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September Weather in Ilisua, Romania

Last updated: August 27, 2025

In Ilisua, Romania, the average temperature in September hovers around 15°C (60°F), offering a mild climate for residents and visitors alike. However, be prepared for temperature fluctuations, as the mercury can dip to a minimum of 0°C (32°F) and soar to a maximum of 30°C (85°F). This month also sees 66 mm (2.6 in) of precipitation spread over 8 days, contributing to an average humidity of 64%. Make sure to pack accordingly!

September Temperature in Ilisua

In September in Ilisua, the average temperature is 15°C (60°F). Maximum temperatures can reach 30°C (85°F), while minimums can drop as low as 0°C (32°F). This climate makes Ilisua an ideal destination for travelers looking for a mix of pleasant warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Ilisua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ilisua, September typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (85°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec263339495766676959504133
Data source: Temperature data for Ilisua 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 Ilisua

In Ilisua in September, the total precipitation amount is 66 mm (2.6 in) over the course of 8 days.

September Precipitation Trends in Ilisua

The chart displays monthly precipitation patterns in Ilisua, 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 Ilisua, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec477161571231151046266574781
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ilisua

In Ilisua in September humidity is 64%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace, creating a slightly sticky atmosphere that can make outdoor activities more challenging but also adds a refreshing edge to leisurely strolls.

September Average Humidity in Ilisua

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

In Ilisua 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 Ilisua.

Maximum UV Index Levels in Ilisua for September

The chart shows the monthly maximum UV Index (UVI) for Ilisua 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 Ilisua typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987422
Data source: Ilisua 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 Ilisua Compares to Other Months

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

This table compares monthly weather conditions in Ilisua, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)47 mm (1.9 inches)93%low
February Weather0°C (33°F)71 mm (2.8 inches)88%moderate
March Weather4°C (40°F)61 mm (2.4 inches)86%moderate
April Weather9°C (49°F)57 mm (2.2 inches)79%high
May Weather14°C (58°F)123 mm (4.8 inches)71%very high
June Weather19°C (66°F)115 mm (4.5 inches)71%very high
July Weather20°C (67°F)104 mm (4.1 inches)64%very high
August Weather20°C (69°F)62 mm (2.4 inches)55%very high
September Weather15°C (60°F)66 mm (2.6 inches)64%high
October Weather10°C (50°F)57 mm (2.2 inches)83%moderate
November Weather5°C (42°F)47 mm (1.8 inches)91%low
December Weather1°C (34°F)81 mm (3.2 inches)92%low

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