Grodno Weather in September
During September, Grodno experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 9°C (48°F). Expect quite a bit of rainfall. Around 65 mm (2.6 in) is typical.
Rainfall in Grodno in September
Historically, the month has about 13 days of rain, averaging 65 mm (2.6 in) in total. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Grodno in September
If you're visiting Grodno in September, expect highs of 19°C (66°F) and overnight lows around 9°C (48°F). Conditions are often most pleasant around the middle of the day. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.If you prefer enjoying temperate temperatures and rain-free days, May, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belarus, check out our Grodno's climate page.
Grodno Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grodno typically drop from around 20°C (68°F) at the start of September to approximately 15°C (59°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 Grodno in September
Browse day-by-day weather records for Grodno spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grodno historical weather extremes in September
Based on weather observations in Grodno between 1976 and 2025, these are the recorded extremes during September.
- The hottest September day on record in Grodno reached 29°C (84°F) (September 2, 1983).
- The coldest September day was on September 30, 1993, with a maximum of 5°C (41°F).
- Nighttime temperatures dropped to -2°C (28°F) on September 23, 1976, marking the coldest September night on record.
Best Places in Belarus in September
Find out more about the weather in Belarus and which places have the best travel conditions in this month. See all of Belarus in September →
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What to Wear in Grodno in September
For Grodno 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.What To Do in Grodno 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 Belarus, check out our Grodno's climate page.
See the full Grodno climate overview or explore weather in Belarus.