September Weather in North Baltimore, United States

Last updated: June 24, 2025

In September, the average temperature in North Baltimore, United States hovers around 20°C (68°F), making it a pleasant time to explore. However, be prepared for temperatures to swing between a cool 4°C (40°F) and a warm 34°C (93°F). Rainfall is not uncommon, with 64 mm (2.5 in) expected over 9 days, while the average humidity sits at a tropical 78%.

September Temperature in North Baltimore

In September in North Baltimore, the average temperature is 20°C (68°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 4°C (40°F). This variety in temperature makes it a great time for travelers to enjoy both outdoor activities and cozy indoor experiences.

September Weather in North Baltimore: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in North Baltimore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Baltimore, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in North Baltimore

In North Baltimore in September, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.

September Precipitation Trends in North Baltimore

The chart displays monthly precipitation patterns in North Baltimore, 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 North Baltimore, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 9 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 North Baltimore

In North Baltimore in September humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

September Average Humidity in North Baltimore

This chart illustrates the average monthly humidity levels in North Baltimore, 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 North Baltimore is approximately 78%, 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 North Baltimore

In North Baltimore 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 North Baltimore.

Maximum UV Index Levels in North Baltimore for September

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

Data source: North Baltimore 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 North Baltimore Compares to Other Months

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

This table compares monthly weather conditions in North Baltimore, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	72 mm (2.8 inches)	88%	moderate
February Weather	-1°C (31°F)	78 mm (3.1 inches)	87%	moderate
March Weather	5°C (40°F)	91 mm (3.6 inches)	87%	high
April Weather	10°C (50°F)	99 mm (3.9 inches)	87%	very high
May Weather	17°C (62°F)	142 mm (5.6 inches)	81%	very high
June Weather	22°C (72°F)	119 mm (4.7 inches)	82%	very high
July Weather	24°C (76°F)	117 mm (4.6 inches)	81%	very high
August Weather	23°C (73°F)	90 mm (3.5 inches)	78%	very high
September Weather	20°C (68°F)	64 mm (2.5 inches)	78%	very high
October Weather	14°C (57°F)	92 mm (3.6 inches)	82%	high
November Weather	5°C (41°F)	87 mm (3.4 inches)	89%	moderate
December Weather	1°C (35°F)	60 mm (2.3 inches)	86%	low