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September Weather in Oncesti, Romania

Last updated: August 27, 2025

In Oncesti, Romania, the average temperature in September hovers around 17°C (64°F). You can expect a minimum of 0°C (33°F) and a maximum of 33°C (92°F). With an average humidity of 62%, prepare for some moisture in the air. During this month, anticipate about 31 mm (1.2 in) of precipitation spread across 5 days.

September Temperature in Oncesti

In September in Oncesti, the average temperature is 17°C (64°F). Maximums can reach 33°C (92°F) and minimums can be as low as 0°C (33°F). Overall, it’s advisable to pack layers to comfortably enjoy the varied temperatures while traveling.

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

The chart illustrates September temperature patterns in Oncesti, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oncesti, September typically has an average temperature of 17°C (64°F), with highs reaching up to 33°C (92°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec303441516169717263534234
Data source: Temperature data for Oncesti 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 Oncesti

In Oncesti in September, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

September Precipitation Trends in Oncesti

The chart displays monthly precipitation patterns in Oncesti, 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 Oncesti, September typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2635393861125733431383154
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Oncesti

In Oncesti in September humidity is 62%. With an average temperature of 17°C (64°F), this humidity feels like a refreshing embrace, making for pleasant travel conditions that invigorate the senses while encouraging leisurely strolls and outdoor exploration.

September Average Humidity in Oncesti

This chart illustrates the average monthly humidity levels in Oncesti, 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 Oncesti is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%88%86%79%73%73%69%56%62%81%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oncesti

In Oncesti 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 Oncesti.

Maximum UV Index Levels in Oncesti for September

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

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

This table compares monthly weather conditions in Oncesti, 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)92%low
February Weather1°C (34°F)35 mm (1.4 inches)88%moderate
March Weather5°C (41°F)39 mm (1.5 inches)86%moderate
April Weather10°C (51°F)38 mm (1.5 inches)79%high
May Weather16°C (61°F)61 mm (2.4 inches)73%very high
June Weather20°C (69°F)125 mm (4.9 inches)73%very high
July Weather22°C (71°F)73 mm (2.9 inches)68%very high
August Weather22°C (72°F)34 mm (1.4 inches)56%very high
September Weather17°C (64°F)31 mm (1.2 inches)62%high
October Weather12°C (53°F)38 mm (1.5 inches)80%moderate
November Weather6°C (43°F)31 mm (1.2 inches)89%moderate
December Weather1°C (35°F)54 mm (2.1 inches)90%low

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