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September Weather in Mortantsch, Austria

Last updated: August 22, 2025

In September, the average temperature in Mortantsch, Austria hovers around 14°C (58°F). Expect a range of conditions, with minimum lows dipping to -1°C (31°F) and pleasant highs reaching 27°C (82°F). During this time, precipitation averages 104 mm (4.1 in) over approximately 12 days, and the average humidity sits comfortably at 65%.

September Temperature in Mortantsch

In September in Mortantsch, the average temperature is 14°C (58°F). The maximum can reach 27°C (82°F), while the minimum can drop as low as -1°C (31°F). It's a great time to explore Mortantsch, but be sure to pack both warm and light clothing for varying temperatures.

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

The chart illustrates September temperature patterns in Mortantsch, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mortantsch, September typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (82°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec293439475564666657493932
Data source: Temperature data for Mortantsch 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 Mortantsch

In Mortantsch in September, the total precipitation amount is 104 mm (4.1 in) spread over 12 days.

September Precipitation Trends in Mortantsch

The chart displays monthly precipitation patterns in Mortantsch, 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 Mortantsch, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec3237395811693101120104547059
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mortantsch

In Mortantsch in September, humidity is 65%. With an average temperature of 14°C (58°F), this humidity feels like a mild embrace, creating a slightly damp atmosphere that's comfortable for exploring, but travelers should be prepared for the occasional sticky moment.

September Average Humidity in Mortantsch

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

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

Maximum UV Index Levels in Mortantsch for September

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

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

This table compares monthly weather conditions in Mortantsch, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)32 mm (1.2 inches)90%low
February Weather1°C (34°F)37 mm (1.4 inches)84%moderate
March Weather4°C (39°F)38 mm (1.5 inches)78%moderate
April Weather8°C (48°F)57 mm (2.3 inches)73%high
May Weather13°C (55°F)116 mm (4.5 inches)71%very high
June Weather18°C (65°F)93 mm (3.7 inches)73%very high
July Weather19°C (66°F)101 mm (4.0 inches)70%very high
August Weather19°C (66°F)120 mm (4.7 inches)60%very high
September Weather14°C (58°F)104 mm (4.1 inches)65%high
October Weather9°C (49°F)54 mm (2.1 inches)84%moderate
November Weather4°C (40°F)70 mm (2.8 inches)89%moderate
December Weather0°C (32°F)59 mm (2.3 inches)89%low

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