Santa Rosa, CA

10:52 AM PST on December 15, 2019 (GMT -0800)
Sonoma County

Weather History for KSTS - September, 2019

Change the Weather History Date:

Month of September, 2019

  Max Avg Min Sum
Temperature  
Max Temperature 105 °F 85 °F 69 °F
Mean Temperature 81 °F 68 °F 52 °F
Min Temperature 57 °F 51 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 14 1 0 36
Cooling Degree Days (base 65) 16 4 0 127
Growing Degree Days (base 50) 30 18 2 525
Dew Point  
Dew Point 62 °F 51 °F 32 °F
Precipitation  
Precipitation 0.11 in 0.00 in 0.00 in 0.13 in
Snowdepth - - - -
Wind  
Wind 28 mph 5 mph 0 mph
Gust Wind 34 mph 21 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.09 in 29.91 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport or City:

Astronomy

Sep. 19, 2019 Rise Set
Actual Time 6:56 AM PDT 7:13 PM PDT
Civil Twilight 6:29 AM PDT 7:39 PM PDT
Nautical Twilight 5:58 AM PDT 8:10 PM PDT
Astronomical Twilight 5:26 AM PDT 8:42 PM PDT
Moon 10:29 PM PDT (9/19) 12:01 PM PDT (9/19)
Length of Visible Light 13h 09m
Length of Day
12h 16m
Waning Gibbous, 73% of the Moon is Illuminated
Sep 19
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

Daily Weather History & Observations

2019 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 96 75 53 60 56 53 100 64 28 29.93 29.88 29.83 10 10 10 15 3 18 0.00  
2 88 71 54 57 55 53 93 62 31 29.95 29.91 29.88 10 10 8 16 5 20 0.00  
3 90 71 52 58 55 51 100 65 30 30.01 29.95 29.86 10 5 0 14 4 17 0.00 Fog
4 90 70 49 56 53 48 100 66 31 29.90 29.87 29.80 10 8 1 13 5 16 0.00 Fog
5 82 69 55 57 56 55 100 71 42 30.02 29.95 29.89 10 8 2 14 5 16 0.00  
6 84 70 55 58 56 53 100 70 39 30.09 30.03 30.00 10 6 1 13 5 17 0.00  
7 79 67 54 58 55 53 100 74 48 30.04 29.99 29.90 10 5 0 21 5 28 0.00 Fog
8 86 69 51 55 52 49 100 66 31 29.98 29.95 29.89 10 10 10 18 6 24 0.00  
9 84 68 51 55 52 49 96 64 31 29.95 29.89 29.82 10 10 10 20 7 25 0.00  
10 85 66 47 54 50 46 93 60 27 29.93 29.86 29.82 10 10 9 17 5 24 0.00  
11 86 68 50 55 52 49 93 62 31 30.06 29.99 29.93 10 10 10 13 5 18 0.00  
12 96 74 52 53 50 46 96 58 19 30.04 29.98 29.93 10 10 10 14 4 18 0.00  
13 99 76 53 52 49 42 86 51 15 30.00 29.94 29.89 10 10 8 14 2 18 0.00  
14 93 72 51 55 51 47 100 61 21 29.94 29.89 29.83 10 10 8 14 4 17 0.00  
15 83 66 48 61 53 48 100 70 39 29.90 29.85 29.75 10 5 0 16 6 21 0.00 Fog
16 77 66 54 62 56 48 93 66 38 29.99 29.90 29.82 10 10 4 18 7 24 0.11 Rain
17 79 63 46 55 50 45 96 65 33 30.06 30.00 29.95 10 10 10 13 4 18 0.00  
18 75 65 55 61 57 51 100 75 49 29.97 29.92 29.89 10 8 2 17 6 25 0.02 Rain
19 81 64 46 53 49 45 100 65 30 29.96 29.92 29.88 10 10 10 15 3 19 0.00  
20 87 68 49 54 49 43 96 59 21 29.96 29.92 29.86 10 10 10 16 5 20 0.00  
21 91 70 49 53 48 41 89 54 19 29.96 29.90 29.84 10 10 10 17 5 23 0.00  
22 87 68 49 56 52 47 96 64 32 29.92 29.88 29.83 10 10 10 13 3 17 0.00  
23 94 72 50 56 49 32 100 56 12 29.97 29.93 29.89 10 10 8 15 4 20 0.00  
24 103 80 57 50 46 37 77 45 13 30.01 29.91 29.81 10 10 10 16 5 19 0.00  
25 105 81 56 59 53 49 77 48 18 29.81 29.74 29.67 10 10 10 16 4 19 0.00  
26 73 65 57 60 58 53 86 74 61 29.95 29.88 29.74 10 10 8 17 6 23 0.00  
27 69 62 54 59 55 51 93 78 63 29.93 29.85 29.76 10 10 8 14 7 18 0.00  
28 73 59 44 52 43 34 100 63 25 29.83 29.75 29.71 10 9 3 28 11 34 0.00 Fog , Rain
29 69 55 40 50 42 36 86 60 33 29.93 29.88 29.83 10 10 10 20 6 26 T Rain
30 69 52 37 46 41 35 100 82 31 30.00 29.95 29.90 10 7 0 13 2 17 0.00 Fog