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September Weather in Plesa, Romania

Last updated: August 27, 2025

In September, the average temperature in Plesa, Romania is a pleasant 18°C (65°F). However, be prepared for a range of temperatures, as it can dip to a minimum of 1°C (34°F) and soar to a maximum of 34°C (94°F). With an average precipitation of 31 mm (1.2 in) over approximately 5 days, and an average humidity of 58%, this month offers a dynamic blend of weather patterns.

September Temperature in Plesa

In September in Plesa, the average temperature is 18°C (65°F), with maximums reaching up to 34°C (94°F) and minimums dipping as low as 1°C (34°F). Be prepared for a range of temperatures during your travels, bringing both lightweight clothing for the heat and warmer layers for the cooler moments.

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

The chart illustrates September temperature patterns in Plesa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plesa, September typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (94°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec313642526271737465544336
Data source: Temperature data for Plesa 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 Plesa

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

September Precipitation Trends in Plesa

The chart displays monthly precipitation patterns in Plesa, 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 Plesa, September typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec273638455396702931372952
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Plesa

In Plesa 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 Plesa

This chart illustrates the average monthly humidity levels in Plesa, 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 Plesa 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 Plesa

In Plesa 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 Plesa.

Maximum UV Index Levels in Plesa for September

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

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

This table compares monthly weather conditions in Plesa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)27 mm (1.1 inches)89%low
February Weather2°C (36°F)36 mm (1.4 inches)87%moderate
March Weather6°C (42°F)38 mm (1.5 inches)84%moderate
April Weather11°C (52°F)45 mm (1.8 inches)78%high
May Weather17°C (62°F)53 mm (2.1 inches)69%very high
June Weather21°C (71°F)96 mm (3.8 inches)69%very high
July Weather23°C (73°F)70 mm (2.8 inches)63%very high
August Weather23°C (74°F)29 mm (1.2 inches)50%very high
September Weather18°C (65°F)31 mm (1.2 inches)58%high
October Weather12°C (54°F)37 mm (1.5 inches)78%moderate
November Weather6°C (44°F)29 mm (1.2 inches)87%moderate
December Weather2°C (36°F)52 mm (2.0 inches)88%low

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