Baltimore Weather in September

September in Baltimore typically sees daytime highs of 27°C (81°F) and nighttime lows of 17°C (63°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Baltimore in September

You can expect rain on around 9 days based on historical patterns, with 123 mm (4.8 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Baltimore in September

September in Baltimore brings high temperatures, with highs of 27°C (81°F) and nights around 17°C (63°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Baltimore in September

The days are predominantly sunny, with an estimated total of around 225 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Baltimore.