September Weather in Roseland, United States

Last updated: June 24, 2025

In September, the average temperature in Roseland, United States is a warm 26°C (79°F). Expect a minimum of 11°C (53°F) and a maximum of 37°C (99°F), providing a wide range for your activities. With an average precipitation of 136 mm (5.4 in) over 13 days, be prepared for occasional rain. Humidity levels hover around 79%, adding to the tropical feel of this vibrant destination.

September Temperature in Roseland

In September in Roseland, the average temperature is 26°C (79°F). Maximums can reach 37°C (99°F), while minimums can drop as low as 11°C (53°F). Be prepared for a warm climate and pack accordingly for both hot days and cooler evenings.

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

The chart illustrates September temperature patterns in Roseland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roseland, September typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 11°C (53°F).

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

September Precipitation in Roseland

In Roseland in September, the precipitation amount reaches 136 mm (5.4 in) over a span of 13 days.

September Precipitation Trends in Roseland

The chart displays monthly precipitation patterns in Roseland, 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 Roseland, September typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 13 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 Roseland

In Roseland in September humidity is 79%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting. Travelers should be prepared for a heavy air that clings to the skin, making hydration essential while navigating the sights and sounds of the city.

September Average Humidity in Roseland

This chart illustrates the average monthly humidity levels in Roseland, 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 Roseland is approximately 79%, 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 Roseland

In Roseland 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 Roseland.

Maximum UV Index Levels in Roseland for September

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

Data source: Roseland 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 Roseland Compares to Other Months

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

This table compares monthly weather conditions in Roseland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	123 mm (4.9 inches)	83%	moderate
February Weather	14°C (58°F)	126 mm (5.0 inches)	83%	very high
March Weather	17°C (64°F)	96 mm (3.8 inches)	80%	very high
April Weather	19°C (67°F)	152 mm (6.0 inches)	81%	extreme
May Weather	24°C (75°F)	170 mm (6.7 inches)	81%	extreme
June Weather	26°C (80°F)	176 mm (6.9 inches)	78%	extreme
July Weather	27°C (81°F)	181 mm (7.1 inches)	79%	extreme
August Weather	27°C (81°F)	218 mm (8.6 inches)	79%	extreme
September Weather	26°C (79°F)	136 mm (5.4 inches)	79%	very high
October Weather	22°C (71°F)	118 mm (4.7 inches)	77%	very high
November Weather	15°C (59°F)	85 mm (3.3 inches)	85%	high
December Weather	13°C (55°F)	135 mm (5.3 inches)	88%	moderate