September Weather in Altana, Romania

Last updated: August 27, 2025

In September, the average temperature in Altana, Romania hovers around 16°C (62°F). Expect a broad range, with minimums dipping to -1°C (30°F) and highs soaring to 32°C (90°F). Rainfall averages 49 mm (1.9 in) spread over 8 days, complemented by an average humidity of 58%.

September Temperature in Altana

In September in Altana, the average temperature is 16°C (62°F). The maximum can reach 32°C (90°F), while the minimum can be as low as -1°C (30°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Altana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altana, September typically has an average temperature of 16°C (62°F), with highs reaching up to 32°C (90°F) and lows dropping to around -1°C (30°F).

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

September Precipitation in Altana

In Altana in September, the precipitation amount is 49 mm (1.9 in) spread over 8 days.

September Precipitation Trends in Altana

The chart displays monthly precipitation patterns in Altana, 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 Altana, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 8 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 Altana

In Altana in September humidity is 58%. With average temperature 16°C (62°F), this humidity feels like a mild blanket wrapping around you, making it comfortable for exploring, but you may want to take breaks to stay refreshed as you enjoy the sights.

September Average Humidity in Altana

This chart illustrates the average monthly humidity levels in Altana, 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 Altana is approximately 58%, 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 Altana

In Altana 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 Altana.

Maximum UV Index Levels in Altana for September

The chart shows the monthly maximum UV Index (UVI) for Altana 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 Altana typically reaches 7, which falls under the high exposure category.

Data source: Altana 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 Altana Compares to Other Months

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

This table compares monthly weather conditions in Altana, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	35 mm (1.4 inches)	91%	low
February Weather	2°C (36°F)	51 mm (2.0 inches)	86%	moderate
March Weather	5°C (42°F)	65 mm (2.6 inches)	83%	moderate
April Weather	10°C (51°F)	51 mm (2.0 inches)	74%	high
May Weather	15°C (59°F)	117 mm (4.6 inches)	70%	very high
June Weather	19°C (67°F)	120 mm (4.7 inches)	67%	very high
July Weather	20°C (69°F)	90 mm (3.5 inches)	65%	very high
August Weather	21°C (71°F)	63 mm (2.5 inches)	51%	very high
September Weather	16°C (62°F)	49 mm (1.9 inches)	58%	high
October Weather	11°C (52°F)	51 mm (2.0 inches)	80%	moderate
November Weather	6°C (43°F)	38 mm (1.5 inches)	88%	moderate
December Weather	2°C (35°F)	73 mm (2.9 inches)	90%	low