World Resorts USA Siesta Key Weather

Autumn weather in Siesta Key

Weather in Siesta Key in Autumn

September October November
Average day temperature: 86.1°F 82.1°F 76.4°F
Average night temperature: 78.8°F 73.4°F 68.2°F
Sea water temperature: 86.0°F 80.5°F 74.2°F
Number of sunny days: 5 days 13 days 13 days
Day length: 11.9 - 12.7 h. 11.1 - 11.9 h. 10.6 - 11.1 h.
Number of rainy days: 4 days 1 day 1 day
Precipitation totals: 2.6 in. 0.6 in. 0.6 in.

Day & Night air temperature, °F

September
October
November
0
14
28
42
56
70
84
98
112
76.4
82.1
86.1
68.2
73.4
78.8
Day temperature   
Night temperature

Sea water temperature, °F

September
October
November
0
14
28
42
56
70
84
98
112
74.2
80.5
86

Precipitation total, in.

September
October
November
0.0
0.4
0.9
1.3
1.8
2.2
2.7
3.1
0.6
0.6
2.6
Sunny, partly cloudy and cloudy days
September
October
November
0
5
10
15
20
25
30
35
6
5
8
11
13
17
13
13
5
Cloudy days   
Partly cloudy days   
Sunny days
Wind speed, mph
September
October
November
0.0
1.8
3.7
5.5
7.4
9.2
11.1
12.9
10.8
10.1
8.1
Average sunny hours
September
October
November
0
1
2
3
4
5
6
7
8
9
6.8
7.6
6.5

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Siesta Key

Sunniest months:
March 20 days
May 19 days
April 18 days
Warmest months:
July 88.0 °F
August 88.0 °F
June 86.2 °F
Warmest sea temp:
August 87.4 °F
July 87.1 °F
September 86.0 °F
Coldest months:
January 66.6 °F
December 70.1 °F
February 71.0 °F
Rainiest months:
June 6 days
July 4 days
September 4 days
Windiest months:
November 10.8 mph
January 10.4 mph
April 10.4 mph

Siesta Key on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+36°F
+50°F
+77°F
+77°F
+88°F
+72°F
+84°F
+41°F
+79°F
+68°F
+61°F
+72°F
+73°F
+79°F
+43°F
24 Hours Forecast
Siesta Key
Local time: 16:51
April 08, tuesday
1800
72°F
E
14 mph
2100
66°F
SE
11 mph
April 09, wednesday
0000
63°F
SE
6 mph
0300
63°F
S
11 mph
0600
63°F
SW
9 mph
0900
66°F
S
14 mph
1200
73°F
S
12 mph
1500
75°F
SE
13 mph
Units of measurement: °C / °F