What to Wear in Nantucket in September
Your complete weather-based packing list derived from 30 years of historical climate data.
September Weather in Nantucket at a Glance
Avg High
19°C
Avg Low
18°C
Rain Risk
20%
💡 Quick Tip:
Light breathable clothing, t-shirts, light pants or shorts. Bring a light layer for evenings. Rain is unlikely, but a small umbrella never hurts.
Weekly Packing Breakdown for Nantucket
Light breathable clothing, t-shirts, light pants or shorts.
Light breathable clothing, t-shirts, light pants or shorts.
Light breathable clothing, t-shirts, light pants or shorts.
Light breathable clothing, t-shirts, light pants or shorts.
Essential Packing List for Nantucket in September
Don't leave home without these essentials.
Top Layers
- ✓Long-sleeve shirts / Base layers
- ✓Light Cardigan / Hoodie
- ✓No coat needed
Bottoms & Shoes
- ✓Jeans / Heavy Trousers
- ✓Comfortable Walking Shoes
- ✓Socks (Cotton/Athletic)
Accessories
- ✓Scarf & Gloves
- ✓Beanie / Hat
Common Questions about Nantucket Weather in September
What is the weather like in Nantucket in September?
It is mild and pleasant with average highs of 19°C. Nights average around 18°C.
Do I need a heavy coat?
No, a light jacket or sweater is sufficient for cooler moments.
Does it rain often in Nantucket in September?
Rain is relatively rare (20% chance), but a small umbrella is always good to have.
What shoes should I take to Nantucket?
Comfortable walking shoes are the most important item. Sneakers or loafers are perfect.
Can I wear shorts / short sleeves?
It might be possible on sunny afternoons, but long pants/jeans are safer.