Warsaw Weather in September

With daytime temperatures of 27°C (81°F) and nighttime lows of 15°C (59°F), September in Warsaw brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 121 mm (4.8 in) falls on average.

Rainfall in Warsaw in September

You can expect rain on around 8 days based on historical patterns, with 121 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 Warsaw in September

In September, Warsaw gets high temperatures, with highs of 27°C (81°F). Nights cool to around 15°C (59°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 15°C (59°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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. October typically offers the best weather for Warsaw.