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September Weather in Bonini, Slovenia

Last updated: August 27, 2025

In September, the average temperature in Bonini, Slovenia hovers around 20°C (68°F), with a delightful range that can drop to a cool 9°C (49°F) and peak at a warm 32°C (90°F). Expect about 164 mm (6.4 in) of precipitation over approximately 10 days, and enjoy an average humidity of 64% to round out the climate experience.

September Temperature in Bonini

In September in Bonini, the average temperature is 20°C (68°F). Maximums can reach 32°C (90°F) and minimums can be as low as 9°C (49°F). This makes it a pleasant time for travelers seeking mild weather for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Bonini, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bonini, September typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (90°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec404448556272757668595144
Data source: Temperature data for Bonini 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 Bonini

In Bonini in September, the precipitation amount is 164 mm (6.4 in) over a period of 10 days.

September Precipitation Trends in Bonini

The chart displays monthly precipitation patterns in Bonini, 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 Bonini, September typically receives around 164 mm (6.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5611872103142876570164107176150
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bonini

In Bonini in September humidity is 64%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it a perfect time for travelers to explore, though they might want to stay hydrated and take breaks in the shade to fully enjoy the experience.

September Average Humidity in Bonini

This chart illustrates the average monthly humidity levels in Bonini, 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 Bonini is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bonini

In Bonini in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Bonini.

Maximum UV Index Levels in Bonini for September

The chart shows the monthly maximum UV Index (UVI) for Bonini 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 Bonini typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Bonini 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 Bonini Compares to Other Months

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

This table compares monthly weather conditions in Bonini, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)56 mm (2.2 inches)88%low
February Weather7°C (44°F)118 mm (4.6 inches)82%moderate
March Weather9°C (48°F)71 mm (2.8 inches)73%moderate
April Weather13°C (55°F)103 mm (4.0 inches)73%high
May Weather17°C (63°F)142 mm (5.6 inches)70%very high
June Weather22°C (72°F)87 mm (3.4 inches)69%very high
July Weather24°C (75°F)65 mm (2.6 inches)63%very high
August Weather25°C (77°F)70 mm (2.7 inches)51%very high
September Weather20°C (68°F)164 mm (6.4 inches)64%high
October Weather15°C (59°F)107 mm (4.2 inches)83%moderate
November Weather11°C (52°F)176 mm (6.9 inches)89%moderate
December Weather7°C (44°F)150 mm (5.9 inches)88%low

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