September in Scottsdale, AZ: hot season for golf — play early; afternoons are oppressive. Best tee times: tee off before 8 AM to beat the heat.
| Average September Weather | |
|---|---|
| Avg daily high | 99°F |
| Avg daily low | 77°F |
| Rainy days | 5 / mo |
| Avg peak wind | 11.3 mph |
September changes how you should approach the tee sheet in Scottsdale. With a 99F average high and lows that only dip to 77F, the window for comfortable golf is narrow — but it exists, and the golfers who book strategically find it every time. The month sits in the hot season tier, and that badge is earned: this is still the third-hottest month of the year. However, average highs are down 5F from August's 104F peak, and the monsoon rain pattern that drove 7 precip days in August retreats to 5 here, so there is measurable, if modest, relief.
The daily temperature swing of 22F is the key number to build your tee time around. A 6 AM start puts you on the course near the low end of that range, finishing well before the afternoon heat reaches its ceiling. Wind averages 11.3 mph — moderate by Scottsdale's own standards — and is unlikely to complicate club selection early in the morning when air is densest and cooler.
Book the earliest available slot — ideally 6 AM — and plan to finish within four hours before the temperature climbs toward that 99F ceiling. Afternoon tee times remain genuinely risky this month, and same-week availability at prime morning slots often evaporates as local players who know the heat calendar compete for the same windows. See how conditions rate hour by hour on our playability scale.
September drops 5F from August's 104F average high and sheds two rainy days, making it a meaningful step toward playable conditions even if the heat season badge still applies. October is the real turning point — another 10F drop in average high to 89F and one fewer precip day — so golfers who can wait will find noticeably better conditions. If August forced you off the course by 8 AM, September at least extends that window slightly, though October is where strategy gives way to simple enjoyment.
Climate normals show the long-term picture, but day-to-day weather varies. Check today's live golf weather score for Scottsdale, AZ for the current playability rating, hourly wind, temperature, and the recommended tee time window.
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It depends entirely on when you tee off. The average high hits 99F, which makes midday and afternoon rounds genuinely hazardous, but early morning rounds starting at 6 AM catch temperatures near the 77F overnight low. Keep your round to four hours or fewer and you can play comfortably before conditions deteriorate.
Yes, though the monsoon pattern is winding down. September averages 5 precip days — down from 7 in August but still the third-wettest month of the year, tied with February and March. Afternoon thunderstorms can appear quickly, so watching the radar mid-round is a practical habit rather than an overreaction.