 64 70 63 55 97 72 47 29.94 29.82 29.74 10 9 5 17 9 22 0.00  
4 81 70 59 60 56 52 84 60 36 30.06 30.02 29.94 10 10 10 14 7 18 0.00  
5 82 70 57 62 55 46 87 64 41 30.15 30.04 30.01 10 10 10 20 8 23 0.00  
6 75 64 52 48 45 41 77 56 35 30.27 30.21 30.16 10 10 10 15 7 17 0.00  
7 79 64 48 60 52 47 100 69 37 30.16 30.06 29.94 10 10 10 13 4 17 0.00  
8 86 73 60 65 60 47 87 69 51 30.08 29.93 29.88 10 10 10 16 8 21 T  
9 76 65 54 65 56 45 79 68 56 30.23 30.18 30.11 10 10 10 17 9 22 0.00  
10 88 79 70 72 69 64 93 75 57 30.20 30.15 30.09 10 10 8 13 7 16 0.00  
11 91 82 73 76 72 68 93 72 50 30.15 30.09 30.02 10 8 3 15 6 20 0.00  
12 89 80 71 72 70 67 93 76 59 30.00 29.86 29.74 10 9 5 31 6 43 0.04 Rain
13 79 69 58 70 59 49 93 66 39 29.91 29.76 29.69 10 8 2 22 10 28 T  
14 68 58 48 49 46 45 86 66 45 30.18 30.05 29.93 10 10 10 18 8 23 0.00  
15 74 59 44 58 50 43 93 67 41 30.25 30.18 30.12 10 10 10 15 5 18 0.00  
16 74 66 57 58 55 49 90 70 49 30.26 30.12 30.06 10 10 6 16 7 22 0.01 Rain
17 67 58 48 48 40 36 77 56 34 30.44 30.37 30.27 10 10 10 21 9 26 0.00  
18 70 56 42 50 45 39 96 66 35 30.37 30.30 30.22 10 10 10 10 4 15 0.00  
19 75 62 48 57 52 48 96 70 43 30.21 30.15 30.10 10 10 10 12 4 15 0.00  
20 77 65 52 61 56 52 93 70 47 30.12 30.07 30.00 10 10 9 15 5 18 0.00  
21 79 66 52 68 62 52 93 74 54 30.01 29.82 29.70 10 7 2 21 8 24 1.44 Rain
22 72 61 50 62 52 45 97 69 41 29.95 29.82 29.71 10 10 10 21 8 25 0.02 Rain
23 68 58 47 46 44 40 86 64 42 30.08 30.04 29.96 10 10 10 17 8 23 0.00  
24 72 58 44 50 45 40 86 63 40 30.11 30.03 29.94 10 10 10 13 6 25 0.00  
25 76 61 46 52 47 44 93 63 33 29.99 29.95 29.90 10 10 10 8 3 13 0.00  
26 75 62 49 56 51 47 93 66 38 30.10 30.02 29.95 10 10 10 9 4 16 0.00  
27 73 66 58 57 54 50 90 67 44 30.27 30.20 30.11 10 10 10 12 4 15 0.00  
28 74 63 52 55 51 48 93 67 41 30.33 30.28 30.24 10 10 10 15 6 18 0.00  
29 74 62 50 56 52 48 93 70 46 30.22 30.16 30.09 10 10 10 13 5 17 0.00  
30 73 60 47 54 50 46 100 72 44 30.10 30.06 30.01 10 10 10 9 4 16 0.00