September Weather in Dunbar, United States

Last updated: June 24, 2025

In September, the average temperature in Dunbar, United States is a pleasant 19°C (67°F). Expect temperatures to range from a cool 3°C (38°F) to a warm 33°C (91°F). During this month, 112 mm (4.4 in) of rain typically falls over 10 days, while the average humidity hovers around 68%. Whether you enjoy the warm sun or the refreshing rain, there's something for everyone!

September Temperature in Dunbar

In September in Dunbar, the average temperature is 19°C (67°F). Maximums can reach 33°C (91°F), and minimums can be as low as 3°C (38°F). This makes Dunbar a great destination for travelers seeking mild weather and a chance to enjoy a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Dunbar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dunbar, September typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Dunbar

In Dunbar in September, the total precipitation amount is 112 mm (4.4 in) over the course of 10 days.

September Precipitation Trends in Dunbar

The chart displays monthly precipitation patterns in Dunbar, 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 Dunbar, September typically receives around 112 mm (4.4 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 Dunbar

In Dunbar in September, humidity is 68%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket, making travel pleasant yet slightly muggy, which can be refreshing while exploring but may require occasional breaks to stay comfortable.

September Average Humidity in Dunbar

This chart illustrates the average monthly humidity levels in Dunbar, 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 Dunbar 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 Dunbar

In Dunbar 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 Dunbar.

Maximum UV Index Levels in Dunbar for September

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

Data source: Dunbar 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 Dunbar Compares to Other Months

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

This table compares monthly weather conditions in Dunbar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	95 mm (3.8 inches)	86%	moderate
February Weather	2°C (35°F)	139 mm (5.5 inches)	86%	moderate
March Weather	5°C (41°F)	120 mm (4.7 inches)	86%	high
April Weather	10°C (51°F)	133 mm (5.2 inches)	84%	very high
May Weather	16°C (62°F)	151 mm (6.0 inches)	78%	very high
June Weather	20°C (69°F)	162 mm (6.4 inches)	79%	very high
July Weather	23°C (74°F)	117 mm (4.6 inches)	70%	very high
August Weather	22°C (72°F)	89 mm (3.5 inches)	59%	very high
September Weather	19°C (67°F)	112 mm (4.4 inches)	68%	very high
October Weather	14°C (57°F)	115 mm (4.5 inches)	80%	high
November Weather	5°C (42°F)	92 mm (3.6 inches)	86%	moderate
December Weather	2°C (36°F)	127 mm (5.0 inches)	85%	moderate