Typical Weather in Phoenix, AZ in September
100° F Avg High
75° F Avg Low
2 Rainy Days
☀️ Temperature Summary
September is a popular time to visit, with an inviting climate featuring warm temperatures. September is one of the warmer months of the year for Phoenix, with highs averaging around 100°F. You can expect overnight lows near 75°F most days. Daily high temperatures can range between 102°F and 95°F for the month of September.
Be ready to seek shade during the day, as mid-day temperatures can be dangerous if you're caught without a way to cool off.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 5% chance of rain for any given day in September. It's one of the drier months of the year for Phoenix, with total rainfall for the month around 1 inches.
Rainfall Throughout the Year
Planning a trip to Phoenix? Try our free trip weather planner