Weather in Amherst in September
Amherst, United States averages a high of 21.9°C (71.4°F) and low of 14.2°C (57.6°F) in September, with 10 rain days and 9.6 hours of daily sunshine. Travel score: 79.4/100 (Good). The best time to visit Amherst is August.
High
22°C71°F
Low
14°C58°F
🌧️
10
rain days
☀️
9.6
hrs/day sunshine
💧
74%
humidity
79— Good
September in Amherst is mild and occasionally wet — good for most activities.
What are the average temperatures in Amherst?
How much does it rain in Amherst in September?
Amherst receives an average of 83.2mm of rainfall across 10 rainy days in September. The annual total is 990.7mm.
What should I pack for Amherst in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 22°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (10 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