Weather History for Bellingham, WA

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 71 °F 62 °F
Mean Temperature 68 °F 60 °F 54 °F
Min Temperature 61 °F 51 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 10 5 0 142
Cooling Degree Days (base 65) 4 0 0 8
Growing Degree Days (base 50) 18 10 4 311
Dew Point  
Dew Point 62 °F 52 °F 39 °F
Precipitation  
Precipitation 0.25 in 0.02 in 0.00 in 0.62 in
Snowdepth - - - -
Wind  
Wind 29 mph 4 mph 0 mph
Gust Wind 48 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 30.03 in 29.53 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 15, 2011 Rise Set
Actual Time 6:46 AM PDT 7:23 PM PDT
Civil Twilight 6:14 AM PDT 7:54 PM PDT
Nautical Twilight 5:36 AM PDT 8:32 PM PDT
Astronomical Twilight 4:57 AM PDT 9:12 PM PDT
Moon 8:16 PM PDT (9/15) 10:23 AM PDT (9/15)
Length of Visible Light 13h 40m
Length of Day
12h 36m
Waning Gibbous, 90% of the Moon is Illuminated
Sep 15
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Weather History Calendar

Precipitation Actual month total 0.62 Average Month Total: 1.70
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
66 | 46 0.00
Average:
69 | 51 0.19
Partly Cloudy
Actual:
70 | 51 0.00
Average:
70 | 52 0.04
Clear
Actual:
77 | 44 0.00
Average:
69 | 52 0.04
Clear
Actual:
79 | 46 0.00
Average:
68 | 52 0.04
Clear
Actual:
70 | 51 0.00
Average:
68 | 51 0.10
Clear
Actual:
80 | 50 0.00
Average:
68 | 51 0.04
Fog
Actual:
81 | 46 0.00
Average:
68 | 49 0.04
Clear
Actual:
82 | 52 0.00
Average:
68 | 51 0.05
Fog
Actual:
79 | 51 0.00
Average:
68 | 50 0.02
Fog
Actual:
78 | 51 0.00
Average:
68 | 49 0.10
Fog
Actual:
78 | 51 0.00
Average:
66 | 49 0.06
Partly Cloudy
Actual:
66 | 55 0.00
Average:
67 | 48 0.01
Mostly Cloudy
Actual:
66 | 57 0.00
Average:
68 | 47 0.02
Overcast
Actual:
66 | 57 0.00
Average:
68 | 47 0.04
Rain
Actual:
62 | 55 0.00
Average:
66 | 47 0.02
Partly Cloudy
Actual:
62 | 48 0.00
Average:
66 | 48 0.04
Rain
Actual:
63 | 46 0.00
Average:
66 | 48 0.11
Rain
Actual:
64 | 55 0.08
Average:
66 | 48 0.06
Scattered Clouds
Actual:
66 | 50 0.00
Average:
65 | 47 0.05
Fog
Actual:
73 | 43 0.00
Average:
66 | 48 0.04
Rain
Actual:
73 | 52 0.01
Average:
66 | 47 0.04
Rain
Actual:
73 | 61 0.15
Average:
66 | 47 0.13
Partly Cloudy
Actual:
77 | 61 0.00
Average:
64 | 47 0.12
Fog
Actual:
75 | 55 0.01
Average:
63 | 45 0.06
Rain
Actual:
73 | 50 0.06
Average:
64 | 46 0.01
Rain
Actual:
62 | 48 0.25
Average:
64 | 47 0.05
Rain
Actual:
66 | 52 0.06
Average:
64 | 46 0.05
Clear
Actual:
66 | 45 0.00
Average:
63 | 46 0.07
Clear
Actual:
75 | 41 0.00
Average:
65 | 45 0.02
Scattered Clouds
Actual:
62 | 50 0.00
Average:
64 | 45 0.04
 

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

2011 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 66 55 46 54 50 45 94 81 60 30.19 30.15 30.12 10 8 2 14 4 18 0.00 Rain
2 70 60 51 53 50 47 94 73 45 30.29 30.23 30.14 10 10 10 7 3 - 0.00  
3 77 60 44 54 48 43 100 81 41 30.24 30.16 29.98 10 7 1 9 1 - 0.00  
4 79 62 46 55 50 45 94 75 33 29.98 29.93 29.87 10 8 2 6 1 - 0.00  
5 70 60 51 54 52 48 93 72 51 30.04 29.96 29.88 10 10 10 13 5 20 0.00  
6 80 64 50 55 52 47 96 69 32 30.17 30.13 30.06 10 10 10 10 3 - 0.00  
7 81 62 46 58 51 46 100 82 37 30.18 30.13 30.03 10 6 0 9 1 - 0.00 Fog
8 82 67 52 59 54 50 93 71 39 30.19 30.15 30.09 10 10 10 8 1 - 0.00  
9 79 64 51 60 54 48 100 80 48 30.24 30.18 30.06 10 8 0 7 1 - 0.00 Fog
10 78 64 51 61 55 50 100 83 52 30.08 30.01 29.88 10 6 0 8 1 - 0.00 Fog
11 78 64 51 59 55 50 100 82 48 29.91 29.88 29.82 10 7 0 8 1 - 0.00 Fog
12 66 60 55 57 56 54 93 78 68 30.10 30.05 29.92 10 10 10 16 9 30 0.00  
13 66 62 57 56 55 54 87 78 70 30.17 30.14 30.10 10 10 10 7 4 - 0.00  
14 66 62 57 55 54 53 94 78 64 30.10 30.02 29.94 10 10 10 9 3 - 0.00  
15 62 58 55 54 51 46 82 75 67 29.99 29.94 29.90 10 10 10 16 11 23 0.00 Rain
16 62 55 48 49 46 43 86 71 50 30.03 30.01 29.97 10 10 10 14 7 20 0.00  
17 63 54 46 53 50 44 94 81 65 30.05 30.02 29.98 10 10 7 17 4 25 0.00 Rain
18 64 60 55 57 55 50 94 84 73 30.12 30.06 30.00 10 9 5 14 6 24 0.08 Rain
19 66 57 50 54 50 46 100 84 54 30.26 30.19 30.11 10 8 2 8 1 - 0.00  
20 73 58 43 54 47 42 100 84 43 30.19 30.13 30.02 10 6 0 6 0 - 0.00 Fog
21 73 62 52 59 53 50 93 73 50 30.01 29.96 29.88 10 10 2 9 1 - 0.01 Rain
22 73 66 61 62 60 56 94 80 65 29.97 29.93 29.89 10 9 4 17 4 28 0.15 Rain
23 77 68 61 62 60 59 93 69 60 29.98 29.92 29.84 10 10 10 18 13 32 0.00  
24 75 64 55 62 56 54 100 87 60 29.89 29.78 29.56 10 5 0 6 1 - 0.01 Fog
25 73 61 50 58 50 44 89 65 46 29.98 29.74 29.53 10 10 9 29 16 48 0.06 Rain
26 62 55 48 55 51 46 90 79 67 29.96 29.83 29.73 10 10 6 25 10 46 0.25 Rain
27 66 58 52 55 49 44 90 72 50 30.29 30.08 29.87 10 10 7 12 7 18 0.06 Rain
28 66 56 45 50 47 43 93 77 47 30.44 30.32 30.14 10 10 4 9 3 - 0.00  
29 75 57 41 52 44 39 93 75 34 30.10 29.97 29.81 10 8 2 8 1 - 0.00  
30 62 56 50 52 49 46 94 78 60 29.98 29.90 29.84 10 10 10 10 4 - 0.00