One-pager
September in Kielce lands around 19.4°C in the day and 11.1°C at night, with noticeable humidity (76.7%) and about 9.4 rainy days. You get strong sightseeing density too: three top-ranked outdoor landmarks plus three high-popularity museums.
Crowds
Price level
Average sunshine
Month read
September looks like a very good fit for Kielce sightseeing, pairing 19.4°C days and 8.8 sunshine hours with a crowd level that stays medium and standout landmarks plus museums (6 major picks, popularity in the mid-90s). Expect damp weather swings—61.5 mm rainfall and ~9 rainy/9.
If the weather is on your side
Kościół pw. Najświętszej Maryi Panny Królowej Polski
landmark
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Best for
A two-sided plan that covers famous churches outdoors and major museums indoors
Travel days where you prefer medium crowds and medium prices while still seeing high-demand sights
Visitors who want most highlights within a tight set of 6 well-known attractions
Travel pulse
Snapshot
| Average daytime temperature | 19.4C |
|---|---|
| Average night temperature | 11.1C |
| Monthly rainfall | 61.5 mm |
| Rainy days | 9.4 days |
| Humidity | 76.7% |
| Average sunshine | 8.8 h |
How The Month Feels
Kielce in September feels comfortably mild in the daytime (around 19.4°C), but evenings cool to about 11.1°C. Sunshine is limited (8.8 hours) and the city sees roughly 9 rainy days, so you’ll likely need both outdoor and indoor time.
What To Lock In Early
With medium crowds and medium prices, you can book ahead for the most in-demand museum visits, especially if your schedule is tight. Keep some flexibility for rainy periods by holding space for indoor museums so you can adapt day by day without rushing.
What to do
How to do it
Plan cue
Start with the most popular church landmarks early in the day, then switch to museums if rain moves in
Plan cue
Use Muzeum Historii Kielc and the two other major museums as your core indoor block
Plan cue
Plan a mixed route so you’re not relying on long outdoor stretches on wetter days
Practical trip tips
Keep exploring
Broaden the session
Compare nearby options when you want the same month but a slightly better mix of weather, price, and crowd pressure.
Quick answers
Yes. This is one of the easier months to say yes to if you want a broadly comfortable city break.
Expect around 19.4°C by day and 11.1°C at night, with 61.5 mm of rain across roughly 9.4 rainy days.
Bring layers, comfortable shoes, and one warmer piece for evenings.
It can. The month usually works best when museums, churches, galleries, or other covered landmarks carry the core of the day and outdoor time stays flexible.