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September Weather in Iaz, Romania

Last updated: August 27, 2025

In September, the average temperature in Iaz, Romania hovers around 16°C (61°F). Expect a minimum of -2°C (29°F) and a maximum of 30°C (86°F), showcasing a wide range of weather. During this month, you can anticipate 61 mm (2.4 in) of precipitation spread over 8 days, contributing to an average humidity level of 67%.

September Temperature in Iaz

In September in Iaz, the average temperature is 16°C (61°F). The maximum can reach 30°C (86°F) and the minimum can be as low as -2°C (29°F). This weather makes it a great time for travelers to experience a range of outdoor activities, from enjoying warm days to embracing cooler evenings.

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

The chart illustrates September temperature patterns in Iaz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iaz, September typically has an average temperature of 16°C (61°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec303641495765686960524435
Data source: Temperature data for Iaz 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 Iaz

In Iaz in September, the precipitation amount is 61 mm (2.4 in) distributed over 8 days.

September Precipitation Trends in Iaz

The chart displays monthly precipitation patterns in Iaz, 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 Iaz, September typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec677375721341379977617157107
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Iaz

In Iaz in September humidity is 67%. With average temperature 16°C (61°F), this humidity feels like a warm embrace that can make outdoor activities slightly uncomfortable, requiring travelers to stay hydrated and take frequent breaks in shaded areas.

September Average Humidity in Iaz

This chart illustrates the average monthly humidity levels in Iaz, 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 Iaz is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%82%73%74%70%70%59%67%83%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Iaz

In Iaz 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 Iaz.

Maximum UV Index Levels in Iaz for September

The chart shows the monthly maximum UV Index (UVI) for Iaz 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 Iaz typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245689987532
Data source: Iaz 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 Iaz Compares to Other Months

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

This table compares monthly weather conditions in Iaz, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)67 mm (2.6 inches)89%low
February Weather2°C (37°F)73 mm (2.9 inches)86%moderate
March Weather5°C (41°F)75 mm (3.0 inches)82%moderate
April Weather10°C (50°F)72 mm (2.8 inches)73%high
May Weather14°C (57°F)134 mm (5.3 inches)74%very high
June Weather18°C (65°F)137 mm (5.4 inches)70%very high
July Weather20°C (68°F)99 mm (3.9 inches)70%very high
August Weather21°C (69°F)77 mm (3.0 inches)59%very high
September Weather16°C (61°F)61 mm (2.4 inches)67%high
October Weather11°C (52°F)71 mm (2.8 inches)82%moderate
November Weather7°C (44°F)57 mm (2.3 inches)89%moderate
December Weather2°C (36°F)107 mm (4.2 inches)91%low

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