Weather in San Tan Valley in September
San Tan Valley, United States averages a high of 36.1°C (97°F) and low of 23.1°C (73.6°F) in September, with 3 rain days and 11.6 hours of daily sunshine. Travel score: 90.8/100 (Excellent). The best time to visit San Tan Valley is May.
High
36°C97°F
Low
23°C74°F
🌧️
3
rain days
☀️
11.6
hrs/day sunshine
💧
34%
humidity
91— Excellent
September in San Tan Valley is very hot and mostly dry — excellent conditions for exploring.
What are the average temperatures in San Tan Valley?
How much does it rain in San Tan Valley in September?
San Tan Valley receives an average of 26.8mm of rainfall across 3 rainy days in September. The annual total is 242.7mm.
What should I pack for San Tan Valley in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 36°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 13°C from day to night
🎉Visiting United States in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31