In September, Phoenix averages a high of 100°F (38°C) and a low of 77°F (25°C). Most runs feel like about 89°F (32°C) once you factor in a typical morning or evening start, so dress for that number rather than the thermometer. Desert heat makes timing and hydration the priority for most of the Phoenix year.
100°F (38°C)
77°F (25°C)
Feels like 89°F (32°C)
Run at dawn or after sunset. September highs near 100°F (38°C) make midday runs hot and slow in Phoenix.
Singlet or Tank
Maximum breathability for hot conditions
Running Shorts
Lightweight with built-in brief
Sunglasses
UV protection
Sunscreen
SPF 30+ water-resistant
Running Shoes
Your regular training shoes
$28
$30
$85
$349
$17
$16
As an Amazon Associate, we earn from qualifying purchases. Some links may earn a commission at no extra cost to you.
In September, Phoenix runs feel like about 89°F (32°C). Wear a breathable singlet or light short-sleeve, running shorts, a cap, and sunglasses. Prioritize sunscreen and hydration.
September is on the warm side but very runnable early and late in Phoenix, with average highs near 100°F (38°C) and lows near 77°F (25°C).
Shorts are the standard in Phoenix in September. At feels-like 89°F (32°C) tights will leave you overheating.
Advertisement