September Weather in Dexter, United States

Last updated: June 24, 2025

In September, the average temperature in Dexter, United States hovers around 23°C (74°F). Expect minimums dipping to 8°C (47°F) and maximums soaring to 36°C (96°F). With precipitation amounting to 71 mm (2.8 in) over 8 days, the average humidity sits at a comfortable 68%. Embrace the varied climate and enjoy your time in this vibrant locale!

September Temperature in Dexter

In September in Dexter, the average temperature is 23°C (74°F). Maximums can reach 36°C (96°F), and minimums can be as low as 8°C (47°F). This makes it a great time for travel, as you'll experience warm weather with the possibility of cooler evenings.

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

The chart illustrates September temperature patterns in Dexter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dexter, September typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (96°F) and lows dropping to around 8°C (47°F).

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

September Precipitation in Dexter

In Dexter in September, the precipitation amount is 71 mm (2.8 in) over the course of 8 days.

September Precipitation Trends in Dexter

The chart displays monthly precipitation patterns in Dexter, 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 Dexter, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 8 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 Dexter

In Dexter in September, humidity is 68%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making traveling quite uncomfortable if you're not prepared. The air is thick and muggy, leaving you yearning for a cool breeze and frequent breaks in the shade.

September Average Humidity in Dexter

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

In Dexter in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Dexter.

Maximum UV Index Levels in Dexter for September

The chart shows the monthly maximum UV Index (UVI) for Dexter 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 Dexter typically reaches 9, which falls under the very high exposure category.

Data source: Dexter 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 Dexter Compares to Other Months

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

This table compares monthly weather conditions in Dexter, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	108 mm (4.2 inches)	83%	moderate
February Weather	5°C (41°F)	132 mm (5.2 inches)	81%	high
March Weather	11°C (51°F)	160 mm (6.3 inches)	80%	high
April Weather	14°C (58°F)	154 mm (6.0 inches)	80%	very high
May Weather	21°C (70°F)	152 mm (6.0 inches)	83%	very high
June Weather	25°C (78°F)	101 mm (4.0 inches)	83%	extreme
July Weather	27°C (81°F)	93 mm (3.6 inches)	76%	extreme
August Weather	26°C (78°F)	111 mm (4.4 inches)	69%	very high
September Weather	23°C (74°F)	71 mm (2.8 inches)	68%	very high
October Weather	16°C (62°F)	123 mm (4.8 inches)	72%	high
November Weather	8°C (47°F)	101 mm (4.0 inches)	83%	moderate
December Weather	6°C (43°F)	97 mm (3.8 inches)	86%	moderate