Wilmington Island in Fall
In fall (September, October and November), Wilmington Island sees average daytime highs around 75°F and overnight lows near 64°F, with 10.9 in of rain over about 28 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 84°F in early September to 64°F by late November. The sky is clear or mostly clear about 44% of the time across fall, and the air most often feels dry.
Fall is Wilmington Island's 2nd-best season to visit on our travel score. For the whole year in context, see Wilmington Island's year-round climate.
- Avg daytime high
- 75°F
- 2nd-warmest season
- Avg overnight low
- 64°F
- Rainfall
- 10.9 in
- 28 wet days
- Avg wind
- 9 mph
- Travel score
- 6.7
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Wilmington Island in Fall
Over the season highs ease from about 84°F in early September to 64°F by late November.
A typical fall day in Wilmington Island reaches about 75°F and drops to 64°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Wilmington Island
Once humidity and wind are folded in, fall brings about 2 days that feel above 90°F and 0 that feel at or below 32°F.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Wilmington Island weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 58° / 46° | 3.4 | 8.8 | 10.1 | 4.6 |
| Feb | 60° / 48° | 3.3 | 8.7 | 10.8 | 5.0 |
| Mar | 65° / 53° | 3.1 | 8.2 | 11.8 | 6.4 |
| Apr | 72° / 60° | 2.7 | 6.8 | 12.8 | 7.3 |
| May | 78° / 68° | 2.3 | 8.4 | 13.6 | 7.1 |
| Jun | 84° / 75° | 4.6 | 15.4 | 14.1 | 5.0 |
| Jul | 86° / 77° | 4.5 | 16.3 | 13.9 | 4.2 |
| Aug | 85° / 77° | 5.9 | 18.8 | 13.2 | 4.2 |
| Sep | 82° / 73° | 4.8 | 13.6 | 12.2 | 5.7 |
| Oct | 75° / 65° | 3.8 | 7.8 | 11.2 | 7.4 |
| Nov | 67° / 55° | 2.3 | 6.3 | 10.4 | 6.9 |
| Dec | 61° / 49° | 3.4 | 8.7 | 9.9 | 5.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 44% of the time across fall.
Chance of precipitation in Fall
Wilmington Island gets around 10.9 in of rain over 28 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 9 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early September to 10 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.1 kWh/m².
Hazard calendar for Wilmington Island
In fall, Wilmington Island overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Wilmington Island sits in the Atlantic hurricane belt; the season peaks August–October.
Is fall a good time to visit Wilmington Island?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Wilmington Island for sightseeing.
What to pack for Wilmington Island in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Wilmington Island sees daytime highs around 75°F and nights near 64°F. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.
Sea temperature near Wilmington Island in Fall
The nearest coast averages about 75°F across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 11 mi away) is warmest in August at about 84°F and coldest in February near 58°F.
It's comfortable for a long swim from Apr 22 to Nov 16 — about 6.9 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 59 | 58 | 61 | 67 | 74 | 80 | 83 | 84 | 82 | 76 | 68 | 62 |
| Comfort | Cool | Bracing | Cool | Cool | Refreshing | Warm | Tropical | Tropical | Warm | Warm | Refreshing | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 59 | Cool |
| Feb | 58 | Bracing |
| Mar | 61 | Cool |
| Apr | 67 | Cool |
| May | 74 | Refreshing |
| Jun | 80 | Warm |
| Jul | 83 | Tropical |
| Aug | 84 | Tropical |
| Sep | 82 | Warm |
| Oct | 76 | Warm |
| Nov | 68 | Refreshing |
| Dec | 62 | Cool |
UV index in Wilmington Island in Fall
Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Wilmington Island peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 5 | 7 | 7 | 9 | 10 | 10 | 9 | 8 | 6 | 5 | 3 |
| Level | Moderate | High | High | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 5 | High |
| Mar | 7 | High |
| Apr | 7 | High |
| May | 9 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Wilmington Island in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Wilmington Island is worst in March — around 25 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 12 | 25 | 14 | 14 | 15 | 17 | 15 | 11 | 8 | 8 | 7 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 12 | Moderate |
| Mar | 25 | Moderate |
| Apr | 14 | Moderate |
| May | 14 | Moderate |
| Jun | 15 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 11 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Wilmington Island?
Wilmington Island sits at 32.0°N, 81.0°W, 10 ft above sea level, in United States. The nearest listed city is Savannah, 9.3 mi away.
Topography around Wilmington Island
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Wilmington Island.
Within 2 miles, the terrain around Wilmington Island has only modest variations in elevation — a maximum elevation change of 118 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 131 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 289 ft.
The land around Wilmington Island is covered by wetland (41%) and trees (37%) within 2 miles, water (38%) and wetland (33%) within 10 miles, and trees (49%) and water (34%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Wilmington Island (32.0035°, -80.9737°, elevation 10 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.