September · Belarus
Best time to visit Grodno in September Weather, crowds & prices
Weather in Grodno in September
Average temperature 15°C, 57 mm of rain, about 23 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.9/10
Ranked #2 of 12 months
- Avg temp
- 15°C
- Rainfall
- 57 mm
- Humidity
- 75%
- Days with 6h+ sun
- 23
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Grodno scores 8.9/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 15°C, 57 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Grodno is a historic western Belarusian city on the Neman, with old churches, castles, river parks, and a compact center shaped by several European traditions.
September is one of the strongest months in Grodno (2nd)
Temperatures hover around 15°C (58°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 57 mm of rain this month — a flexible day or two helps — with about 23 days with 6+ hours of sunshine and 12.7 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Grodno at 8.9/10 (2nd of 12), just behind June at 8.9/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Grodno in September?
- In September, Grodno averages 15°C, 57 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 8.9/10.
- Is September a good time to visit Grodno?
- September earns a 8.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Grodno in September?
- Expect about 57 mm of rain in September. Average humidity is 75% and there are about 23 days with 6+ hours of sunshine.
Curated in Grodno
Tickets & experiences
Things to do in Grodno
Grodno, Belarus. Live activities and tours from GetYourGuide, matched to this destination.