Phoenix in September
Good time to visit
Heat starts backing off but remains punishing. You can sense autumn coming but it's not here yet. Prices stay low as most visitors wait for October.
Weather
September offers the first hints of relief with highs dropping to 41°C. Nights cool slightly to 25°C. Monsoon season winds down, reducing humidity but heat remains intense.
41°C high25°C low3 rain days
Crowds & Cost
low crowds
~$95/day average
Events & Festivals
- •Arizona State Fair begins late September
September Tips
- •Still too hot for most outdoor activities
- •Hotel rates remain low but start creeping up
- •Early morning becomes tolerable again for brief periods
All Months
October through April is prime time. Daytime temperatures hover in the 70s-80s, perfect for hiking and outdoor dining. Hotel rates peak during these months, especially around spring training (February-March) and major golf tournaments.
Winter (December-February) brings the snowbird invasion. Expect crowds at popular hiking trails like Camelback Mountain and higher prices for everything. But the weather is genuinely perfect – clear skies and comfortable temperatures daily.
Shoulder seasons (October-November and April) offer the best balance of good weather and reasonable prices. Pool weather extends well into October, and April mornings are ideal for outdoor activities before afternoon heat kicks in.
Summer (May-September) is brutal but budget-friendly. Temperatures regularly exceed 110°F, making outdoor activities dangerous during midday. Many locals become nocturnal, hiking at 5 AM and retreating to air conditioning by 10 AM. Resort rates drop 50%+ if you can handle the heat.
Phoenix Scores
Solo
6/10
Couples
7/10
Families
8/10
Adventure
8/10
Budget
6/10
Luxury
8/10
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