September 2020 was the hottest September ever experienced in Bahrain since 1902, the Ministry of Transportation and Telecommunications’ Meteorological Directorate said.
Hot and humid weather dominated Bahrain during the month due to the moist easterly to Southeasterly winds, the directorate said in its monthly weather report.
“The mean maximum temperature of the month was 39.8°C which is 3.3°C above the long-term normal and this goes on record as the highest mean maximum temperatures for September since 1946. The old record was 39.1°C recorded in September 2017.”
During the month, Bahrain had 10 days with maximum temperature that exceeded 40°C.
The highest temperature recorded during the month was 43.7°C on September 9 at Bahrain International Airport and this goes on record as the fifth-highest maximum temperature for September since 1946 at Bahrain International Airport.
It was exceeded by September 4, 2013 with a record of 45.5°C, September 2, 2016 with a record of 45.3°C, September 11, 2008 with a record of 45°C and September 3, 2017 with a record of 44.1°C.
The highest temperature recorded at Bahrain International Circuit was 46.5°C on September 9 and at Durrat Al Bahrain was 44.8°C in the same day.
The lowest temperature recorded was 29.3°C set on September 23 at Bahrain International Airport but recorded 26.7°C on the same night at Durrat Al Bahrain.
The mean relative humidity for September was 55% whereas the mean maximum relative humidity was 74% and the mean minimum relative humidity was 27%.
The maximum relative humidity was 84% recorded on September 2 and the minimum relative humidity was 11% recorded on September 9 and 22.
September 2020 was the fourth sunniest month for all September since the sunshine records began in 1968. The total number of hours of sunshine for the month was 334.8 hours. This is same as September 2012 and exceeded by September 2014 with a record of 339.8 hours, September 2019 with a record of 337.4 hours and September 2016 with a record of 336 hours.
The mean wind speed for September was 6 knots. The prevailing wind was 38% from the East-Southeast direction. Gust winds reached 26 knots on September 26 at Bahrain International Airport and on September 5 at Bahrain International Circuit.
However, gust winds reached 31 knots on September 5 at Durrat Al Bahrain. Northwesterly winds accounted for 13% of the observation.
Dust was reported on September 5. Visibility dropped to 3,500 meters at Bahrain International Airport.