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September Weather in Stei, Romania

Last updated: August 27, 2025

In September, the average temperature in Stei, Romania hovers around 15°C (59°F), with fluctuations ranging from a brisk -2°C (28°F) to a warm 29°C (84°F). Expect about 73 mm (2.9 in) of precipitation spread over 8 days, and enjoy a comfortable average humidity of 68%.

September Temperature in Stei

In September in Stei, the average temperature is 15°C (59°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop as low as -2°C (28°F). Be prepared for a wide range of temperatures when traveling to Stei during this time.

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

The chart illustrates September temperature patterns in Stei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stei, September typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (84°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec283539485664666859504334
Data source: Temperature data for Stei 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 Stei

In Stei in September, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

September Precipitation Trends in Stei

The chart displays monthly precipitation patterns in Stei, 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 Stei, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec738374671371458460736765109
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Stei

In Stei in September, humidity is 68%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls and sightseeing, but travelers should be prepared for occasional discomfort as the mugginess can dampen outdoor activities.

September Average Humidity in Stei

This chart illustrates the average monthly humidity levels in Stei, 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 Stei is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%83%75%72%72%71%62%68%84%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Stei

In Stei 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 Stei.

Maximum UV Index Levels in Stei for September

The chart shows the monthly maximum UV Index (UVI) for Stei 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 Stei typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: Stei 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 Stei Compares to Other Months

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

This table compares monthly weather conditions in Stei, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)73 mm (2.9 inches)89%low
February Weather1°C (35°F)83 mm (3.3 inches)87%moderate
March Weather4°C (40°F)74 mm (2.9 inches)83%moderate
April Weather9°C (48°F)67 mm (2.6 inches)75%high
May Weather13°C (56°F)137 mm (5.4 inches)72%very high
June Weather18°C (65°F)144 mm (5.7 inches)72%very high
July Weather19°C (67°F)84 mm (3.3 inches)71%very high
August Weather20°C (68°F)60 mm (2.4 inches)62%very high
September Weather15°C (59°F)73 mm (2.9 inches)68%high
October Weather10°C (51°F)67 mm (2.6 inches)84%moderate
November Weather6°C (43°F)65 mm (2.5 inches)90%moderate
December Weather1°C (35°F)109 mm (4.3 inches)92%low

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