Weather in Rosemead in September

Rosemead, United States averages a high of 31.1°C (88°F) and low of 17.5°C (63.5°F) in September, with 1 rain days and 11.5 hours of daily sunshine. Travel score: 99/100 (Excellent). The best time to visit Rosemead is August.

High
31°C88°F
Low
18°C64°F
🌧️
1
rain days
☀️
11.5
hrs/day sunshine
💧
57%
humidity
99Excellent

September in Rosemead is hot and dry — excellent conditions for exploring.

What are the average temperatures in Rosemead?

JanFebMarAprMayJunJulAugSep31°18°OctNovDec

How much does it rain in Rosemead in September?

Rosemead receives an average of 6.4mm of rainfall across 1 rainy days in September. The annual total is 358.3mm.

JanFebMarAprMayJunJulAugSep1dOctNovDec

What should I pack for Rosemead in September?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 31°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 14°C from day to night

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