Monthly climate guide
Chernihiv weather in September
September in Chernihiv is typically warm, with average daytime highs around 21°C (70°F) and night-time lows near 10°C (50°F). The month usually brings about 36 mm of rain (fairly dry) and is often cloudy. Daytime highs are 5°C cooler than August and 9°C warmer than October.
What stands out in September
- In Chernihiv, September is early autumn.
- Chernihiv is usually about 2°C cooler than Kremenchuk, 310 km away, in September.
- Expect a big gap between day and night — about 11°C.
- Temperatures are falling — expect highs around 9°C lower by October.
Avg high
21°C
70°F
Avg low
10°C
50°F
Rainfall
36 mm
fairly dry
Humidity
65%
relative
Sky
61%
cloud · often cloudy
Chernihiv weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | -4°C / 25°F | -10°C / 14°F | 47 mm | 95% | 88% |
| February | -2°C / 29°F | -8°C / 17°F | 38 mm | 94% | 84% |
| March | 5°C / 41°F | -4°C / 25°F | 42 mm | 85% | 73% |
| April | 14°C / 57°F | 3°C / 37°F | 35 mm | 74% | 64% |
| May | 21°C / 69°F | 10°C / 49°F | 73 mm | 73% | 61% |
| June | 24°C / 76°F | 14°C / 57°F | 69 mm | 70% | 58% |
| July | 26°C / 78°F | 15°C / 59°F | 74 mm | 68% | 61% |
| August | 26°C / 79°F | 14°C / 58°F | 43 mm | 62% | 52% |
| September | 21°C / 70°F | 10°C / 50°F | 36 mm | 65% | 61% |
| October | 13°C / 55°F | 4°C / 38°F | 55 mm | 78% | 69% |
| November | 5°C / 40°F | -1°C / 30°F | 37 mm | 89% | 81% |
| December | -1°C / 30°F | -6°C / 21°F | 54 mm | 95% | 85% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
Is September a good time to visit Chernihiv?
Compare the months in the chart above to find your ideal window.
Best time to visit Chernihiv →Other Ukraine cities in September
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Chernihiv weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/ukraine/chernihiv/september
<a href="https://weathercompare.eu/weather/ukraine/chernihiv/september">Chernihiv weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/ukraine/chernihiv" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Chernihiv weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/ukraine/chernihiv/september">Chernihiv weather in September</a> – WeatherCompare</p>
Chernihiv in September: quick answers
Is September a good time to visit Chernihiv?
Yes. September is one of the best months for Chernihiv, with highs around 21°C and about 36 mm of rain.
How warm is Chernihiv in September?
Average highs are about 21°C (70°F) and average lows about 10°C (50°F), based on 10 years of daily data.
Does it rain a lot in Chernihiv in September?
Chernihiv typically gets around 36 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Chernihiv (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.