September Weather in Aiud, Romania

Last updated: August 27, 2025

In Aiud, Romania, the average temperature in September hovers around 17°C (63°F), with a notable range where the minimum can drop to 0°C (32°F), while the maximum can reach a warm 33°C (92°F). Expect around 40 mm (1.6 in) of precipitation spread over 7 days throughout the month, contributing to an average humidity of 64%.

September Temperature in Aiud

In September in Aiud, the average temperature is 17°C (63°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 0°C (32°F). It's advisable to pack for a wide range of temperatures to ensure comfort during your travels.

September Weather in Aiud: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Aiud, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aiud, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (92°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec303642526068707263524335
Data source: Temperature data for Aiud generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Aiud

In Aiud in September, the precipitation amount is 40 mm (1.6 in) over a span of 7 days.

September Precipitation Trends in Aiud

The chart displays monthly precipitation patterns in Aiud, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Aiud, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec3039524482921005141403159
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Aiud

In Aiud in September humidity is 64%. With an average temperature of 17°C (63°F), this humidity feels like a mild dampness that can make outdoor activities feel slightly muggy, but it's still comfortable for exploring the area.

September Average Humidity in Aiud

This chart illustrates the average monthly humidity levels in Aiud, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Aiud is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%88%87%79%71%71%64%55%64%83%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Aiud

In Aiud in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Aiud.

Maximum UV Index Levels in Aiud for September

The chart shows the monthly maximum UV Index (UVI) for Aiud in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Aiud typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Aiud September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Aiud Compares to Other Months

Weather in Aiud varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Aiud, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Aiud, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)30 mm (1.2 inches)93%low
February Weather2°C (37°F)39 mm (1.5 inches)88%moderate
March Weather5°C (42°F)52 mm (2.0 inches)86%moderate
April Weather11°C (52°F)44 mm (1.7 inches)79%high
May Weather16°C (60°F)82 mm (3.2 inches)71%very high
June Weather20°C (68°F)92 mm (3.6 inches)71%very high
July Weather21°C (70°F)100 mm (3.9 inches)64%very high
August Weather22°C (72°F)51 mm (2.0 inches)55%very high
September Weather17°C (63°F)40 mm (1.6 inches)64%high
October Weather11°C (52°F)40 mm (1.6 inches)83%moderate
November Weather6°C (43°F)31 mm (1.2 inches)91%moderate
December Weather2°C (35°F)59 mm (2.3 inches)92%low

Compare Aiud's Climate with Cities Worldwide