World Resorts USA Sanibel Island Weather

Sanibel Island 7 Days Forecast

02.09
wed
Day
88°F
N 7 mph
Precip.
36%
Night
84°F
W 6 mph
Precip.
17%
03.09
thu
Day
88°F
NE 7 mph
Precip.
20%
Night
86°F
W 4 mph
Precip.
18%
04.09
fri
Day
88°F
N 8 mph
Precip.
39%
Night
86°F
W 4 mph
Precip.
26%
05.09
sat
Day
86°F
N 6 mph
Precip.
4%
Night
84°F
E 7 mph
Precip.
4%
06.09
sun
Day
86°F
NE 11 mph
Precip.
4%
Night
84°F
NE 5 mph
Precip.
7%
07.09
mon
Day
86°F
E 4 mph
Precip.
4%
Night
84°F
S 7 mph
Precip.
41%
08.09
tue
Day
88°F
N 6 mph
Precip.
22%
Night
86°F
S 5 mph
Precip.
17%

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 87.6°F and 83.8°F.

Air temperature in Sanibel Island, °F

Precipitation total in Sanibel Island, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Sanibel Island

Sunniest months:
March 19 days
April 18 days
December 17 days
Warmest months:
July 88.3 °F
August 88.3 °F
June 87.1 °F
Warmest sea temp:
August 87.7 °F
July 87.4 °F
September 86.2 °F
Coldest months:
January 69.1 °F
December 72.1 °F
February 72.6 °F
Rainiest months:
July 5 days
June 5 days
August 4 days
Windiest months:
October 10.5 mph
November 10.4 mph
January 10.3 mph

Sanibel Island on a weather map

Current weather
11:52
Sanibel Island
+88°F
N 7 mph
Feels like: +102°F
Precip.: 36%
Places in USA:
Name
°F
Boston
+72°F
Washington
+91°F
Hawaii
+77°F
Las Vegas
+84°F
Los Angeles
+70°F
Miami
+88°F
Maui
+63°F
Myrtle Beach
+91°F
New York
+73°F
San Diego
+73°F
San Francisco
+63°F
Santa Monica
+70°F
Sarasota
+84°F
Houston
+90°F
Chicago
+88°F
all places
24 Hours Forecast
Sanibel Island
Local time: 11:52
September 02, wednesday
1200
88°F
N
7 mph
1500
88°F
NE
9 mph
1800
86°F
E
7 mph
2100
84°F
SW
7 mph
September 03, thursday
0000
84°F
W
6 mph
0300
82°F
W
8 mph
0600
82°F
NW
6 mph
0900
84°F
N
6 mph
Units of measurement: °C / °F