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September Weather in Ivanja Reka, Croatia

Last updated: August 23, 2025

In Ivanja Reka, Croatia, the average temperature in September is a pleasant 18°C (64°F). However, you can expect a temperature range from a brisk 3°C (38°F) to a warm 34°C (93°F). With an average precipitation of 98 mm (3.9 in) spread over 10 days, it's wise to be prepared for occasional showers. The average humidity hovers around 62%, adding a touch of moisture to the air.

September Temperature in Ivanja Reka

In September in Ivanja Reka, the average temperature is 18°C (64°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 3°C (38°F). This range makes Ivanja Reka an ideal destination for travelers seeking both warm days and cooler nights.

September Weather in Ivanja Reka: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ivanja Reka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ivanja Reka, September typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec344045546271737464544538
Data source: Temperature data for Ivanja Reka 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 Ivanja Reka

In Ivanja Reka in September, the total precipitation amount is 98 mm (3.9 in) recorded over a span of 10 days.

September Precipitation Trends in Ivanja Reka

The chart displays monthly precipitation patterns in Ivanja Reka, 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 Ivanja Reka, September typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec3966526812096887498849086
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ivanja Reka

In Ivanja Reka in September humidity is 62%. With an average temperature of 18°C (64°F), this humidity feels like a warm yet refreshing embrace, making it quite pleasant for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Ivanja Reka

This chart illustrates the average monthly humidity levels in Ivanja Reka, 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 Ivanja Reka 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 Ivanja Reka

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

Maximum UV Index Levels in Ivanja Reka for September

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

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

This table compares monthly weather conditions in Ivanja Reka, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)39 mm (1.5 inches)89%low
February Weather4°C (40°F)66 mm (2.6 inches)83%moderate
March Weather7°C (46°F)52 mm (2.1 inches)75%moderate
April Weather12°C (54°F)68 mm (2.7 inches)72%high
May Weather16°C (62°F)120 mm (4.7 inches)70%very high
June Weather22°C (72°F)96 mm (3.8 inches)69%very high
July Weather23°C (74°F)88 mm (3.5 inches)64%very high
August Weather23°C (74°F)74 mm (2.9 inches)51%very high
September Weather18°C (64°F)98 mm (3.9 inches)62%high
October Weather12°C (55°F)84 mm (3.3 inches)81%moderate
November Weather7°C (46°F)89 mm (3.5 inches)87%moderate
December Weather3°C (38°F)86 mm (3.4 inches)88%low

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