September Weather in Gelu, Romania

Last updated: August 27, 2025

In September, the average temperature in Gelu, Romania is a pleasant 18°C (65°F). However, temperatures can vary significantly, with a minimum of 3°C (38°F) and a maximum of 34°C (94°F). Expect a total precipitation of 51 mm (2.0 in) spread over about 7 days, coupled with an average humidity level of 64%.

September Temperature in Gelu

In September in Gelu, the average temperature is 18°C (65°F). Maximums can reach 34°C (94°F) and minimums can be as low as 3°C (38°F). This diverse temperature range makes Gelu an ideal destination for travelers looking to experience both warm and cool weather activities.

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

The chart illustrates September temperature patterns in Gelu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gelu, September typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for Gelu generated using information from the Copernicus Climate Change Service.

September Precipitation in Gelu

In Gelu in September, the precipitation amount is 51 mm (2.0 in) over a period of 7 days.

September Precipitation Trends in Gelu

The chart displays monthly precipitation patterns in Gelu, 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 Gelu, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Gelu

In Gelu in September humidity is 64%. With an average temperature of 18°C (65°F), this humidity feels like a gentle embrace, perfect for leisurely strolls yet slightly sticky, reminding travelers to stay hydrated and take breaks in the shade.

September Average Humidity in Gelu

This chart illustrates the average monthly humidity levels in Gelu, 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 Gelu is approximately 64%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gelu

In Gelu in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Gelu, you can refer to this Hourly UV Index in Gelu.

Maximum UV Index Levels in Gelu for September

The chart shows the monthly maximum UV Index (UVI) for Gelu 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 Gelu typically reaches 6, which falls under the high exposure category.

Data source: Gelu 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 Gelu Compares to Other Months

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

This table compares monthly weather conditions in Gelu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	49 mm (1.9 inches)	93%	low
February Weather	3°C (38°F)	66 mm (2.6 inches)	88%	moderate
March Weather	6°C (44°F)	48 mm (1.9 inches)	86%	moderate
April Weather	12°C (54°F)	53 mm (2.1 inches)	79%	high
May Weather	17°C (62°F)	86 mm (3.4 inches)	71%	very high
June Weather	22°C (72°F)	94 mm (3.7 inches)	71%	very high
July Weather	23°C (73°F)	85 mm (3.3 inches)	64%	very high
August Weather	24°C (75°F)	49 mm (1.9 inches)	55%	very high
September Weather	18°C (65°F)	51 mm (2.0 inches)	64%	high
October Weather	13°C (55°F)	52 mm (2.0 inches)	83%	moderate
November Weather	8°C (46°F)	51 mm (2.0 inches)	91%	low
December Weather	3°C (37°F)	81 mm (3.2 inches)	92%	low