September Packing List for Washington DC — What to Wear & Bring

These shirts are perfect for the 81F September weather in Washington DC, offering a polished look for sightseeing.

A blazer is a great layering piece for Washington DC's 64F evenings and fits the city's professional atmosphere.

Stylish jeans are suitable for exploring the historic streets of Georgetown when Washington DC highs are a mild 81F.

Washington DC's September transitions from summer heat to comfortable fall, with highs dropping from 81°F early in the month — a midi skirt in a mid-weight fabric works for both Smithsonian visits and Capitol Hill dinners.

Trendy but supportive sneakers are ideal for walking the National Mall in 81F weather without sacrificing Washington DC style.

Washington DC's September averages 81°F highs and 8 rainy days — leather flats with a rubber sole handle the cobblestone streets of Georgetown while remaining appropriate for museum and gallery visits.

Leather loafers work well for the 8 days of precipitation in September, keeping feet dry and looking sharp in Washington DC.

A lightweight scarf is perfect for the 64F September nights in Washington DC when the air turns crisp near the Potomac.

Washington DC's September brings 81°F highs and 8 rainy days as the city shifts to fall event season — a classic watch is appropriate for the mix of outdoor Mall visits and formal evening events on the social calendar.

Sun protection is still important in September as Washington DC enjoys many clear, bright days with highs of 81F.