Weather History for Renton, WA

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 32 °C 21 °C 14 °C
Mean Temperature 23 °C 17 °C 11 °C
Min Temperature 17 °C 14 °C 6 °C
Degree Days  
Heating Degree Days (base 65) 12 4 0 108
Cooling Degree Days (base 65) 9 1 0 39
Growing Degree Days (base 50) 24 13 2 377
Dew Point  
Dew Point 17 °C 11 °C -4 °C
Precipitation  
Precipitation 41.4 mm 5.0 mm 0.0 mm 149.35 mm
Snowdepth - - - -
Wind  
Wind 24 km/h 6 km/h 0 km/h
Gust Wind 45 km/h 29 km/h 26 km/h
Sea Level Pressure  
Sea Level Pressure 1021 hPa 1012 hPa 988 hPa

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 27, 2013 Rise Set
Actual Time 7:02 AM PDT 6:55 PM PDT
Civil Twilight 6:32 AM PDT 7:26 PM PDT
Nautical Twilight 5:56 AM PDT 8:01 PM PDT
Astronomical Twilight 5:19 AM PDT 8:38 PM PDT
Moon No Moon Rise 2:59 PM PDT (9/27)
Length of Visible Light 12h 53m
Length of Day
11h 52m
Last Quarter, 44% of the Moon is Illuminated
Sep 27
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 149.35 Average Month Total: 2.1
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Scattered Clouds
Actual:
28 | 16 0.00
Average:
22 | 12 0.08
Scattered Clouds
Actual:
28 | 16 0.00
Average:
22 | 12 0.08
Thunderstorm
Actual:
23 | 17 4.06
Average:
22 | 12 0.08
Rain
Actual:
21 | 16 0.51
Average:
22 | 12 0.08
Thunderstorm
Actual:
20 | 17 15.49
Average:
22 | 12 0.08
Thunderstorm
Actual:
22 | 16 27.94
Average:
22 | 12 0.08
Rain
Actual:
23 | 16 0.00
Average:
22 | 12 0.08
Partly Cloudy
Actual:
26 | 14 0.00
Average:
22 | 12 0.08
Partly Cloudy
Actual:
25 | 16 0.00
Average:
22 | 12 0.08
Partly Cloudy
Actual:
26 | 15 0.00
Average:
21 | 12 0.08
Clear
Actual:
32 | 15 0.00
Average:
21 | 11 0.08
Partly Cloudy
Actual:
26 | 16 0.00
Average:
21 | 11 0.08
Mostly Cloudy
Actual:
19 | 16 0.00
Average:
21 | 11 0.08
Partly Cloudy
Actual:
21 | 16 0.00
Average:
21 | 11 0.08
Rain
Actual:
19 | 16 1.78
Average:
21 | 11 0.08
Rain
Actual:
21 | 16 0.00
Average:
21 | 11 0.08
Overcast
Actual:
18 | 14 0.00
Average:
21 | 11 0.08
Partly Cloudy
Actual:
21 | 13 0.00
Average:
21 | 10 0.08
Clear
Actual:
25 | 9 0.00
Average:
21 | 10 0.05
Rain
Actual:
24 | 11 1.78
Average:
20 | 10 0.05
Partly Cloudy
Actual:
21 | 13 0.00
Average:
20 | 10 0.05
Rain
Actual:
17 | 13 9.91
Average:
20 | 10 0.05
Rain
Actual:
16 | 11 5.08
Average:
20 | 9 0.05
Rain
Actual:
18 | 9 0.00
Average:
19 | 9 0.05
Rain
Actual:
15 | 9 2.54
Average:
19 | 9 0.05
Partly Cloudy
Actual:
17 | 6 0.00
Average:
19 | 9 0.05
Rain
Actual:
14 | 10 1.52
Average:
19 | 9 0.05
Rain
Actual:
17 | 12 41.40
Average:
19 | 9 0.08
Rain
Actual:
14 | 12 17.53
Average:
19 | 9 0.08
Rain
Actual:
14 | 9 19.81
Average:
18 | 9 0.08
 

