Weather in Saint Joseph in September
Saint Joseph, United States averages a high of 25.7°C (78.3°F) and low of 16.1°C (61°F) in September, with 7 rain days and 10.4 hours of daily sunshine. Travel score: 87.9/100 (Excellent). The best time to visit Saint Joseph is September.
High
26°C78°F
Low
16°C61°F
🌧️
7
rain days
☀️
10.4
hrs/day sunshine
💧
67%
humidity
88— Excellent
September in Saint Joseph is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Saint Joseph?
How much does it rain in Saint Joseph in September?
Saint Joseph receives an average of 75.4mm of rainfall across 7 rainy days in September. The annual total is 942.9mm.
What should I pack for Saint Joseph in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 26°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to United States in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31