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September Weather in Merk, Hungary

Last updated: August 23, 2025

In Merk, Hungary, the average temperature in September hovers around 18°C (65°F), but be prepared for a range, as it can dip to a chilly 3°C (38°F) or soar up to a sweltering 35°C (95°F). During this time, expect around 49 mm (1.9 in) of precipitation over the course of 7 days, with an average humidity level of 68%. Stay comfortable and enjoy the season!

September Temperature in Merk

In September in Merk, the average temperature is 18°C (65°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 3°C (38°F). This variation in temperature makes it essential for travelers to pack both light and warm clothing to ensure comfort during their visit.

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

The chart illustrates September temperature patterns in Merk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merk, September typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec323844546271737565554537
Data source: Temperature data for Merk 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 Merk

In Merk in September, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

September Precipitation Trends in Merk

The chart displays monthly precipitation patterns in Merk, 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 Merk, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec456044538697885049495177
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Merk

In Merk in September, humidity is 68%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel somewhat sticky and requiring occasional breaks for refreshing hydration.

September Average Humidity in Merk

This chart illustrates the average monthly humidity levels in Merk, 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 Merk is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%83%75%72%72%71%62%68%84%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Merk

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

Maximum UV Index Levels in Merk for September

The chart shows the monthly maximum UV Index (UVI) for Merk 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 Merk typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689886422
Data source: Merk 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 Merk Compares to Other Months

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

This table compares monthly weather conditions in Merk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)45 mm (1.8 inches)89%low
February Weather3°C (38°F)60 mm (2.3 inches)87%moderate
March Weather6°C (44°F)44 mm (1.7 inches)83%moderate
April Weather12°C (54°F)53 mm (2.1 inches)75%high
May Weather17°C (62°F)86 mm (3.4 inches)72%very high
June Weather22°C (72°F)97 mm (3.8 inches)72%very high
July Weather23°C (73°F)88 mm (3.5 inches)71%very high
August Weather24°C (75°F)50 mm (2.0 inches)62%very high
September Weather18°C (65°F)49 mm (1.9 inches)68%high
October Weather13°C (55°F)49 mm (1.9 inches)84%moderate
November Weather7°C (46°F)51 mm (2.0 inches)90%low
December Weather3°C (37°F)77 mm (3.0 inches)92%low

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