Weather in Surprise in September
Surprise, United States averages a high of 36.8°C (98.2°F) and low of 23.8°C (74.8°F) in September, with 3 rain days and 11.6 hours of daily sunshine. Travel score: 88.9/100 (Excellent). The best time to visit Surprise is October.
High
37°C98°F
Low
24°C75°F
🌧️
3
rain days
☀️
11.6
hrs/day sunshine
💧
33%
humidity
89— Excellent
September in Surprise is very hot and dry — excellent conditions for exploring.
What are the average temperatures in Surprise?
How much does it rain in Surprise in September?
Surprise receives an average of 20.6mm of rainfall across 3 rainy days in September. The annual total is 217.3mm.
What should I pack for Surprise in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 37°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