nomadseason

September Weather in Grosshart, Austria

Last updated: August 22, 2025

In Grosshart, Austria, the average temperature in September hovers around 15°C (59°F), with a delightful range from a chilly 0°C (32°F) to a warm 28°C (83°F). Expect about 102 mm (4.0 in) of precipitation spread over 12 days, adding a touch of freshness to the air. With an average humidity of 65%, this month offers a balanced climate that feels just right.

September Temperature in Grosshart

In September in Grosshart, the average temperature is 15°C (59°F). Maximums can reach up to 28°C (83°F), while minimums can drop as low as 0°C (32°F). This variability makes it an ideal time for travelers to enjoy a range of outdoor activities, but it's advisable to pack layers for changing weather conditions.

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

The chart illustrates September temperature patterns in Grosshart, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grosshart, September typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (83°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec313641495666686859504134
Data source: Temperature data for Grosshart 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 Grosshart

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

September Precipitation Trends in Grosshart

The chart displays monthly precipitation patterns in Grosshart, 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 Grosshart, September typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec2635385611296115119102526552
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Grosshart

In Grosshart in September humidity is 65%. With an average temperature of 15°C (59°F), this humidity feels like a pleasantly mild atmosphere, making it ideal for exploring the city, though occasional warmth might prompt you to seek shade during midday.

September Average Humidity in Grosshart

This chart illustrates the average monthly humidity levels in Grosshart, 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 Grosshart 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 Grosshart

In Grosshart 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 Grosshart, you can refer to this Hourly UV Index in Grosshart.

Maximum UV Index Levels in Grosshart for September

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

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

This table compares monthly weather conditions in Grosshart, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)26 mm (1.0 inches)90%low
February Weather2°C (36°F)35 mm (1.4 inches)84%moderate
March Weather5°C (41°F)38 mm (1.5 inches)78%moderate
April Weather10°C (49°F)56 mm (2.2 inches)73%high
May Weather14°C (57°F)112 mm (4.4 inches)71%very high
June Weather19°C (67°F)96 mm (3.8 inches)73%very high
July Weather20°C (68°F)115 mm (4.5 inches)70%very high
August Weather20°C (68°F)119 mm (4.7 inches)60%very high
September Weather15°C (59°F)102 mm (4.0 inches)65%high
October Weather10°C (51°F)52 mm (2.1 inches)84%moderate
November Weather5°C (41°F)65 mm (2.5 inches)89%moderate
December Weather1°C (34°F)52 mm (2.1 inches)89%low

Compare Grosshart's Climate with Cities Worldwide