Weather History for St. Catharines, ON

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 70 °F 55 °F
Mean Temperature 81 °F 62 °F 50 °F
Min Temperature 75 °F 54 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 14 5 0 157
Cooling Degree Days (base 65) 16 2 0 67
Growing Degree Days (base 50) 31 12 0 357
Dew Point  
Dew Point 75 °F 55 °F 36 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 22 mph 9 mph 0 mph
Gust Wind 30 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.48 in 30.03 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 11, 2013 Rise Set
Actual Time 6:52 AM EDT 7:33 PM EDT
Civil Twilight 6:23 AM EDT 8:02 PM EDT
Nautical Twilight 5:49 AM EDT 8:36 PM EDT
Astronomical Twilight 5:13 AM EDT 9:11 PM EDT
Moon 1:29 PM EDT (9/11) 11:17 PM EDT (9/11)
Length of Visible Light 13h 38m
Length of Day
12h 41m
Waxing Crescent, 38% of the Moon is Illuminated
Sep 11
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 3.00
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
80 | 68 0.00
Average:
75 | 59 0.09
Rain
Actual:
77 | 66 0.00
Average:
75 | 59 0.09
Rain
Actual:
69 | 59 0.00
Average:
74 | 59 0.09
Partly Cloudy
Actual:
80 | 57 0.00
Average:
74 | 58 0.10
Scattered Clouds
Actual:
66 | 53 0.00
Average:
74 | 58 0.10
Partly Cloudy
Actual:
71 | 46 0.00
Average:
74 | 58 0.10
Rain
Actual:
68 | 62 0.00
Average:
74 | 58 0.10
Scattered Clouds
Actual:
66 | 55 0.00
Average:
73 | 57 0.10
Partly Cloudy
Actual:
71 | 48 0.00
Average:
73 | 57 0.11
Partly Cloudy
Actual:
87 | 75 0.00
Average:
73 | 57 0.10
Rain
Actual:
87 | 73 0.00
Average:
72 | 56 0.10
Thunderstorm
Actual:
75 | 66 0.00
Average:
72 | 56 0.10
Rain
Actual:
55 | 51 0.00
Average:
72 | 55 0.10
Scattered Clouds
Actual:
64 | 46 0.00
Average:
71 | 55 0.10
Rain
Actual:
68 | 48 0.00
Average:
71 | 55 0.09
Rain
Actual:
57 | 44 0.00
Average:
70 | 54 0.08
Fog
Actual:
64 | 37 0.00
Average:
70 | 54 0.09
Scattered Clouds
Actual:
73 | 46 0.00
Average:
69 | 53 0.10
Scattered Clouds
Actual:
75 | 55 0.00
Average:
69 | 53 0.10
Partly Cloudy
Actual:
80 | 62 0.00
Average:
68 | 52 0.09
Rain
Actual:
62 | 55 0.00
Average:
68 | 52 0.10
Partly Cloudy
Actual:
55 | 50 0.00
Average:
67 | 52 0.12
Scattered Clouds
Actual:
59 | 46 0.00
Average:
67 | 51 0.11
Fog
Actual:
62 | 39 0.00
Average:
66 | 51 0.11
Fog
Actual:
66 | 44 0.00
Average:
66 | 50 0.11
Fog
Actual:
68 | 44 0.00
Average:
65 | 50 0.11
Scattered Clouds
Actual:
66 | 51 0.00
Average:
64 | 49 0.11
Fog
Actual:
71 | 48 0.00
Average:
64 | 49 0.10
Partly Cloudy
Actual:
75 | 55 0.00
Average:
63 | 48 0.10
Partly Cloudy
Actual:
71 | 62 0.00
Average:
63 | 48 0.10
 

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 80 74 68 72 70 68 100 85 74 29.83 29.78 29.75 15 11 7 12 6 - 0.00 Rain
2 77 72 66 73 67 55 100 82 64 29.79 29.72 29.71 15 10 3 18 8 25 0.00 Fog , Rain
3 69 64 59 59 57 55 88 75 68 29.93 29.87 29.83 15 15 15 16 13 22 0.00 Rain
4 80 68 57 63 59 54 88 65 45 30.00 29.97 29.94 15 15 15 18 11 25 0.00  
5 66 60 53 54 44 37 94 56 39 30.23 30.18 30.09 15 15 15 14 9 21 0.00  
6 71 58 46 52 48 41 94 60 37 30.29 30.22 30.12 15 15 15 14 7 21 0.00  
7 68 65 62 64 61 57 94 87 73 30.02 29.95 29.88 15 12 2 18 11 25 0.00 Rain
8 66 62 55 55 50 46 82 60 52 30.09 30.07 29.98 15 15 15 16 11 18 0.00  
9 71 60 48 63 56 46 94 73 60 30.12 30.05 29.97 15 15 15 9 6 - 0.00  
10 87 81 75 75 72 70 83 70 58 29.95 29.91 29.87 15 10 10 22 17 30 0.00  
11 87 81 73 72 70 64 83 68 58 30.01 29.96 29.88 12 10 8 22 14 30 0.00 Rain
12 75 72 66 70 65 55 94 83 64 29.85 29.80 29.75 15 12 8 15 9 23 0.00 Rain , Thunderstorm
13 55 53 51 50 46 41 82 75 62 30.05 29.96 29.87 15 14 12 17 13 24 0.00 Rain
14 64 55 46 50 42 37 77 59 37 30.15 30.12 30.08 15 15 15 13 8 - 0.00  
15 68 58 48 57 54 46 94 74 64 30.13 30.09 30.06 15 14 10 15 8 22 0.00 Rain
16 57 54 44 54 48 43 94 84 63 30.35 30.24 30.12 15 13 8 18 8 25 0.00 Rain
17 64 50 37 50 46 36 93 70 45 30.48 30.40 30.30 15 15 15 13 6 - 0.00 Fog
18 73 60 46 54 49 43 87 58 36 30.25 30.17 30.09 15 15 15 10 6 - 0.00  
19 75 65 55 63 60 54 94 76 57 30.12 30.06 30.01 15 15 10 13 9 - 0.00  
20 80 71 62 68 66 61 94 76 61 29.95 29.85 29.75 12 9 5 21 13 28 0.00  
21 62 60 55 63 58 52 100 94 82 29.72 29.66 29.62 15 7 2 18 7 28 0.00 Rain
22 55 52 50 46 43 39 87 70 62 30.04 29.95 29.85 15 15 15 13 10 21 0.00  
23 59 52 46 45 42 39 87 64 51 30.18 30.14 30.12 15 15 15 9 5 - 0.00  
24 62 50 39 50 46 36 100 70 37 30.17 30.09 30.03 15 15 12 8 4 - 0.00 Fog
25 66 55 44 55 50 45 100 76 49 30.03 29.99 29.96 15 14 10 8 4 - 0.00 Fog
26 68 56 44 55 52 45 100 72 56 30.13 30.10 30.05 15 14 6 10 5 - 0.00 Fog
27 66 58 51 57 54 52 100 78 68 30.27 30.25 30.22 15 15 15 13 7 20 0.00  
28 71 60 48 61 56 48 100 79 60 30.28 30.22 30.16 15 15 15 10 5 - 0.00 Fog
29 75 65 55 59 56 52 88 68 53 30.07 30.02 29.98 15 15 15 18 11 26 0.00  
30 71 66 62 63 61 57 88 82 69 29.99 29.97 29.94 15 15 15 15 10 21 0.00