September in Wilmington, NC: 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 | 70°F |
| Rainy days | 17 / mo |
| Avg peak wind | 11.6 mph |
Most golfers eyeing a September trip to Wilmington expect a pleasant early-autumn reprieve — cooler air, fewer storms, windows of calm. The reality is more complicated. At 82°F average high and a low that barely dips to 70°F, the heat is still very much present, and with 17 precipitation days September ranks as the fourth-wettest month of the year. That's a genuine surprise for players who assume summer's worst is behind them.
The silver lining is real, though. Crowds thin noticeably compared to peak summer, and the wind stays manageable at 11.6 mph — fourth-calmest on the annual calendar. The daily temperature swing is only 12°F, so morning rounds don't offer much of a cool-weather escape. Plan accordingly: early tee times are about beating heat and afternoon storm cells, not savoring crisp fall air. That shift comes in October.
Book the earliest available tee time — 6 or 7 AM — since afternoon convective storms are frequent even as the calendar turns to September; the data show rain is likely on more than half the days this month. Midweek slots tend to open up as summer family traffic drops off, so that's your best leverage for flexibility without sacrificing a morning start. See how conditions rate hour by hour on our playability scale.
September sheds five precipitation days compared to August's 22, which sounds like a big improvement until you realize 17 rainy days still means rain is expected more than half the month. Temperatures cool only slightly — three degrees off August's 85°F high — so the relief golfers hope for largely arrives in October, when the average high drops another 7°F to 75°F and precipitation days fall to just 10. Wind stays nearly flat across all three months, ranging from 10.2 to 11.6 mph.
Climate normals show the long-term picture, but day-to-day weather varies. Check today's live golf weather score for Wilmington, NC for the current playability rating, hourly wind, temperature, and the recommended tee time window.
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It depends on your tolerance for heat and rain. The average high is 82°F and there are 17 precipitation days, making it the fourth-wettest month of the year — wetter than most visitors expect. Crowds are lighter than summer and winds are calm at 11.6 mph, but if you want genuinely comfortable fall conditions, October is a better bet.
The risk is real and worth monitoring. September is peak Atlantic hurricane season, and Wilmington's coastal position means even storms tracking offshore can deliver heavy rain bands that close or waterlog courses for a day or more. The 17-precipitation-day average already reflects this elevated storm frequency, so check the National Hurricane Center outlook when finalizing travel plans.