September Weather in Sision, Greece

Last updated: August 23, 2025

In September, the average temperature in Sision, Greece is a pleasant 24°C (76°F). Expect temperatures to range from a cool 16°C (61°F) to a warm 38°C (100°F). With an average humidity of 80%, it's a great time to enjoy the climate, even though you might encounter 10 mm (0.4 in) of precipitation over about 1 day.

September Temperature in Sision

In September in Sision, the average temperature is 24°C (76°F). The maximum can reach 38°C (100°F), while the minimum can drop to as low as 16°C (61°F). Be prepared for warm weather, as well as the possibility of cooler evenings when planning your visit.

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

The chart illustrates September temperature patterns in Sision, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sision, September typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (100°F) and lows dropping to around 16°C (61°F).

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

September Precipitation in Sision

In Sision in September, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

September Precipitation Trends in Sision

The chart displays monthly precipitation patterns in Sision, 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 Sision, September typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 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 Sision

In Sision in September humidity is 80%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors quite draining, so it's essential to stay hydrated and take breaks in the shade while traveling.

September Average Humidity in Sision

This chart illustrates the average monthly humidity levels in Sision, 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 Sision is approximately 80%, 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 Sision

In Sision in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sision.

Maximum UV Index Levels in Sision for September

The chart shows the monthly maximum UV Index (UVI) for Sision 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 Sision typically reaches 9, which falls under the very high exposure category.

Data source: Sision 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 Sision Compares to Other Months

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

This table compares monthly weather conditions in Sision, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	44 mm (1.7 inches)	72%	moderate
February Weather	12°C (54°F)	50 mm (2.0 inches)	72%	moderate
March Weather	13°C (56°F)	48 mm (1.9 inches)	75%	high
April Weather	16°C (62°F)	24 mm (1.0 inches)	79%	very high
May Weather	21°C (70°F)	29 mm (1.1 inches)	85%	very high
June Weather	24°C (76°F)	17 mm (0.7 inches)	84%	extreme
July Weather	26°C (80°F)	13 mm (0.5 inches)	83%	very high
August Weather	26°C (80°F)	7 mm (0.3 inches)	81%	very high
September Weather	24°C (76°F)	10 mm (0.4 inches)	80%	very high
October Weather	20°C (69°F)	24 mm (0.9 inches)	77%	high
November Weather	17°C (63°F)	43 mm (1.7 inches)	73%	moderate
December Weather	13°C (56°F)	49 mm (1.9 inches)	72%	moderate