September Weather in Roscoe, United States

Last updated: June 24, 2025

The average temperature in Roscoe, United States during September is a pleasant 20°C (68°F). However, you can expect temperatures to vary, with minimums dipping to 4°C (39°F) and maximums reaching a balmy 33°C (92°F). Moreover, be prepared for 116 mm (4.6 in) of precipitation spread over about 10 days, and enjoy an average humidity of 68% for a truly immersive weather experience.

September Temperature in Roscoe

In September in Roscoe, the average temperature is 20°C (68°F). Maximum temperatures can reach up to 33°C (92°F), while minimums can drop as low as 4°C (39°F). It's a great time for travelers to enjoy mild weather and plan outdoor activities.

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

The chart illustrates September temperature patterns in Roscoe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roscoe, September typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Roscoe

In Roscoe in September, the total precipitation amount is 116 mm (4.6 in) over a span of 10 days.

September Precipitation Trends in Roscoe

The chart displays monthly precipitation patterns in Roscoe, 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 Roscoe, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 10 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 Roscoe

In Roscoe in September humidity is 68%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls while also prompting travelers to stay hydrated and seek out refreshing breaks from the heat.

September Average Humidity in Roscoe

This chart illustrates the average monthly humidity levels in Roscoe, 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 Roscoe is approximately 68%, 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 Roscoe

In Roscoe in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Roscoe.

Maximum UV Index Levels in Roscoe for September

The chart shows the monthly maximum UV Index (UVI) for Roscoe 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 Roscoe typically reaches 8, which falls under the very high exposure category.

Data source: Roscoe 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 Roscoe Compares to Other Months

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

This table compares monthly weather conditions in Roscoe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	90 mm (3.5 inches)	86%	moderate
February Weather	2°C (37°F)	131 mm (5.2 inches)	86%	moderate
March Weather	6°C (43°F)	116 mm (4.6 inches)	86%	high
April Weather	11°C (52°F)	129 mm (5.1 inches)	84%	very high
May Weather	17°C (63°F)	148 mm (5.8 inches)	78%	very high
June Weather	21°C (70°F)	164 mm (6.5 inches)	79%	very high
July Weather	24°C (75°F)	133 mm (5.2 inches)	70%	very high
August Weather	23°C (73°F)	97 mm (3.8 inches)	59%	very high
September Weather	20°C (68°F)	116 mm (4.6 inches)	68%	very high
October Weather	14°C (58°F)	117 mm (4.6 inches)	80%	high
November Weather	6°C (43°F)	88 mm (3.4 inches)	86%	moderate
December Weather	3°C (37°F)	120 mm (4.7 inches)	85%	moderate