September Weather in Stupava, Slovakia

Last updated: August 31, 2025

In September, the average temperature in Stupava, Slovakia hovers around 17°C (63°F), with fluctuations ranging from a chilly 2°C (35°F) to a warm 32°C (89°F). Expect about 85 mm (3.4 in) of precipitation spread over 10 days, contributing to an average humidity level of 75%. Prepare for a mix of weather as you explore this vibrant destination!

September Temperature in Stupava

In September in Stupava, the average temperature is 17°C (63°F). The maximum can reach 32°C (89°F), while the minimum can be as low as 2°C (35°F). It's a perfect time to enjoy a mix of warm daytime activities and cooler evenings, so pack accordingly for your travels!

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

The chart illustrates September temperature patterns in Stupava, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stupava, September typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (89°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333843526070727262534437
Data source: Temperature data for Stupava 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 Stupava

In Stupava in September, the precipitation amount is 85 mm (3.4 in) over the course of 10 days.

September Precipitation Trends in Stupava

The chart displays monthly precipitation patterns in Stupava, 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 Stupava, September typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec353234357764657285494959
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Stupava

In Stupava in September, humidity is 75%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities a bit sticky and requiring frequent breaks to stay refreshed during your travels.

September Average Humidity in Stupava

This chart illustrates the average monthly humidity levels in Stupava, 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 Stupava is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%78%74%77%76%76%75%85%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Stupava

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

Maximum UV Index Levels in Stupava for September

The chart shows the monthly maximum UV Index (UVI) for Stupava 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 Stupava typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Stupava 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 Stupava Compares to Other Months

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

This table compares monthly weather conditions in Stupava, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)35 mm (1.4 inches)90%low
February Weather3°C (38°F)32 mm (1.3 inches)87%moderate
March Weather6°C (43°F)34 mm (1.3 inches)85%moderate
April Weather11°C (52°F)35 mm (1.4 inches)78%high
May Weather16°C (60°F)77 mm (3.0 inches)73%very high
June Weather21°C (71°F)64 mm (2.5 inches)77%very high
July Weather22°C (72°F)65 mm (2.5 inches)76%very high
August Weather22°C (72°F)72 mm (2.8 inches)76%high
September Weather17°C (63°F)85 mm (3.4 inches)75%high
October Weather12°C (54°F)49 mm (1.9 inches)85%moderate
November Weather7°C (44°F)49 mm (1.9 inches)90%low
December Weather3°C (37°F)59 mm (2.3 inches)91%low

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