Weather in Tehran in September
September in Tehran is warm with average temperatures around 25.3°C (77.5°F). Light rainfall with only 16mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
32.0°C
89.6°F
Low
18.6°C
65.5°F
Precipitation
16 mm
0.6 inches
~4 rainy days
Conditions
Humidity
28%
Comparison to Adjacent Months
September is 4.2°C cooler than August.
September is 6.4°C warmer than October, 21mm drier than October.