September Weather in Roby, United States

Last updated: June 24, 2025

In September, the average temperature in Roby, United States hovers around 25°C (77°F). However, temperatures can range from a chilly 7°C (45°F) to a scorching 39°C (102°F). During this time, you can expect approximately 55 mm (2.2 in) of rainfall spread over about 6 days, with an average humidity level of 69%. Prepare for a mix of warm days and refreshing showers!

September Temperature in Roby

In September in Roby, the average temperature is 25°C (77°F). Maximum can reach 39°C (102°F) and minimum can be as low as 7°C (45°F). It's a great time for travelers to enjoy warm days while being prepared for cooler evenings.

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

The chart illustrates September temperature patterns in Roby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roby, September typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (102°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Roby

In Roby in September, the total precipitation amount is 55 mm (2.2 in) spread over 6 days.

September Precipitation Trends in Roby

The chart displays monthly precipitation patterns in Roby, 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 Roby, September typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 6 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 Roby

In Roby in September humidity is 69%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket enveloping you, making every step feel slightly sluggish and encouraging frequent breaks to enjoy refreshing beverages and cool breezes.

September Average Humidity in Roby

This chart illustrates the average monthly humidity levels in Roby, 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 Roby is approximately 69%, 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 Roby

In Roby in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Roby.

Maximum UV Index Levels in Roby for September

The chart shows the monthly maximum UV Index (UVI) for Roby 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 Roby typically reaches 10, which falls under the very high exposure category.

Data source: Roby 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 Roby Compares to Other Months

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

This table compares monthly weather conditions in Roby, 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 (45°F)	22 mm (0.9 inches)	75%	moderate
February Weather	8°C (47°F)	22 mm (0.9 inches)	74%	high
March Weather	15°C (59°F)	41 mm (1.6 inches)	66%	very high
April Weather	18°C (65°F)	62 mm (2.5 inches)	70%	extreme
May Weather	24°C (75°F)	85 mm (3.3 inches)	75%	extreme
June Weather	28°C (82°F)	52 mm (2.1 inches)	79%	extreme
July Weather	29°C (85°F)	22 mm (0.9 inches)	78%	extreme
August Weather	29°C (84°F)	26 mm (1.0 inches)	71%	extreme
September Weather	25°C (77°F)	55 mm (2.2 inches)	69%	very high
October Weather	19°C (66°F)	61 mm (2.4 inches)	70%	very high
November Weather	12°C (54°F)	26 mm (1.0 inches)	82%	high
December Weather	9°C (49°F)	20 mm (0.8 inches)	82%	moderate