September Weather in Celei, Romania

Last updated: August 27, 2025

In Celei, Romania, the average temperature in September is a mild 16°C (62°F). However, be prepared for a range of temperatures, as the minimum can drop to -2°C (29°F) while the maximum can soar to 31°C (88°F). With an average precipitation of 27 mm (1.1 in) spread over 4 days, and an average humidity of 58%, this month offers a diverse climate experience.

September Temperature in Celei

In September in Celei, the average temperature is 16°C (62°F). The maximum can reach 31°C (88°F), and the minimum can be as low as -2°C (29°F). This makes it advisable for travelers to pack for both warm and chilly conditions while exploring.

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

The chart illustrates September temperature patterns in Celei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Celei, September typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (29°F).

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

September Precipitation in Celei

In Celei in September, the total precipitation amount is 27 mm (1.1 in) over a span of 4 days.

September Precipitation Trends in Celei

The chart displays monthly precipitation patterns in Celei, 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 Celei, September typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 4 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 Celei

In Celei 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 Celei

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

In Celei 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 Celei.

Maximum UV Index Levels in Celei for September

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

Data source: Celei 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 Celei Compares to Other Months

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

This table compares monthly weather conditions in Celei, 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)	65 mm (2.6 inches)	91%	low
February Weather	2°C (35°F)	63 mm (2.5 inches)	86%	moderate
March Weather	5°C (41°F)	75 mm (3.0 inches)	83%	high
April Weather	10°C (50°F)	59 mm (2.3 inches)	74%	high
May Weather	15°C (58°F)	126 mm (5.0 inches)	70%	very high
June Weather	19°C (66°F)	89 mm (3.5 inches)	67%	very high
July Weather	20°C (69°F)	84 mm (3.3 inches)	65%	very high
August Weather	21°C (70°F)	42 mm (1.6 inches)	51%	very high
September Weather	16°C (62°F)	27 mm (1.1 inches)	58%	high
October Weather	11°C (51°F)	62 mm (2.5 inches)	80%	moderate
November Weather	6°C (43°F)	101 mm (4.0 inches)	88%	moderate
December Weather	2°C (35°F)	113 mm (4.4 inches)	90%	low