Temperature
Warm by day, mild at night.
82°Ftypical September high
Typical range
September climate
September in Myrtle Beach
United States · North America
Warm days and some sun. Hurricane risk near peak is the main drawback.
Some tradeoffs
Daytime high
82°F
Lows around 69°F
Rain
Several rainy days
Sun
9.5 h/day
Air feel
Humid
Sea temp
82°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 13 wet days, more than in most months.
43%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
9.7 hSeptember sunshine
Heat & humidity by month
Warm days, with humid periods.
69%September Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 83° and nights feel near 73°.
Very coldColdCoolComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
45%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
7 mphSeptember Light breeze
Sea temperature
82°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 81°F, easing to about 77°F in early evening.
Avg temp Typical range
Morning74°F
Feels 76°F
Rain20%
Cloud55%
Humid airHigh
Sun intensityLow
Best windowMidday80°F
Feels 82°F
Rain28%
Cloud56%
Humid airHigh
Sun intensityStrong
Late afternoon81°F
Feels 83°F
Rain31%
Cloud58%
Humid airHigh
Sun intensityModerate
Early evening76°F
Feels 80°F
Rain18%
Cloud56%
Humid airHigh
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 57 | 41 | 3.1 | 9 | 7.3 | 70 | 69 |
| Feb | 60 | 44 | 3.4 | 8 | 8.0 | 70 | 67 |
| Mar | 66 | 49 | 3.7 | 9 | 9.0 | 69 | 68 |
| Apr | 73 | 57 | 3.1 | 8 | 10.7 | 70 | 71 |
| May | 79 | 65 | 3.6 | 11 | 11.7 | 75 | 75 |
| Jun | 85 | 72 | 4.8 | 15 | 11.8 | 78 | 80 |
| Jul | 87 | 75 | 6.7 | 19 | 11.5 | 81 | 83 |
| Aug | 86 | 74 | 7.2 | 19 | 10.8 | 82 | 83 |
| Sep | 82 | 69 | 6.3 | 13 | 9.7 | 80 | 82 |
| Oct | 74 | 59 | 3.4 | 7 | 8.9 | 76 | 78 |
| Nov | 66 | 50 | 2.9 | 7 | 8.3 | 73 | 74 |
| Dec | 60 | 44 | 3.6 | 9 | 7.2 | 74 | 71 |
Similar climates
Similar
Similar travel styleVirginia BeachUnited StatesSimilar travel styleBuziosBrazilSimilar travel styleFreeportBahamasSimilar travel styleMiamiUnited States
Want a side-by-side climate view? Compare Myrtle Beach with Virginia Beach.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology