Weather in Plainfield in September

Plainfield, United States averages a high of 24.4°C (75.9°F) and low of 15.7°C (60.3°F) in September, with 9 rain days and 9.1 hours of daily sunshine. Travel score: 83.3/100 (Excellent). The best time to visit Plainfield is July.

High
24°C76°F
Low
16°C60°F
🌧️
9
rain days
☀️
9.1
hrs/day sunshine
💧
73%
humidity
83Excellent

September in Plainfield is warm and occasionally wet — excellent conditions for exploring.

What are the average temperatures in Plainfield?

JanFebMarAprMayJunJulAugSep24°16°OctNovDec

How much does it rain in Plainfield in September?

Plainfield receives an average of 114.5mm of rainfall across 9 rainy days in September. The annual total is 1191.5mm.

JanFebMarAprMayJunJulAugSep9dOctNovDec

What should I pack for Plainfield in September?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 24°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun

Recommended

🧥
Light rain jacket
Some rainy days expected (9 days)
Umbrella
Be prepared for occasional showers

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