Iași September Weather

Averages and records for weather in Iași, Romania in the month of September.
Typical Iași September Weather
1991–2020
Average daily high 23.1 °C
Average daily low 11.0 °C
Average monthly precipitation 4.9 cm
Daily chance of precipitation 28.6%
Iași September Weather Records
1952–2024
Highest temperature 37.4 °C September 1, 2015
Lowest temperature -3.4 °C September 29, 1977
Highest daily low 20.6 °C September 7, 1963
Lowest daily high 8.2 °C September 28, 1977
Hottest average high temperature 27.6 °C 2023
Coldest average high temperature 16.6 °C 1996
Most daily precipitation 10.8 cm September 16, 1981
Most monthly precipitation 18.4 cm 1996
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
September 1 26.3 13.4 37.4 8.1
September 2 26.1 13.3 36.7 8.2
September 3 25.9 13.1 32.7 7.2
September 4 25.7 13.0 32.7 5.0
September 5 25.4 12.8 33.1 6.1
September 6 25.1 12.6 32.4 5.6
September 7 24.9 12.4 34.1 5.6
September 8 24.6 12.2 32.5 5.0
September 9 24.4 12.0 32.0 3.4
September 10 24.1 11.9 32.0 5.6
September 11 23.9 11.7 32.3 4.0
September 12 23.7 11.5 31.9 5.6
September 13 23.5 11.4 32.8 4.4
September 14 23.4 11.2 32.6 3.2
September 15 23.2 11.1 30.8 3.7
September 16 23.0 10.9 33.2 5.4
September 17 22.8 10.8 34.6 2.2
September 18 22.6 10.6 34.0 2.9
September 19 22.4 10.5 32.6 1.6
September 20 22.2 10.4 30.2 2.8
September 21 22.1 10.2 29.8 2.9
September 22 21.9 10.1 30.5 1.1
September 23 21.7 10.0 30.3 0.9
September 24 21.5 9.8 30.3 2.3
September 25 21.3 9.7 31.1 1.6
September 26 21.1 9.5 30.1 2.2
September 27 20.8 9.4 33.1 -0.5
September 28 20.6 9.2 32.3 -1.7
September 29 20.3 9.0 29.3 -3.4
September 30 20.0 8.8 30.1 -0.1
Weather Station Details
Years Station Coordinates
1952–2024 Iasi location