Kielce Weather in September
September in Kielce brings pleasant temperatures, with daytime highs of 20°C (68°F) and nights around 9°C (48°F). Quite a bit of rainfall is expected, around 70 mm (2.8 in), so pack an umbrella.
Rainfall in Kielce in September
You can typically expect 12 days of rain this month, averaging around 70 mm (2.8 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Kielce in September
Kielce has perfect weather in September, with days reaching 20°C (68°F) and nights cooling to 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Kielce in September
The month brings about 164 hours of sunlight, offering a comfortable mix of sun and overcast.
Wind Speed in Kielce in September
Average wind conditions reach 2 m/s (4 knots) in September. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
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 Kielce's climate page.
Kielce Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
41%
Precipitation
70 mm (2.8 in)
Rainy days
12 days
Humidity
80%
Windspeed
2 m/s (4 knots)
Sunshine
164 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kielce 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 6°C (43°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 Kielce in September
Browse day-by-day weather records for Kielce spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kielce historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Kielce.
- On September 3, 2024, temperatures climbed to 30°C (86°F), marking the warmest September day on record.
- Kielce experienced its chilliest September day on September 30, 2010, reaching only 6°C (43°F).
- Kielce registered its coldest September night on September 28, 1977, with temperatures dropping to -4°C (25°F).
- The wettest day in September Kielce was on September 6, 2007 with 35 mm (1.4 in) of precipitation.
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
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tolerable
unpleasant
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What to Wear in Kielce in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Kielce 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 Kielce's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Kielce climate overview or explore weather in Poland.
