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September Weather in Ostrach, Germany

Last updated: August 23, 2025

In September, the average temperature in Ostrach, Germany is a comfortable 14°C (58°F). However, be prepared for a range of conditions, with minimums dropping to 1°C (34°F) and maximums reaching up to 28°C (83°F). During this period, expect 86 mm (3.4 in) of precipitation spread over 13 days, contributing to an average humidity of 83%. Whether you're planning outdoor activities or cozy indoor time, it's a month full of contrasts!

September Temperature in Ostrach

In September in Ostrach, the average temperature is 14°C (58°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as 1°C (34°F). It's an ideal time to explore Ostrach with a comfortable climate, but be prepared for varying temperatures throughout the day.

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

The chart illustrates September temperature patterns in Ostrach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostrach, September typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (83°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec323641485464656557493935
Data source: Temperature data for Ostrach 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 Ostrach

In Ostrach, in September, the precipitation amount is 86 mm (3.4 in) over the course of 13 days.

September Precipitation Trends in Ostrach

The chart displays monthly precipitation patterns in Ostrach, 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 Ostrach, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7871735912613611113186835499
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ostrach

In Ostrach in September, humidity is 83%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket enveloping you, making exploration feel heavier and sweatier, so be prepared for a slower pace while traveling.

September Average Humidity in Ostrach

This chart illustrates the average monthly humidity levels in Ostrach, 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 Ostrach is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ostrach

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

Maximum UV Index Levels in Ostrach for September

The chart shows the monthly maximum UV Index (UVI) for Ostrach 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 Ostrach typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Ostrach 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 Ostrach Compares to Other Months

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

This table compares monthly weather conditions in Ostrach, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)78 mm (3.1 inches)92%low
February Weather2°C (36°F)71 mm (2.8 inches)89%moderate
March Weather5°C (41°F)73 mm (2.9 inches)87%moderate
April Weather9°C (48°F)59 mm (2.3 inches)84%high
May Weather12°C (55°F)126 mm (5.0 inches)80%very high
June Weather18°C (64°F)136 mm (5.3 inches)82%very high
July Weather18°C (66°F)111 mm (4.4 inches)83%very high
August Weather18°C (65°F)131 mm (5.2 inches)80%very high
September Weather14°C (58°F)86 mm (3.4 inches)83%high
October Weather10°C (50°F)83 mm (3.3 inches)90%moderate
November Weather4°C (40°F)54 mm (2.1 inches)88%low
December Weather2°C (35°F)99 mm (3.9 inches)90%low

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