World Resorts USA Kiawah Island Weather

Kiawah Island weather in September

Weather in Kiawah Island: September

Average day temperature: 82.5°F
Average night temperature: 72.7°F
Sea water temperature: 81.4°F
Number of sunny days: 11 days
Day length: 11.9 - 12.8 hours
Number of rainy days: 3 days
Precipitation totals: 1.5 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 86°F. At the same time the lowest night temperature was 67°F. Daily and nightly averages during September were 81.0°F and 75.3°F.

Sea water temperature in Kiawah Island in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
71
74
77
80
83
86
89
92

The average sea water temperature in September of 2024 was 79.6°F. The highest and lowest sea temperatures during the month were 85.3°F and 75.6°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
38%
34%
28%

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.5
0.9
1.4
1.8
2.3
2.7
3.2
1.0
2.6
2.6
2.0
1.3
1.5
1.1
1.1
1.0
1.5
2.6
2.6
2.0
1.3
1.5
1.1
1.1

Precipitation total value in Kiawah Island in September is 1.5 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.0
7.5
9.0
10.4
11.9
8.4
7.5
6.9
6.6
6.7
7.4
7.5
8.1
8.7
8.3
8.4
8.4
7.5
6.9
7.2
6.6
6.7
7.4
7.5
8.1
8.7
8.3
8.4

The average wind speed value in September is 7.2 mph It makes September one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.0
7.5
9.0
10.5
5.5
6.2
7.8
6.9
7.3
8.1
8.5
8.8
7.2
5.8
6.1
5.5
6.2
7.8
7.5
6.9
7.3
8.1
8.5
8.8
7.2
5.8
6.1

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: 7.5.

Best time for vacation in Kiawah Island

Sunniest months:
April 17 days
October 15 days
January 13 days
Warmest months:
July 87.3 °F
August 86.1 °F
June 84.2 °F
Warmest sea temp:
August 84.5 °F
July 84.3 °F
September 81.4 °F
Coldest months:
January 56.1 °F
December 59.5 °F
February 60.6 °F
Rainiest months:
July 6 days
August 5 days
June 4 days
Windiest months:
March 8.7 mph
December 8.4 mph
January 8.4 mph

Kiawah Island on a weather map

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Places in USA:
Name
°F
+41°F
+46°F
+73°F
+73°F
+55°F
+54°F
+75°F
+45°F
+70°F
+57°F
+52°F
+68°F
+70°F
+72°F
+46°F
24 Hours Forecast
Kiawah Island
Local time: 10:32
April 17, thursday
1200
73°F
NW
6 mph
1500
75°F
N
11 mph
1800
73°F
N
9 mph
2100
66°F
N
7 mph
April 18, friday
0000
64°F
NW
7 mph
0300
64°F
N
8 mph
0600
64°F
NW
7 mph
0900
68°F
NW
9 mph
Units of measurement: °C / °F