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September Weather in Hartop, Romania

Last updated: August 27, 2025

In September, the average temperature in Hartop, Romania is a mild 16°C (60°F). While temperatures can dip as low as 1°C (33°F), they can also rise to a warm 33°C (92°F). Visitors can expect approximately 42 mm (1.7 in) of precipitation spread over 7 days, with an average humidity level of 62%.

September Temperature in Hartop

In September in Hartop, the average temperature is 16°C (60°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 1°C (33°F). This diverse temperature range makes it essential for travelers to pack accordingly to enjoy both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Hartop, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartop, September typically has an average temperature of 16°C (60°F), with highs reaching up to 33°C (92°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec293339495866686960514033
Data source: Temperature data for Hartop 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 Hartop

In Hartop in September, the total precipitation amount is 42 mm (1.7 in) over the course of 7 days.

September Precipitation Trends in Hartop

The chart displays monthly precipitation patterns in Hartop, 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 Hartop, September typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2542474387120836242323455
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hartop

In Hartop in September, humidity is 62%. With an average temperature of 16°C (60°F), this humidity feels like a damp embrace, making travel slightly uncomfortable as the air can feel heavier and more stifling, potentially leading to a lingering sense of stickiness while exploring.

September Average Humidity in Hartop

This chart illustrates the average monthly humidity levels in Hartop, 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 Hartop is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%88%86%79%73%73%69%56%62%81%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hartop

In Hartop 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 Hartop.

Maximum UV Index Levels in Hartop for September

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

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

This table compares monthly weather conditions in Hartop, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)25 mm (1.0 inches)92%low
February Weather0°C (33°F)42 mm (1.7 inches)88%moderate
March Weather4°C (39°F)47 mm (1.9 inches)86%moderate
April Weather9°C (49°F)42 mm (1.7 inches)79%high
May Weather14°C (58°F)87 mm (3.4 inches)73%very high
June Weather19°C (66°F)120 mm (4.7 inches)73%very high
July Weather20°C (68°F)83 mm (3.3 inches)68%very high
August Weather20°C (69°F)62 mm (2.4 inches)56%very high
September Weather16°C (60°F)42 mm (1.7 inches)62%high
October Weather10°C (51°F)32 mm (1.3 inches)80%moderate
November Weather5°C (40°F)33 mm (1.3 inches)89%moderate
December Weather0°C (33°F)54 mm (2.1 inches)90%low

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