Climate averages 1991–2020
Rivne weather
in September.
A mild, moderately wet month: the 5th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Rivne: daytime highs average 18.4°C and nights cool to about 10.6°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 64 mm of rain on roughly 10 days, which makes September a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 41 min on an average September day.
The nearest other city in this atlas is Lutsk (64 km away). In September its highs average 18.3°C, about as warm as Rivne, with 68 mm of rain.
Among the 59 cities listed in Ukraine, Rivne ranks joint 48th of 59 for the warmest September highs and 52nd of 59 for the driest September (rainfall, lowest first). The mean September high of those 59 cities is 20.1°C; Rivne is 1.7°C cooler than that mean.
From September to October, average highs fall by 6.3°C to 12.2°C, and monthly rainfall falls from 64 mm to 45 mm.
The annual picture
September in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rivne climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.5°C-5.0°C | -5.0°C | 36 | 9.0 | 8.59 h |
| February | 1.1°C-4.6°C | -4.6°C | 36 | 10.1 | 10.010 h |
| March | 6.2°C-1.6°C | -1.6°C | 44 | 10.6 | 11.812 h |
| April | 13.6°C3.9°C | 3.9°C | 48 | 10.5 | 13.814 h |
| May | 19.1°C9.5°C | 9.5°C | 68 | 12.7 | 15.515 h |
| June | 22.4°C13.5°C | 13.5°C | 83 | 13.5 | 16.416 h |
| July | 24.1°C15.4°C | 15.4°C | 103 | 14.1 | 16.016 h |
| August | 23.8°C14.9°C | 14.9°C | 69 | 10.3 | 14.515 h |
| September, selected | 18.4°C10.6°C | 10.6°C | 64 | 9.7 | 12.713 h |
| October | 12.2°C5.6°C | 5.6°C | 45 | 9.0 | 10.811 h |
| November | 5.8°C1.3°C | 1.3°C | 42 | 9.5 | 9.09 h |
| December | 0.9°C-3.2°C | -3.2°C | 42 | 10.0 | 8.18 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Lutsk in SeptemberUkraine · 64 kmHigh 18.3°C · Low 10.7°C · 68 mm rain
- Ternopil in SeptemberUkraine · 127 kmHigh 18.2°C · Low 10.3°C · 67 mm rain
- Khmelnytskyi in SeptemberUkraine · 144 kmHigh 18.2°C · Low 10.4°C · 65 mm rain
- Pinsk in SeptemberBelarus · 167 kmHigh 17.7°C · Low 10.2°C · 57 mm rain
- Zhytomyr in SeptemberUkraine · 177 kmHigh 18.2°C · Low 10.2°C · 56 mm rain
- Lviv in SeptemberUkraine · 180 kmHigh 18.1°C · Low 10.6°C · 72 mm rain
- Berdychiv in SeptemberUkraine · 185 kmHigh 18.3°C · Low 10.6°C · 56 mm rain
- Kamyanets-Podilskyi in SeptemberUkraine · 217 kmHigh 19.4°C · Low 11.2°C · 62 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rivne) is explained once on the Rivne year overview and on the Sources, method and limits page.