Saint Martin Island, Sint Maarten

5:53 AM AST on December 08, 2016 (GMT -0400)
Princess Juliana International

Weather History for TNCM - September, 2013

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 88 °F 84 °F
Mean Temperature 86 °F 84 °F 82 °F
Min Temperature 83 °F 81 °F 76 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 21 19 16 576
Growing Degree Days (base 50) 36 34 32 1030
Dew Point  
Dew Point 79 °F 75 °F 70 °F
Precipitation  
Precipitation 0.43 in 0.08 in 0.00 in 2.35 in
Snowdepth - - - -
Wind  
Wind 94 mph 9 mph 0 mph
Gust Wind 29 mph 23 mph 21 mph
Sea Level Pressure  
Sea Level Pressure 30.05 in 29.93 in 29.71 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 14, 2013 Rise Set
Actual Time 6:00 AM AST 6:15 PM AST
Civil Twilight 5:38 AM AST 6:37 PM AST
Nautical Twilight 5:12 AM AST 7:02 PM AST
Astronomical Twilight 4:47 AM AST 7:27 PM AST
Moon 2:21 PM AST (9/14) 1:01 AM AST (9/14)
Length of Visible Light 12h 58m
Length of Day
12h 15m
Waxing Gibbous, 72% of the Moon is Illuminated
Sep 14
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

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 90 86 82 77 75 73 79 69 54 29.98 29.94 29.89 16 8 6 17 13 - 0.00  
2 90 86 82 75 73 72 74 66 48 29.95 29.90 29.86 19 8 6 16 13 - 0.02 Rain
3 86 82 78 77 74 72 84 74 61 29.92 29.88 29.83 19 8 2 20 13 29 0.43 Rain
4 87 82 78 79 76 72 84 78 67 29.98 29.90 29.83 19 7 5 16 11 23 0.08 Rain , Thunderstorm
5 84 82 80 79 77 75 84 80 72 29.98 29.93 29.86 16 8 6 17 11 - 0.02 Rain , Thunderstorm
6 86 83 80 77 76 73 84 79 71 30.01 29.94 29.89 16 6 5 18 12 - 0.00 Rain , Thunderstorm
7 88 85 82 77 75 72 84 75 64 29.99 29.95 29.92 19 7 6 14 10 - 0.00  
8 86 84 82 77 77 75 84 75 34 29.99 29.95 29.92 19 9 6 15 11 - 0.00  
9 89 86 82 75 74 70 79 70 52 30.03 29.98 29.95 16 7 6 13 8 - 0.00  
10 89 85 81 75 73 72 74 67 52 30.05 29.99 29.95 19 7 6 15 11 - 0.20 Rain
11 90 84 78 77 74 70 89 72 52 30.01 29.95 29.89 6 6 5 15 11 - 0.24 Rain
12 90 85 80 77 74 70 89 70 49 29.89 29.83 29.80 19 8 5 16 11 - 0.04 Rain
13 89 84 79 75 73 70 79 68 44 29.85 29.78 29.71 19 7 6 14 9 - 0.01 Rain
14 88 84 80 77 75 73 84 71 58 29.97 29.88 29.80 6 6 6 9 7 - 0.00 Rain
15 88 85 82 78 77 75 84 75 65 30.03 29.98 29.92 19 7 6 10 7 - 0.16  
16 89 85 81 77 75 73 84 72 58 30.01 29.96 29.92 19 7 6 14 10 - 0.08 Rain
17 89 85 81 77 75 73 79 71 57 29.98 29.93 29.89 19 7 0 94 13 - 0.02  
18 87 84 81 77 76 75 79 75 65 29.98 29.92 29.89 16 7 6 14 9 - 0.02  
19 87 84 80 77 76 72 84 76 66 30.01 29.96 29.92 16 7 4 10 6 - 0.03 Rain
20 89 86 82 77 75 73 79 72 58 29.98 29.93 29.89 19 8 6 9 6 - 0.00  
21 90 86 82 76 75 73 79 70 55 29.94 29.89 29.83 16 7 6 6 2 - 0.00  
22 88 85 82 75 75 73 79 70 58 30.01 29.95 29.89 16 9 6 9 6 - 0.00  
23 89 84 80 77 76 74 84 74 62 30.04 30.00 29.95 19 7 1 12 9 22 0.16 Rain
24 89 86 82 75 74 72 74 68 50 30.04 29.98 29.92 19 8 6 90 11 - 0.39 Rain
25 87 82 76 75 74 72 84 73 61 29.98 29.94 29.89 19 7 2 34 8 24 0.39 Rain
26 86 83 80 76 74 73 79 70 61 29.96 29.92 29.86 19 7 6 14 7 - 0.00  
27 87 83 79 75 75 73 79 71 60 29.99 29.93 29.89 19 7 6 12 7 - 0.03 Rain
28 87 83 79 79 77 75 84 76 65 30.01 29.96 29.92 19 8 6 14 7 23 0.03 Rain
29 88 85 82 77 76 74 79 73 59 30.01 29.97 29.92 16 7 6 14 9 - 0.00 Rain
30 88 86 83 78 76 75 79 72 61 30.04 29.99 29.95 19 7 6 12 9 - 0.00