September in Hilton Head, SC: variable for golf — mixed conditions — check the live score. Best tee times: morning before noon for the most comfortable round.
| Average September Weather | |
|---|---|
| Avg daily high | 82°F |
| Avg daily low | 71°F |
| Rainy days | 18 / mo |
| Avg peak wind | 12.2 mph |
Ask who September in Hilton Head actually works for, and the answer depends on how much rain you're willing to absorb. With 18 precipitation days, this is the island's 4th-wettest month, and that reality shapes everything — from tee time selection to whether a traveling golfer with a fixed four-day window should book September at all. Highs averaging 82°F carry an 11-degree daily swing, so heat isn't the problem. Interruptions are.
The local regular, by contrast, knows exactly what September delivers: noticeably cooler mornings than August, peak winds that stay manageable at 12.2 mph, and the simple relief of fewer crowds as summer tourists clear out. For regulars who tolerate the wet pattern, the trade-off is worth it. Traveling golfers without schedule flexibility may find the unpredictability frustrating — this is a month that rewards familiarity with the island's rhythm.
With 18 rainy days spread across the month, afternoon tee times carry meaningful cancellation risk — book the first wave (6–8 AM) to stay ahead of convective storms that typically build after midday. On days when forecasts show a clear morning window, early slots will be contested, so reserve as far ahead as the forecast allows. See how conditions rate hour by hour on our playability scale.
September improves meaningfully on August's brutal rain load — dropping from 26 precipitation days to 18, a reduction of 8 days — while temperatures cool slightly from 86°F to 82°F. That said, October is the sharper step forward: precip days fall by another 10 to just 8, and the high drops a further 5°F to 77°F, landing squarely in ideal range. September sits in the middle, better than August for comfort and rain, but noticeably short of October's playability.
Climate normals show the long-term picture, but day-to-day weather varies. Check today's live golf weather score for Hilton Head, SC for the current playability rating, hourly wind, temperature, and the recommended tee time window.
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It depends on your tolerance for rain. At 18 precipitation days, September is the island's 4th-wettest month, so interrupted rounds are common — particularly in the afternoon. Temperatures at 82°F are warm but workable, and peak winds reaching 12.2 mph are relatively contained, so when the weather cooperates the conditions are solid.
September sits in the peak of Atlantic hurricane season, and while direct hits are rare, tropical activity regularly pushes heavy rain bands and gusty wind through the Lowcountry even from storms tracking well offshore. The 18 rainy days average already reflects this pattern. Travelers should build flexibility into their itinerary and check extended forecasts before finalizing a trip around a specific set of courses.