Weather in Saint Croix in September
Saint Croix, U.S. Virgin Islands averages a high of 28.5°C (83.3°F) and low of 26.3°C (79.3°F) in September, with 18 rain days and 10.9 hours of daily sunshine. Travel score: 67.8/100 (Good). The best time to visit Saint Croix is March.
High
29°C83°F
Low
26°C79°F
🌧️
18
rain days
☀️
10.9
hrs/day sunshine
💧
80%
humidity
68— Good
September in Saint Croix is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Saint Croix?
How much does it rain in Saint Croix in September?
Saint Croix receives an average of 140.4mm of rainfall across 18 rainy days in September. The annual total is 904.6mm.
What should I pack for Saint Croix in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧥
Waterproof jacket
Frequent rain expected (18 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to U.S. Virgin Islands 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