September Weather in Thomaston, United States

Last updated: June 24, 2025

In Thomaston, United States, the average temperature in September hovers around 25°C (77°F). Expect a minimum of 12°C (53°F) and a maximum soaring to 36°C (97°F). During this time, precipitation averages 109 mm (4.3 in) over approximately 9 days, accompanied by a high average humidity of 82%.

September Temperature in Thomaston

In September in Thomaston, the average temperature is 25°C (77°F). Maximums can reach 36°C (97°F) and minimums can be as low as 12°C (53°F). This pleasant climate makes Thomaston an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Thomaston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thomaston, September typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 12°C (53°F).

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

September Precipitation in Thomaston

In Thomaston in September, the total precipitation amount is 109 mm (4.3 in) spread over 9 days.

September Precipitation Trends in Thomaston

The chart displays monthly precipitation patterns in Thomaston, 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 Thomaston, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Thomaston

In Thomaston in September, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

September Average Humidity in Thomaston

This chart illustrates the average monthly humidity levels in Thomaston, 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 Thomaston is approximately 82%, 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 Thomaston

In Thomaston 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 Thomaston.

Maximum UV Index Levels in Thomaston for September

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

Data source: Thomaston 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 Thomaston Compares to Other Months

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

This table compares monthly weather conditions in Thomaston, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	105 mm (4.1 inches)	86%	moderate
February Weather	12°C (54°F)	126 mm (5.0 inches)	84%	high
March Weather	15°C (59°F)	89 mm (3.5 inches)	83%	very high
April Weather	18°C (64°F)	107 mm (4.2 inches)	81%	very high
May Weather	22°C (72°F)	92 mm (3.6 inches)	81%	extreme
June Weather	25°C (78°F)	118 mm (4.6 inches)	81%	extreme
July Weather	27°C (80°F)	104 mm (4.1 inches)	83%	extreme
August Weather	26°C (80°F)	135 mm (5.3 inches)	81%	extreme
September Weather	25°C (77°F)	109 mm (4.3 inches)	82%	very high
October Weather	20°C (68°F)	113 mm (4.5 inches)	78%	very high
November Weather	12°C (55°F)	77 mm (3.0 inches)	86%	high
December Weather	10°C (51°F)	127 mm (5.0 inches)	89%	moderate