Hilton Head Island in september: average Weather, Temperature and Climate
Weather in Hilton Head Island in september 2025
The weather in Hilton Head Island in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 7
Weather at 6am
76°F
Clear/Sunny
40% of time
25%
18%
12%
Weather at 12pm
85°F
Clear/Sunny
42% of time
25%
17%
13%
Weather at 6pm
79°F
Clear/Sunny
43% of time
24%
21%
9%
Weather at 3am
76°F
41%
29%
18%
9%
Evolution of daily average temperature and precipitation in Hilton Head Island in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Hilton Head Island in september.
The climate of Hilton Head Island in september is good
In september in Hilton Head Island, the climate is wet (with 8in of rainfall over 11 days). The weather is better from the previous month since in august it receives an average of 12in of precipitation over 19 days.
The climate quite good around this city the month of september. The thermometer averaged maximum of 85°F. The minimum is 76°F. Thus, the mean temperature average on this month of september in Hilton Head Island is 81°F. Note that seasonal normals in contrast with those observed in Hilton Head Island in the month of september with a maximum record of 94°F in 2017 and a minimum record of 61°F in 2009. You can expect to have about 13 days with temperatures up to 86°F, or 43 of time.
On this month of september, day length in Hilton Head Island is generally 12:21. Sunrise is at 06:07 and sets at 18:28.
With a good climate, this month is a good month to go there.
Seasonal average climate and temperature of Hilton Head Island in september
Check below seasonal norms These statistics are set from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 81°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 76°F | ||||
| Highest record temperature | 94°F (2017) | ||||
| Lowest record temperature | 61°F (2009) | ||||
| Number of days at +86°F | 13 day(s) (43%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 82°F | ||||
| Lowest sea temperature | 80°F | ||||
| Highest sea temperature | 85°F | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | 76°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 8in | ||||
| Number of days with rainfall | 11 day(s) (37%) | ||||
| Record daily rainfall | 6in (2019) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.44km | ||||
| Cloud cover | 29% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:07 | ||||
| Time of sunset | 18:28 | ||||
| Length of day | 12:21 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Hilton Head Island in september 2024:
76°F to 92°F
76°F to 90°F
74°F to 79°F
70°F to 83°F
74°F to 83°F
70°F to 76°F
70°F to 72°F
68°F to 70°F
70°F to 74°F
67°F to 85°F
70°F to 83°F
74°F to 76°F
76°F to 86°F
72°F to 79°F
72°F to 83°F
70°F to 77°F
67°F to 86°F
76°F to 86°F
74°F to 88°F
74°F to 85°F
70°F to 88°F
72°F to 88°F
76°F to 90°F
76°F to 90°F
77°F to 85°F
79°F to 83°F
81°F to 88°F
76°F to 86°F
79°F to 88°F
77°F to 88°F
Map: other cities in the United States (USA) in september
Cities near Hilton Head Island:
| Tybee Island (Georgia) in september | good weather |
| Savannah in september | good weather |
| Edisto Beach in september | good weather |
| Charleston in september | good weather |
| South Carolina in september | good weather |
| Myrtle Beach in september | good weather |
| Carolina Beach in september | good weather |
| Atlanta in september | good weather |
| North Carolina in september | good weather |
| Lake Martin (Alabama) in september | good weather |
| Virginia in september | good weather |
| Nags Head in september | good weather |
Click over cities on the map for information about the weather in september.
Hilton Head Island
perfect weather
good
tolerable
bad
very bad
Weather data for Hilton Head Island in september:
Weather data for Hilton Head Island for september are derived from an average of the weather forecast since 2009 in Hilton Head Island. There is a margin of error and these forecasts are to be considered as general information only. The weather in Hilton Head Island can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Hilton Head Island.