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September Weather in Olanu, Romania

Last updated: August 27, 2025

In Olanu, Romania, the average temperature in September is a pleasant 18°C (65°F). Expect a range that dips as low as 2°C (37°F) and can rise to a warm 34°C (93°F). During this month, you'll encounter approximately 31 mm (1.2 in) of precipitation over about 4 days, while the average humidity hovers around 58%.

September Temperature in Olanu

In September in Olanu, the average temperature is 18°C (65°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 2°C (37°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Olanu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olanu, September typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec313743526169727465544436
Data source: Temperature data for Olanu 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 Olanu

In Olanu in September, the total precipitation amount is 31 mm (1.2 in) over a span of 4 days.

September Precipitation Trends in Olanu

The chart displays monthly precipitation patterns in Olanu, 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 Olanu, September typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec48446645118130824531615480
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Olanu

In Olanu in September humidity is 58%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, creating a comfortable yet slightly muggy atmosphere perfect for leisurely exploration.

September Average Humidity in Olanu

This chart illustrates the average monthly humidity levels in Olanu, 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 Olanu is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%86%83%74%70%67%65%51%58%80%88%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Olanu

In Olanu 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 Olanu.

Maximum UV Index Levels in Olanu for September

The chart shows the monthly maximum UV Index (UVI) for Olanu 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 Olanu typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Olanu 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 Olanu Compares to Other Months

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

This table compares monthly weather conditions in Olanu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)48 mm (1.9 inches)91%low
February Weather3°C (37°F)44 mm (1.7 inches)86%moderate
March Weather6°C (43°F)66 mm (2.6 inches)83%moderate
April Weather11°C (52°F)45 mm (1.8 inches)74%high
May Weather16°C (61°F)118 mm (4.7 inches)70%very high
June Weather21°C (69°F)130 mm (5.1 inches)67%very high
July Weather22°C (72°F)82 mm (3.2 inches)65%very high
August Weather23°C (74°F)45 mm (1.8 inches)51%very high
September Weather18°C (65°F)31 mm (1.2 inches)58%high
October Weather12°C (54°F)61 mm (2.4 inches)80%moderate
November Weather7°C (44°F)54 mm (2.1 inches)88%moderate
December Weather2°C (36°F)80 mm (3.2 inches)90%low

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