September Weather in Sioni, Georgia

Last updated: August 23, 2025

In Sioni, Georgia, the average temperature in September hovers around 9°C (48°F), with a minimum dipping to -5°C (23°F) and a maximum soaring to 22°C (72°F). Expect 74 mm (2.9 in) of precipitation spread over about 12 days, and enjoy the moderate average humidity of 60%.

September Temperature in Sioni

In September in Sioni, the average temperature is 9°C (48°F), with maximums reaching 22°C (72°F) and minimums dipping as low as -5°C (23°F). It's a great time for outdoor activities, so be sure to pack layers for varying conditions during your travels!

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

The chart illustrates September temperature patterns in Sioni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sioni, September typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (72°F) and lows dropping to around -5°C (23°F).

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

September Precipitation in Sioni

In Sioni in September, the precipitation amount is 74 mm (2.9 in) over a span of 12 days.

September Precipitation Trends in Sioni

The chart displays monthly precipitation patterns in Sioni, 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 Sioni, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 12 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 Sioni

In Sioni in September humidity is 60%. With an average temperature of 9°C (48°F), this humidity feels like a cool, damp embrace that can make outdoor activities a bit uncomfortable, requiring travelers to layer up and be prepared for a chill in the air.

September Average Humidity in Sioni

This chart illustrates the average monthly humidity levels in Sioni, 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 Sioni is approximately 60%, 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 Sioni

In Sioni 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 Sioni.

Maximum UV Index Levels in Sioni for September

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

Data source: Sioni 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 Sioni Compares to Other Months

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

This table compares monthly weather conditions in Sioni, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	42 mm (1.6 inches)	85%	moderate
February Weather	-8°C (17°F)	43 mm (1.7 inches)	86%	moderate
March Weather	-6°C (22°F)	88 mm (3.5 inches)	84%	very high
April Weather	0°C (32°F)	104 mm (4.1 inches)	78%	very high
May Weather	5°C (41°F)	145 mm (5.7 inches)	76%	very high
June Weather	10°C (51°F)	124 mm (4.9 inches)	79%	extreme
July Weather	13°C (56°F)	96 mm (3.8 inches)	75%	extreme
August Weather	13°C (55°F)	72 mm (2.8 inches)	60%	very high
September Weather	9°C (48°F)	74 mm (2.9 inches)	60%	very high
October Weather	3°C (37°F)	65 mm (2.6 inches)	80%	high
November Weather	-3°C (26°F)	47 mm (1.8 inches)	86%	moderate
December Weather	-7°C (19°F)	50 mm (2.0 inches)	87%	low