Weather in Hayward in September
Hayward, United States averages a high of 25.5°C (77.9°F) and low of 14.3°C (57.7°F) in September, with 1 rain days and 11.6 hours of daily sunshine. Travel score: 95.9/100 (Excellent). The best time to visit Hayward is September.
High
26°C78°F
Low
14°C58°F
🌧️
1
rain days
☀️
11.6
hrs/day sunshine
💧
70%
humidity
96— Excellent
September in Hayward is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Hayward?
How much does it rain in Hayward in September?
Hayward receives an average of 3.1mm of rainfall across 1 rainy days in September. The annual total is 493.6mm.
What should I pack for Hayward in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 26°C
🧴
Sunscreen SPF 30+
12 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