BELHYDROMET

Ru Be En

Main / Information / climatology

05.10.2021

Climate characteristic of September 2021

The average air temperature in Belarus for the first autumn month of 2021 was +10.8°C, which is 1.3°C below the climatic norm. This and lower air temperature per month is observed on average once every 4-5 years, and the last time - in 2000.

Deviation of the average air temperature in September

from the climatic norm on the territory of Belarus

The below zero air temperature anomaly spread throughout the country, reaching the highest values in the Mogilev region (-1.6°C). The average air temperature for all three decades was below normal.

Average air temperature and climatic norm

through the decades of September 2021 across the territory of Belarus

The air temperature during the day was within the range of +7 +17°C, and on the warmest day, mainly in the first half of the month, it rose to +20°C and higher. The maximum air temperature for the month was recorded at Gantsevichi station on September 11 and amounted to +26.6°С.

The air temperature at night during the month was mainly within the range of +1 +12°С, and in the coldest nights it dropped to negative values in some places. The minimum temperature value (-3.4°С) was noted at Yezerishche station on September 30.

Precipitation in September 2021 and climate norm

by regions and across the territory of Belarus

During the month, on average of 90.3 mm of precipitation fell in the republic, which amounted to 151% of the climatic norm. September with such and a larger amount of precipitation is noted on average throughout the country once every 10-11 years, and the last time in 1998. Most precipitation fell on the territory of the Mogilev region - an average of 115.1 mm in the region (198% of the climatic norm).

In the first decade, there was a shortage of precipitation (34% of the norm), in the second and third – 276 and 148% of the norm, respectively.

Precipitation and climatic norm

through the decades of September 2021 across the territory of Belarus

In some places, an increase in wind speed by gusts of up to 15 m/s and more was noted. The maximum wind speed was recorded at Klichev station on September 3 (24 m/s). Fogs and thunderstorms were observed on some days. In Polotsk, hail was observed on September 2.