Phoenix in September

Very hot, and mostly sunny skies.

Loading live weather...

Phoenix weather in September

Very hot, and mostly sunny skies. Average highs of 37°C and lows of 24°C, with around 4 rainy days expected throughout the month.

While September isn't our top-rated month for Phoenix, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high
37°C
Average low
24°C
Rainy days
4 days
Best months to visit
February, March, April, May, October, November

What to do in Phoenix in September

Whatever the weather, Phoenix rewards curious visitors. Here are some of the best ways to spend your time:

Explore Dine Culture Nature Shopping Day trips

What to pack for September

Light breathable clothing, high-SPF sunscreen, a wide-brimmed hat, and a reusable water bottle are essential. Pack sandals and at least one light layer for air-conditioned interiors.

Browse other months

January
19C
Mild and comfortable, and mostly sunny skies.
Recommended
February
21C
Mild and comfortable, and mostly sunny skies.
Recommended
March
25C
Warm and pleasant, and mostly sunny skies.
Recommended
April
31C
Hot and humid, and mostly sunny skies.
Recommended
May
34C
Hot and humid, and mostly sunny skies.
June
40C
Very hot, and mostly sunny skies.
July
41C
Very hot, with occasional showers.
August
40C
Very hot, with occasional showers.
September (you are here)
37C
Very hot, and mostly sunny skies.
Recommended
October
31C
Hot and humid, and mostly sunny skies.
Recommended
November
25C
Warm and pleasant, and mostly sunny skies.
December
19C
Mild and comfortable, and mostly sunny skies.

Book your September trip to Phoenix

Find hotels, tours and experiences for the perfect escape.

More dream destinations