September Weather in Java, Georgia

Last updated: August 23, 2025

In September, the average temperature in Java, Georgia hovers around 10°C (51°F). Expect a range from a chilly -5°C (24°F) to a pleasant 24°C (75°F). During this month, anticipate about 68 mm (2.7 in) of precipitation spread over 10 days, with an average humidity of 60%.

September Temperature in Java

In September in Java, the average temperature is 10°C (51°F). The maximum can reach 24°C (75°F), and the minimum can be as low as -5°C (24°F). This diverse temperature range makes Java an interesting destination for travelers, providing opportunities for both warm-weather activities and chilly adventures.

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

The chart illustrates September temperature patterns in Java, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Java, September typically has an average temperature of 10°C (51°F), with highs reaching up to 24°C (75°F) and lows dropping to around -5°C (24°F).

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

September Precipitation in Java

In Java in September, the precipitation amount is 68 mm (2.7 in) over a span of 10 days.

September Precipitation Trends in Java

The chart displays monthly precipitation patterns in Java, 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 Java, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Java

In Java in September humidity is 60%. With an average temperature of 10°C (51°F), this humidity feels like a brisk, damp chill that clings to your skin, prompting you to bundle up while exploring, but also inviting you to enjoy cozy cafés and warm meals during your travels.

September Average Humidity in Java

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

In Java 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 Java.

Maximum UV Index Levels in Java for September

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

Data source: Java 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 Java Compares to Other Months

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

This table compares monthly weather conditions in Java, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	62 mm (2.5 inches)	85%	moderate
February Weather	-6°C (21°F)	77 mm (3.0 inches)	86%	moderate
March Weather	-4°C (26°F)	113 mm (4.4 inches)	84%	very high
April Weather	1°C (35°F)	98 mm (3.9 inches)	78%	very high
May Weather	6°C (43°F)	117 mm (4.6 inches)	76%	very high
June Weather	12°C (54°F)	90 mm (3.5 inches)	79%	extreme
July Weather	15°C (59°F)	71 mm (2.8 inches)	75%	extreme
August Weather	14°C (58°F)	55 mm (2.2 inches)	60%	very high
September Weather	10°C (51°F)	68 mm (2.7 inches)	60%	very high
October Weather	5°C (40°F)	77 mm (3.0 inches)	80%	high
November Weather	-2°C (30°F)	69 mm (2.7 inches)	86%	moderate
December Weather	-5°C (23°F)	77 mm (3.0 inches)	87%	moderate