September Weather in Deal, Romania

Last updated: August 27, 2025

In September, the average temperature in Deal, Romania hovers around 14°C (57°F). Visitors can expect a minimum chill of -3°C (27°F), with highs reaching up to 29°C (84°F). Precipitation averages 80 mm (3.1 in) over approximately 11 days, and humidity stays at a comfortable 58%. Perfect for those looking to experience diverse weather conditions!

September Temperature in Deal

In September in Deal, the average temperature is 14°C (57°F). Maximums can reach 29°C (84°F), while minimums can drop as low as -3°C (27°F). It's advisable to pack a mix of clothing to prepare for both warm days and chilly nights during your travels.

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

The chart illustrates September temperature patterns in Deal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deal, September typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (27°F).

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

September Precipitation in Deal

In Deal in September, the precipitation amount is 80 mm (3.1 in) spread over a duration of 11 days.

September Precipitation Trends in Deal

The chart displays monthly precipitation patterns in Deal, 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 Deal, September typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 11 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 Deal

In Deal in September humidity is 58%. With an average temperature of 14°C (57°F), this humidity feels like a refreshing embrace, making it comfortable for traveling as long as you stay hydrated and wear breathable clothing.

September Average Humidity in Deal

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

In Deal 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 Deal.

Maximum UV Index Levels in Deal for September

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

Data source: Deal 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 Deal Compares to Other Months

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

This table compares monthly weather conditions in Deal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	49 mm (1.9 inches)	91%	low
February Weather	0°C (32°F)	68 mm (2.7 inches)	86%	moderate
March Weather	2°C (36°F)	81 mm (3.2 inches)	83%	high
April Weather	7°C (45°F)	76 mm (3.0 inches)	74%	high
May Weather	12°C (54°F)	174 mm (6.9 inches)	70%	very high
June Weather	16°C (62°F)	175 mm (6.9 inches)	67%	very high
July Weather	18°C (64°F)	153 mm (6.0 inches)	65%	very high
August Weather	19°C (66°F)	122 mm (4.8 inches)	51%	very high
September Weather	14°C (57°F)	80 mm (3.1 inches)	58%	high
October Weather	9°C (49°F)	62 mm (2.4 inches)	80%	moderate
November Weather	5°C (41°F)	56 mm (2.2 inches)	88%	moderate
December Weather	0°C (32°F)	94 mm (3.7 inches)	90%	low