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. (°C) Dew Point (°C) Humidity (%) Sea Level Press. (hPa) Visibility (km) Wind (km/h) Precip. (mm) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 28 22 16 15 14 12 90 66 39 1013 1011 1009 16 16 13 14 5 - 0.00  
2 28 22 16 14 13 12 87 62 41 1014 1012 1012 16 16 14 10 3 - 0.00  
3 23 20 17 17 16 14 100 86 57 1017 1015 1014 16 15 5 11 3 - 4.06 Rain , Thunderstorm
4 21 18 16 17 16 14 94 83 70 1018 1017 1016 16 15 8 16 5 - 0.51 Rain
5 20 18 17 16 13 6 94 76 48 1017 1016 1014 16 13 3 19 5 - 15.49 Rain , Thunderstorm
6 22 18 16 16 9 7 90 61 39 1021 1016 1014 16 10 2 19 5 - 27.94 Rain , Thunderstorm
7 23 19 16 16 16 15 97 83 61 1020 1019 1017 16 16 16 13 3 - 0.00 Rain
8 26 19 14 17 16 13 96 82 56 1020 1019 1017 16 16 10 14 3 - 0.00  
9 25 20 16 17 15 14 96 82 56 1019 1017 1015 16 13 5 14 3 - 0.00  
10 26 20 15 17 16 14 96 82 58 1016 1015 1012 16 14 1 21 11 - 0.00  
11 32 23 15 17 16 14 93 68 35 1014 1013 1011 16 16 8 19 10 - 0.00  
12 26 21 16 17 16 15 96 80 52 1016 1015 1013 16 14 8 11 5 - 0.00  
13 19 17 16 16 16 15 100 88 78 1015 1014 1012 16 12 4 10 5 - 0.00  
14 21 18 16 16 16 15 97 85 78 1012 1010 1007 16 13 8 11 2 - 0.00  
15 19 17 16 17 16 15 100 92 79 1010 1008 1006 16 12 2 16 3 - 1.78 Rain
16 21 18 16 16 14 11 93 80 57 1014 1013 1010 16 16 6 14 8 - 0.00 Rain
17 18 16 14 12 11 9 87 71 63 1014 1013 1012 16 16 16 10 3 - 0.00  
18 21 17 13 12 11 9 89 76 49 1019 1017 1014 16 16 16 14 5 - 0.00  
19 25 17 9 12 11 8 96 72 43 1018 1013 1008 16 16 16 13 3 - 0.00  
20 24 17 11 12 10 8 90 68 42 1008 1005 1003 16 15 6 19 8 27 1.78 Rain
21 21 17 13 12 9 7 78 65 42 1007 1006 1004 16 16 14 11 3 - 0.00  
22 17 14 13 13 9 -4 94 73 28 1008 1005 1002 16 14 3 23 10 35 9.91 Rain
23 16 14 11 11 1 -4 90 44 26 1015 1012 1008 16 14 4 21 10 26 5.08 Rain
24 18 13 9 9 0 -4 88 47 26 1015 1013 1011 16 16 16 14 3 - 0.00 Rain
25 15 12 9 7 6 4 86 69 51 1018 1014 1011 16 15 5 16 5 - 2.54 Rain
26 17 11 6 9 7 4 87 78 54 1021 1020 1017 16 13 2 11 5 - 0.00  
27 14 12 10 9 6 -3 89 69 33 1021 1016 1012 16 14 4 19 8 27 1.52 Rain
28 17 14 12 2 -1 -3 44 38 35 1011 1001 995 16 10 2 19 8 29 41.40 Rain
29 14 12 12 11 2 -2 88 53 37 1002 998 988 16 13 3 23 13 42 17.53 Rain
30 14 11 9 11 9 6 92 84 77 1014 1007 999 16 12 2 24 13 45 19.81 Rain