Warsaw weather in September
Mild and comfortable, with some rainy days. Average highs of 20°C and lows of 11°C, with around 10 rainy days expected throughout the month.
While September isn't our top-rated month for Warsaw, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
20°C
Average low
11°C
Rainy days
10 days
Best months to visit
June, July, August
What to do in Warsaw in September
Whatever the weather, Warsaw rewards curious visitors. Here are some of the best ways to spend your time:
Old Town reconstruction walking tours
Warsaw Rising Museum visit
POLIN Jewish history museum
Royal Palace museum exploration
Modern architecture tours and street art
Vistula riverfront walks and beaches
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
2C
Cold, with some rainy days.
February
4C
Cold, with some rainy days.
March
9C
Cold, with occasional showers.
April
14C
Cool, with some rainy days.
May
19C
Mild and comfortable, with some rainy days.
Recommended
June
24C
Mild and comfortable, with some rainy days.
Recommended
July
25C
Warm and pleasant, with some rainy days.
Recommended
August
25C
Warm and pleasant, with some rainy days.
September (you are here)
20C
Mild and comfortable, with some rainy days.
October
14C
Cool, with some rainy days.
November
7C
Cold, with occasional showers.
December
4C
Cold, with some rainy days.
Book your September trip to Warsaw
Find hotels, tours and experiences for the perfect escape.
