Bydgoszcz Weather in September
September in Bydgoszcz sees daytime temperatures around 20°C (68°F) and lows of 10°C (50°F) at night. The perfect weather makes it a good time to visit.
Rainfall in Bydgoszcz in September
Based on our climate data of the past 30 years, about 14 days of rain are anticipated, with 57 mm (2.2 in) on average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Bydgoszcz in September
If you're visiting Bydgoszcz in September, expect perfect temperatures with highs of 20°C (68°F) and overnight lows of 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Bydgoszcz in September
The month experiences a moderate amount of sunlight, with 147 hours of sunshine. This provides a nice balance between sunshine and clouds.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Bydgoszcz.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Poland, check out our Bydgoszcz's climate page.
Bydgoszcz Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
45%
Precipitation
57 mm (2.2 in)
Rainy days
14 days
Sunshine
147 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bydgoszcz typically drop from around 20°C (68°F) at the start of September to approximately 16°C (61°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Bydgoszcz in September
Browse day-by-day weather records for Bydgoszcz spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bydgoszcz historical weather extremes in September
Based on weather observations in Bydgoszcz between 1976 and 2025, these are the recorded extremes during September.
- Bydgoszcz recorded its highest September temperature of 32°C (90°F) on September 3, 2024.
- Bydgoszcz experienced its chilliest September day on September 30, 1995, reaching only 8°C (46°F).
- Nighttime temperatures dropped to -2°C (28°F) on September 27, 1977, marking the coldest September night on record.
Best Places in Poland in September
Find out more about the weather in Poland and which places have the best travel conditions in this month. See all of Poland in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Bydgoszcz in September
For Bydgoszcz in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Bydgoszcz in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Poland, check out our Bydgoszcz's climate page.
See the full Bydgoszcz climate overview or explore weather in Poland.
