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September Weather in Rum, Austria

Last updated: August 22, 2025

In September, the average temperature in Rum, Austria is a cool 9°C (49°F). Expect temperature fluctuations between a chilly -7°C (20°F) and a mild 22°C (72°F). During this month, you'll encounter 164 mm (6.5 in) of precipitation spread over 16 days, with an average humidity level of 83%. Don't forget your umbrella! ☔

September Temperature in Rum

In September in Rum, the average temperature is 9°C (49°F). Maximum temperatures can reach up to 22°C (72°F), while minimums can dip as low as -7°C (20°F). This variability makes it essential for travelers to pack accordingly and be prepared for both mild and chilly conditions.

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

The chart illustrates September temperature patterns in Rum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rum, September typically has an average temperature of 9°C (49°F), with highs reaching up to 22°C (72°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec212630384454555649413224
Data source: Temperature data for Rum generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Rum

In Rum in September, the total precipitation amount is 164 mm (6.5 in), spread over 16 days.

September Precipitation Trends in Rum

The chart displays monthly precipitation patterns in Rum, 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 Rum, September typically receives around 164 mm (6.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1038210494202191205233164134104140
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rum

In Rum in September, humidity is 83%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable for traveling and requiring extra layers to stay warm and dry.

September Average Humidity in Rum

This chart illustrates the average monthly humidity levels in Rum, 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 Rum is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rum

In Rum 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 Rum.

Maximum UV Index Levels in Rum for September

The chart shows the monthly maximum UV Index (UVI) for Rum 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 Rum typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24779101097532
Data source: Rum 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 Rum Compares to Other Months

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

This table compares monthly weather conditions in Rum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)103 mm (4.1 inches)93%low
February Weather-3°C (27°F)82 mm (3.2 inches)89%moderate
March Weather-1°C (31°F)104 mm (4.1 inches)86%high
April Weather3°C (38°F)94 mm (3.7 inches)83%high
May Weather7°C (45°F)202 mm (8.0 inches)78%very high
June Weather12°C (54°F)190 mm (7.5 inches)79%very high
July Weather13°C (56°F)205 mm (8.1 inches)82%very high
August Weather13°C (56°F)233 mm (9.2 inches)80%very high
September Weather9°C (49°F)164 mm (6.5 inches)83%high
October Weather5°C (42°F)134 mm (5.3 inches)90%moderate
November Weather0°C (33°F)104 mm (4.1 inches)89%moderate
December Weather-5°C (24°F)140 mm (5.5 inches)90%low

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