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September Weather in Krmelj, Slovenia

Last updated: August 27, 2025

In Krmelj, Slovenia, the average temperature in September hovers around 17°C (62°F). During this time, temperatures can range from a chilly 2°C (36°F) to a warm 32°C (90°F). Expect about 134 mm (5.3 in) of precipitation spread over 12 days, and you can also anticipate an average humidity level of 62%. Prepare accordingly for a mix of pleasant warmth and refreshing showers!

September Temperature in Krmelj

In September in Krmelj, the average temperature is 17°C (62°F). Maximum temperatures can reach up to 32°C (90°F), while minimum temperatures can drop as low as 2°C (36°F). Regardless of the temperature fluctuations, this month offers a unique opportunity to experience Krmelj in its varied climate, so travelers should pack accordingly to fully enjoy their visit.

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

The chart illustrates September temperature patterns in Krmelj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Krmelj, September typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec343944526070717262534537
Data source: Temperature data for Krmelj 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 Krmelj

In Krmelj in September, the precipitation amount is 134 mm (5.3 in) over a period of 12 days.

September Precipitation Trends in Krmelj

The chart displays monthly precipitation patterns in Krmelj, 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 Krmelj, September typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4268567714488102931348310394
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Krmelj

In Krmelj in September, humidity is 62%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it a comfortable yet slightly muggy environment for traveling, perfect for leisurely strolls but possibly requiring light clothing adjustments.

September Average Humidity in Krmelj

This chart illustrates the average monthly humidity levels in Krmelj, 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 Krmelj is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%83%75%72%70%69%64%51%62%81%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Krmelj

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

Maximum UV Index Levels in Krmelj for September

The chart shows the monthly maximum UV Index (UVI) for Krmelj 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 Krmelj typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Krmelj 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 Krmelj Compares to Other Months

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

This table compares monthly weather conditions in Krmelj, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)42 mm (1.7 inches)89%low
February Weather4°C (40°F)68 mm (2.7 inches)83%moderate
March Weather7°C (44°F)56 mm (2.2 inches)75%moderate
April Weather11°C (53°F)77 mm (3.0 inches)72%high
May Weather15°C (60°F)144 mm (5.7 inches)70%very high
June Weather21°C (70°F)88 mm (3.4 inches)69%very high
July Weather22°C (72°F)102 mm (4.0 inches)64%very high
August Weather22°C (72°F)93 mm (3.7 inches)51%very high
September Weather17°C (62°F)134 mm (5.3 inches)62%high
October Weather12°C (54°F)83 mm (3.3 inches)81%moderate
November Weather7°C (45°F)103 mm (4.1 inches)87%moderate
December Weather3°C (37°F)94 mm (3.7 inches)88%low

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