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September Weather in Lupeni, Romania

Last updated: August 27, 2025

In September, the average temperature in Lupeni, Romania hovers around 15°C (58°F), providing a pleasant climate. However, be prepared for temperature fluctuations; it can dip as low as -3°C (28°F) and reach a maximum of 29°C (85°F). Expect about 36 mm (1.4 in) of precipitation spread over 7 days, contributing to an average humidity level of 58%.

September Temperature in Lupeni

In September, in Lupeni, the average temperature is 15°C (58°F). Maximums can reach 29°C (85°F), while minimums can drop to as low as -3°C (28°F). Be prepared for a wide range of temperatures when traveling to Lupeni this month.

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

The chart illustrates September temperature patterns in Lupeni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lupeni, September typically has an average temperature of 15°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec283439465563656658484133
Data source: Temperature data for Lupeni 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 Lupeni

In Lupeni in September, the total precipitation amount is 36 mm (1.4 in) over a span of 7 days.

September Precipitation Trends in Lupeni

The chart displays monthly precipitation patterns in Lupeni, 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 Lupeni, September typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec596277671361099155365780102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lupeni

In Lupeni in September, humidity is 58%. With an average temperature of 15°C (58°F), this humidity feels like a refreshing yet slightly damp experience for traveling, making it ideal for exploring, as long as you stay hydrated and wear comfortable clothing.

September Average Humidity in Lupeni

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

In Lupeni 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 Lupeni.

Maximum UV Index Levels in Lupeni for September

The chart shows the monthly maximum UV Index (UVI) for Lupeni 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 Lupeni typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236789997532
Data source: Lupeni 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 Lupeni Compares to Other Months

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

This table compares monthly weather conditions in Lupeni, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)59 mm (2.3 inches)91%low
February Weather1°C (34°F)62 mm (2.4 inches)86%moderate
March Weather4°C (39°F)77 mm (3.0 inches)83%high
April Weather8°C (47°F)67 mm (2.6 inches)74%high
May Weather13°C (55°F)136 mm (5.3 inches)70%very high
June Weather17°C (63°F)109 mm (4.3 inches)67%very high
July Weather18°C (65°F)91 mm (3.6 inches)65%very high
August Weather19°C (67°F)55 mm (2.2 inches)51%very high
September Weather15°C (58°F)36 mm (1.4 inches)58%high
October Weather9°C (49°F)57 mm (2.2 inches)80%moderate
November Weather5°C (41°F)80 mm (3.2 inches)88%moderate
December Weather1°C (33°F)102 mm (4.0 inches)90%low

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