nomadseason

September Weather in Hart bei Graz, Austria

Last updated: August 22, 2025

In September, the average temperature in Hart bei Graz, Austria hovers around 16°C (60°F), offering a refreshing climate. Expect minimum temperatures to dip to 1°C (34°F), while highs can reach up to 30°C (86°F). During this month, precipitation averages 102 mm (4.0 in) over 12 days, contributing to an average humidity level of 65%.

September Temperature in Hart bei Graz

In September in Hart bei Graz, the average temperature is 16°C (60°F), with maximums reaching 30°C (86°F) and minimums dropping as low as 1°C (34°F). Travelers should pack accordingly to enjoy the varied temperatures during their visit.

September Weather in Hart bei Graz: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hart bei Graz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hart bei Graz, September typically has an average temperature of 16°C (60°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec313742505868696960514133
Data source: Temperature data for Hart bei Graz 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 Hart bei Graz

In Hart bei Graz in September, the total precipitation amount is 102 mm (4.0 in), occurring over a span of 12 days.

September Precipitation Trends in Hart bei Graz

The chart displays monthly precipitation patterns in Hart bei Graz, 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 Hart bei Graz, September typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec253838571127791101102457354
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Hart bei Graz

In Hart bei Graz in September, humidity is 65%. With an average temperature of 16°C (60°F), this humidity feels like a gentle blanket wrapping around you, making outdoor activities feel both refreshing and slightly heavy, perfect for leisurely strolls but perhaps a bit uncomfortable for rigorous exploration.

September Average Humidity in Hart bei Graz

This chart illustrates the average monthly humidity levels in Hart bei Graz, 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 Hart bei Graz is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%84%78%73%71%73%70%60%65%84%89%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hart bei Graz

In Hart bei Graz in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Hart bei Graz, you can refer to this Hourly UV Index in Hart bei Graz.

Maximum UV Index Levels in Hart bei Graz for September

The chart shows the monthly maximum UV Index (UVI) for Hart bei Graz 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 Hart bei Graz typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986431
Data source: Hart bei Graz 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 Hart bei Graz Compares to Other Months

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

This table compares monthly weather conditions in Hart bei Graz, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)25 mm (1.0 inches)90%low
February Weather3°C (37°F)38 mm (1.5 inches)84%moderate
March Weather5°C (42°F)38 mm (1.5 inches)78%moderate
April Weather10°C (51°F)57 mm (2.3 inches)73%high
May Weather14°C (58°F)112 mm (4.4 inches)71%very high
June Weather20°C (68°F)77 mm (3.0 inches)73%very high
July Weather21°C (69°F)91 mm (3.6 inches)70%very high
August Weather21°C (69°F)101 mm (4.0 inches)60%very high
September Weather16°C (60°F)102 mm (4.0 inches)65%high
October Weather11°C (51°F)45 mm (1.8 inches)84%moderate
November Weather5°C (42°F)73 mm (2.9 inches)89%moderate
December Weather1°C (34°F)54 mm (2.1 inches)89%low

Compare Hart bei Graz's Climate with Cities Worldwide