September Weather in Royston, United States

Last updated: June 24, 2025

In September, the average temperature in Royston, United States is a pleasant 24°C (76°F), with lows dipping to 11°C (51°F) and highs reaching up to 36°C (96°F). Expect a moderate precipitation amount of 118 mm (4.7 in) spread across 9 days, contributing to an average humidity level of 76%. Perfect weather for exploring!

September Temperature in Royston

In September in Royston, the average temperature is 24°C (76°F). The maximum can reach 36°C (96°F), and the minimum can be as low as 11°C (51°F). This makes it an ideal time for travelers seeking warm weather and a comfortable climate for outdoor activities.

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

The chart illustrates September temperature patterns in Royston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Royston, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (96°F) and lows dropping to around 11°C (51°F).

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

September Precipitation in Royston

In Royston in September, the precipitation amount is 118 mm (4.7 in), occurring over a span of 9 days.

September Precipitation Trends in Royston

The chart displays monthly precipitation patterns in Royston, 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 Royston, September typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 9 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 Royston

In Royston in September, humidity is 76%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace that can quickly lead to discomfort for traveling, making long walks and outdoor activities feel exhausting and sticky.

September Average Humidity in Royston

This chart illustrates the average monthly humidity levels in Royston, 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 Royston is approximately 76%, 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 Royston

In Royston 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 Royston.

Maximum UV Index Levels in Royston for September

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

Data source: Royston 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 Royston Compares to Other Months

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

This table compares monthly weather conditions in Royston, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	105 mm (4.1 inches)	86%	moderate
February Weather	10°C (51°F)	138 mm (5.4 inches)	86%	high
March Weather	13°C (56°F)	110 mm (4.3 inches)	86%	very high
April Weather	17°C (63°F)	115 mm (4.5 inches)	82%	very high
May Weather	22°C (72°F)	131 mm (5.2 inches)	85%	extreme
June Weather	25°C (77°F)	103 mm (4.1 inches)	85%	extreme
July Weather	27°C (81°F)	105 mm (4.1 inches)	83%	extreme
August Weather	26°C (80°F)	128 mm (5.1 inches)	76%	very high
September Weather	24°C (76°F)	118 mm (4.7 inches)	76%	very high
October Weather	19°C (67°F)	125 mm (4.9 inches)	80%	very high
November Weather	12°C (53°F)	85 mm (3.4 inches)	88%	high
December Weather	9°C (49°F)	128 mm (5.1 inches)	88%	moderate