Bydgoszcz
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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 excellent 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 excellent 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.

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
*
* Data from: Toruń, Poland (41 KM, 25 Miles).

Bydgoszcz Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Bydgoszcz - and find the best time to visit.

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 records 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 2026, 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

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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 month

What To Do in Bydgoszcz in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    4/10
  • Outdoor sports
    10/10

Bydgoszcz 3-Day Forecast

More climate data for Bydgoszcz

Popular in September

Where to go in September - average daytime high across popular destinations.

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