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September Weather in Optasi, Romania

Last updated: August 27, 2025

The average temperature in Optasi, Romania during September is a pleasant 19°C (67°F). Temperatures can fluctuate, with a minimum of 3°C (37°F) and a maximum reaching up to 36°C (97°F). Expect moderate precipitation of 20 mm (0.8 in) spread over 2 days, and enjoy an average humidity level of 58%.

September Temperature in Optasi

In September in Optasi, the average temperature is 19°C (67°F). Maximums can reach 36°C (97°F), and minimums can drop as low as 3°C (37°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Optasi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Optasi, September typically has an average temperature of 19°C (67°F), with highs reaching up to 36°C (97°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec323844546370747767554536
Data source: Temperature data for Optasi 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 Optasi

In Optasi in September, the precipitation amount is 20 mm (0.8 in) over the course of 2 days.

September Precipitation Trends in Optasi

The chart displays monthly precipitation patterns in Optasi, 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 Optasi, September typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec4137613981122784820564063
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Optasi

In Optasi in September, humidity is 58%. With an average temperature of 19°C (67°F), this humidity feels like a comfortable embrace, making it ideal for leisurely strolls and outdoor adventures, though you might want to stay hydrated as you explore.

September Average Humidity in Optasi

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

In Optasi 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 Optasi.

Maximum UV Index Levels in Optasi for September

The chart shows the monthly maximum UV Index (UVI) for Optasi 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 Optasi typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236789987532
Data source: Optasi 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 Optasi Compares to Other Months

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

This table compares monthly weather conditions in Optasi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)41 mm (1.6 inches)91%low
February Weather3°C (38°F)37 mm (1.5 inches)86%moderate
March Weather7°C (44°F)61 mm (2.4 inches)83%high
April Weather12°C (54°F)39 mm (1.5 inches)74%high
May Weather17°C (63°F)81 mm (3.2 inches)70%very high
June Weather21°C (71°F)122 mm (4.8 inches)67%very high
July Weather24°C (75°F)78 mm (3.1 inches)65%very high
August Weather25°C (77°F)48 mm (1.9 inches)51%very high
September Weather19°C (67°F)20 mm (0.8 inches)58%high
October Weather13°C (55°F)56 mm (2.2 inches)80%moderate
November Weather7°C (45°F)40 mm (1.6 inches)88%moderate
December Weather2°C (37°F)63 mm (2.5 inches)90%low

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