World Resorts USA Sanibel Island Weather

Sanibel Island weather in September

Weather in Sanibel Island: September

Average day temperature: 86.6°F
Average night temperature: 79.1°F
Sea water temperature: 86.4°F
Number of sunny days: 4 days
Day length: 11.9 - 12.7 hours
Number of rainy days: 4 days
Precipitation totals: 2.3 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 91°F. At the same time the lowest night temperature was 78°F. Day and night temperature averages during September were 86.7°F and 82.6°F.

Sea water temperature in Sanibel Island in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 87.0°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Sanibel Island in September is 2.3 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 7.7 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.3.

Best time for vacation in Sanibel Island

Sunniest months:
March 20 days
April 18 days
February 17 days
Warmest months:
July 88.1 °F
August 88.0 °F
September 86.6 °F
Warmest sea temp:
August 87.4 °F
July 87.3 °F
September 86.4 °F
Coldest months:
January 70.2 °F
December 71.9 °F
February 73.9 °F
Rainiest months:
June 7 days
July 6 days
August 5 days
Windiest months:
November 10.1 mph
October 10.1 mph
April 10.1 mph

Sanibel Island on a weather map

Sanibel Island
+75°F
NW 14 mph
Feels like: +79°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+57°F
+73°F
+73°F
+48°F
+54°F
+75°F
+68°F
+50°F
+57°F
+52°F
+73°F
+73°F
+68°F
+55°F
24 Hours Forecast
Sanibel Island
Local time: 00:42
November 19, tuesday
0300
73°F
NW
16 mph
0600
72°F
NW
12 mph
0900
72°F
NW
11 mph
1200
77°F
N
16 mph
1500
77°F
N
14 mph
1800
77°F
NW
13 mph
2100
75°F
N
14 mph
November 20, wednesday
0000
75°F
N
17 mph
Units of measurement: °C / °F