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September Weather in Sieut, Romania

Last updated: August 27, 2025

In September, the average temperature in Sieut, Romania hovers around 14°C (58°F). Prepare for a range of temperatures that can dip as low as -1°C (30°F) and soar to a pleasant 29°C (84°F). Expect around 73 mm (2.9 in) of precipitation over 10 days, complemented by an average humidity level of 64%.

September Temperature in Sieut

In September in Sieut, the average temperature is 14°C (58°F), with maximums reaching 29°C (84°F) and minimums dipping as low as -1°C (30°F). This climate varies significantly, so travelers should be prepared for both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Sieut, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sieut, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (84°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec263237475564656757484032
Data source: Temperature data for Sieut 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 Sieut

In Sieut in September, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

September Precipitation Trends in Sieut

The chart displays monthly precipitation patterns in Sieut, 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 Sieut, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec477660571351461197573633688
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sieut

In Sieut in September, humidity is 64%. With an average temperature of 14°C (58°F), this humidity feels like a refreshing embrace, making travel comfortable but slightly sticky, and occasionally necessitating a light jacket when the breeze picks up.

September Average Humidity in Sieut

This chart illustrates the average monthly humidity levels in Sieut, 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 Sieut is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%88%87%79%71%71%64%55%64%83%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sieut

In Sieut 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 Sieut.

Maximum UV Index Levels in Sieut for September

The chart shows the monthly maximum UV Index (UVI) for Sieut 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 Sieut typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987432
Data source: Sieut 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 Sieut Compares to Other Months

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

This table compares monthly weather conditions in Sieut, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)47 mm (1.8 inches)93%low
February Weather0°C (32°F)76 mm (3.0 inches)88%moderate
March Weather3°C (38°F)60 mm (2.3 inches)86%moderate
April Weather8°C (47°F)57 mm (2.2 inches)79%high
May Weather13°C (56°F)135 mm (5.3 inches)71%very high
June Weather18°C (64°F)146 mm (5.8 inches)71%very high
July Weather18°C (65°F)119 mm (4.7 inches)64%very high
August Weather19°C (67°F)75 mm (3.0 inches)55%very high
September Weather14°C (58°F)73 mm (2.9 inches)64%high
October Weather9°C (49°F)63 mm (2.5 inches)83%moderate
November Weather5°C (41°F)36 mm (1.4 inches)91%moderate
December Weather0°C (32°F)88 mm (3.5 inches)92%low

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