nomadseason

September Weather in Rosu, Romania

Last updated: August 27, 2025

In Rosu, Romania, the average temperature in September hovers around 18°C (64°F), offering a pleasant climate. However, be prepared for temperature fluctuations, with lows dipping to 0°C (33°F) and highs reaching up to 34°C (94°F). Expect 27 mm (1.1 in) of precipitation over 6 days, accompanied by an average humidity level of 58%.

September Temperature in Rosu

In September in Rosu, the average temperature is 18°C (64°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 0°C (33°F). This varied climate makes it essential for travelers to pack for both warm and cool conditions.

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

The chart illustrates September temperature patterns in Rosu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosu, September typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (94°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec293440516170727364534335
Data source: Temperature data for Rosu generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Rosu

In Rosu in September, the precipitation amount is 27 mm (1.1 in) over a period of 6 days.

September Precipitation Trends in Rosu

The chart displays monthly precipitation patterns in Rosu, 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 Rosu, September typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec263337386393603727342651
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Rosu

In Rosu in September humidity is 58%. With an average temperature of 18°C (64°F), this humidity feels like a refreshing embrace, making it a comfortable time for traveling as you can enjoy outdoor explorations without feeling overly warm or sticky.

September Average Humidity in Rosu

This chart illustrates the average monthly humidity levels in Rosu, 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 Rosu is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%84%78%69%69%63%50%58%78%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rosu

In Rosu 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 Rosu.

Maximum UV Index Levels in Rosu for September

The chart shows the monthly maximum UV Index (UVI) for Rosu 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 Rosu typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689977432
Data source: Rosu 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 Rosu Compares to Other Months

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

This table compares monthly weather conditions in Rosu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)26 mm (1.0 inches)89%low
February Weather1°C (34°F)33 mm (1.3 inches)87%moderate
March Weather5°C (41°F)37 mm (1.5 inches)84%moderate
April Weather11°C (51°F)38 mm (1.5 inches)78%high
May Weather16°C (61°F)63 mm (2.5 inches)69%very high
June Weather21°C (70°F)93 mm (3.6 inches)69%very high
July Weather22°C (72°F)60 mm (2.4 inches)63%very high
August Weather23°C (73°F)37 mm (1.5 inches)50%high
September Weather18°C (64°F)27 mm (1.1 inches)58%high
October Weather12°C (54°F)34 mm (1.3 inches)78%moderate
November Weather6°C (43°F)26 mm (1.0 inches)87%moderate
December Weather1°C (35°F)51 mm (2.0 inches)88%low

Compare Rosu's Climate with Cities Worldwide