What to Wear in Denver in September
Your complete weather-based packing list derived from 30 years of historical climate data.
September Weather in Denver at a Glance
Avg High
26°C
Avg Low
10°C
Rain Risk
12%
💡 Quick Tip:
Summer essentials: shorts, tank tops, linen fabrics, sandals. Sun hat is a must. Rain is unlikely, but a small umbrella never hurts.
Weekly Packing Breakdown for Denver
Summer essentials: shorts, tank tops, linen fabrics, sandals.
Summer essentials: shorts, tank tops, linen fabrics, sandals.
Summer essentials: shorts, tank tops, linen fabrics, sandals.
Light breathable clothing, t-shirts, light pants or shorts.
Essential Packing List for Denver in September
Don't leave home without these essentials.
Top Layers
- ✓T-Shirts / Tank Tops
- ✓Light Cardigan / Hoodie
- ✓No coat needed
Bottoms & Shoes
- ✓Shorts / Skirts / Light Trousers
- ✓Comfortable Walking Shoes
- ✓Socks (Cotton/Athletic)
Accessories
- ✓Sunglasses & Hat
- ✓Beanie / Hat
Common Questions about Denver Weather in September
What is the weather like in Denver in September?
It is generally hot with average highs of 26°C. Nights average around 10°C.
Do I need a heavy coat?
A medium-weight jacket or coat is recommended, especially for evenings.
Does it rain often in Denver in September?
Rain is relatively rare (12% chance), but a small umbrella is always good to have.
What shoes should I take to Denver?
Comfortable walking shoes are the most important item. Sneakers or loafers are perfect. You can also pack sandals for warmer days.
Can I wear shorts / short sleeves?
Yes, daytimes are warm enough for shorts and short sleeves.