Moderate rain is expected on the night of September 11 in northeastern Ukraine and in some areas of the Kyiv and Cherkasy regions; on Friday afternoon, most of the western regions and the Kharkiv region will see rain, with heavy rain and thunderstorms in some areas of Transcarpathia and the Carpathian Foothills, while the rest of the country will remain dry.
According to the Ukrainian Hydrometeorological Center, winds on this day are expected to be predominantly northwesterly, at 5–10 m/s. Nighttime temperatures will range from 10–15°, reaching up to 19° along the coast; daytime temperatures will range from 20–25°, and 26–31° in the south and southeast of the country.
In Kyiv on September 11, there will be no precipitation. The wind will be from the northwest at 5–10 m/s. Nighttime temperatures will range from 13–15°, and daytime temperatures from 22–24°.
According to data from the Boris Sreznevsky Central Geophysical Observatory, over the entire period of meteorological observations conducted in Kyiv since 1881, the highest temperature recorded in the capital on September 11 was 33.6° in 1898, and the lowest—at night—was 4.7° above zero in 1935 and 1968.
On Saturday, September 12, moderate and, in some places, heavy rain and thunderstorms are expected in the western and northern regions, as well as in Vinnytsia Oblast and, during the day, in Cherkasy and Poltava Oblasts. No precipitation is expected elsewhere. Fog is expected in some areas in the south and east of the country at night and in the morning.
The wind on this day will be southeasterly, shifting to northeasterly, at 5–10 m/s. Nighttime temperatures will range from 10–15°, reaching up to 19° along the coast; daytime temperatures will range from 20–25°, with 26–31° in the south and 13–18° in the western and northern regions.
In Kyiv on September 12, there will be moderate rain at night and heavy rain during the day. The wind will be southeasterly, shifting to northeasterly, at 5–10 m/s. Nighttime temperatures will range from 13–15°, and daytime temperatures from 15–17°.