Weather History for KBOS - September, 2013

Change the Weather History Date:

Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 97 °F 73 °F 60 °F
Mean Temperature 83 °F 65 °F 52 °F
Min Temperature 70 °F 56 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 13 3 0 83
Cooling Degree Days (base 65) 18 3 0 83
Growing Degree Days (base 50) 32 15 2 448
Dew Point  
Dew Point 74 °F 52 °F 33 °F
Precipitation  
Precipitation 0.57 in 0.09 in 0.00 in 2.21 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 26 mph 9 mph 0 mph
Gust Wind 33 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.42 in 30.00 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 24, 2013 Rise Set
Actual Time 6:33 AM EDT 6:37 PM EDT
Civil Twilight 6:05 AM EDT 7:05 PM EDT
Nautical Twilight 5:32 AM EDT 7:38 PM EDT
Astronomical Twilight 4:59 AM EDT 8:11 PM EDT
Moon 9:46 PM EDT (9/24) 11:51 AM EDT (9/24)
Length of Visible Light 12h 59m
Length of Day
12h 03m
Waning Gibbous, 73% of the Moon is Illuminated
Sep 24
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

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 79 75 70 73 69 66 93 86 79 29.88 29.85 29.79 10 8 2 21 9 28 0.38 Rain , Thunderstorm
2 81 75 69 73 70 66 100 87 74 29.87 29.80 29.72 10 7 1 20 7 24 0.38 Rain
3 81 75 69 70 66 56 97 80 62 29.81 29.74 29.69 10 9 5 13 7 17 0.00  
4 82 73 63 56 54 52 78 57 36 29.92 29.86 29.80 10 10 10 18 11 25 0.00  
5 70 64 57 61 55 42 78 68 57 30.14 29.98 29.86 10 10 10 17 9 24 0.09 Rain
6 71 62 52 44 40 35 64 46 28 30.24 30.17 30.09 10 10 10 16 9 21 0.00  
7 81 68 54 54 47 42 66 49 32 30.09 29.97 29.86 10 10 10 18 11 23 T  
8 78 67 56 58 50 37 73 51 29 30.09 29.85 29.75 10 10 10 26 13 33 T  
9 71 62 52 49 42 38 64 48 31 30.23 30.17 30.10 10 10 10 18 9 24 0.00  
10 77 68 59 68 61 49 90 77 64 30.16 30.09 30.03 10 10 4 17 11 22 0.03 Rain
11 97 83 68 74 69 63 97 66 35 30.07 30.02 29.94 10 8 4 20 10 28 0.00  
12 88 78 67 71 68 66 93 75 57 29.95 29.80 29.68 10 8 2 23 12 29 0.57 Rain , Thunderstorm
13 76 69 61 67 63 53 100 85 69 29.75 29.64 29.57 10 8 2 17 7 23 0.39 Rain
14 68 63 57 52 51 48 75 64 52 30.06 29.90 29.76 10 10 10 16 10 22 T  
15 73 64 54 50 47 41 83 60 37 30.16 30.10 30.06 10 10 10 16 9 22 0.00  
16 70 60 50 50 47 36 69 57 45 30.25 30.07 30.02 10 10 10 21 10 30 T Rain
17 60 52 44 42 37 33 70 55 40 30.42 30.35 30.28 10 10 10 20 8 23 0.00  
18 75 63 51 48 42 38 71 49 27 30.32 30.23 30.14 10 10 10 14 8 22 0.00  
19 71 63 54 54 50 46 78 63 47 30.14 30.09 30.04 10 10 10 9 5 29 0.00  
20 71 63 55 58 54 51 87 72 57 30.09 30.05 30.01 10 10 9 12 5 14 0.00  
21 77 67 57 63 59 54 97 76 54 30.04 29.93 29.74 10 9 0 26 13 32 T  
22 73 64 55 66 56 43 87 64 40 29.83 29.69 29.62 10 10 6 25 13 31 0.37 Rain
23 65 58 50 41 39 37 68 54 40 30.00 29.91 29.83 10 10 10 21 13 25 0.00  
24 68 58 47 45 40 37 71 52 32 29.99 29.91 29.82 10 10 10 17 10 23 0.00  
25 63 58 52 47 44 42 67 60 52 29.99 29.92 29.89 10 10 10 14 8 17 0.00  
26 63 59 55 49 47 44 72 64 55 30.13 30.05 30.00 10 10 10 15 7 22 0.00  
27 66 62 57 52 49 46 77 67 56 30.26 30.21 30.14 10 10 10 17 8 20 0.00  
28 69 62 55 56 53 49 93 78 63 30.33 30.29 30.25 10 10 8 14 6 16 0.00  
29 62 57 51 54 52 48 100 84 67 30.27 30.20 30.13 10 6 0 10 4 14 0.00 Fog , Rain
30 65 58 51 55 51 48 96 76 56 30.13 30.07 29.98 10 7 0 12 4 14 0.00 Fog