September Weather in Bridgewater, United States

Last updated: June 24, 2025

In September, the average temperature in Bridgewater, United States hovers around 16°C (62°F). Expect a minimum of -1°C (31°F) and a maximum of 31°C (88°F), showcasing a broad range of conditions. Be prepared for 66 mm (2.6 in) of precipitation spread over 8 days, contributing to an average humidity of 71%.

September Temperature in Bridgewater

In September in Bridgewater, the average temperature is 16°C (62°F), with maximums reaching up to 31°C (88°F) and minimums dropping as low as -1°C (31°F). This variability in temperature makes it advisable for travelers to pack both light clothing for warm days and layers for cooler nights.

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

The chart illustrates September temperature patterns in Bridgewater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bridgewater, September typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in Bridgewater

In Bridgewater in September, the total precipitation amount is 66 mm (2.6 in) over the course of 8 days.

September Precipitation Trends in Bridgewater

The chart displays monthly precipitation patterns in Bridgewater, 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 Bridgewater, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 8 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 Bridgewater

In Bridgewater in September, humidity is 71%. With an average temperature of 16°C (62°F), this humidity feels like a warm, damp embrace, making it a bit uncomfortable for traveling unless you're accustomed to such conditions.

September Average Humidity in Bridgewater

This chart illustrates the average monthly humidity levels in Bridgewater, 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 Bridgewater is approximately 71%, 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 Bridgewater

In Bridgewater in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Bridgewater.

Maximum UV Index Levels in Bridgewater for September

The chart shows the monthly maximum UV Index (UVI) for Bridgewater 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 Bridgewater typically reaches 7, which falls under the high exposure category.

Data source: Bridgewater 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 Bridgewater Compares to Other Months

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

This table compares monthly weather conditions in Bridgewater, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	75 mm (3.0 inches)	86%	moderate
February Weather	-5°C (24°F)	83 mm (3.3 inches)	84%	moderate
March Weather	-1°C (30°F)	73 mm (2.9 inches)	82%	moderate
April Weather	6°C (43°F)	129 mm (5.1 inches)	80%	very high
May Weather	13°C (55°F)	86 mm (3.4 inches)	72%	very high
June Weather	18°C (65°F)	100 mm (3.9 inches)	72%	very high
July Weather	21°C (70°F)	137 mm (5.4 inches)	67%	very high
August Weather	20°C (69°F)	92 mm (3.6 inches)	66%	very high
September Weather	16°C (62°F)	66 mm (2.6 inches)	71%	high
October Weather	10°C (50°F)	134 mm (5.3 inches)	78%	moderate
November Weather	2°C (36°F)	115 mm (4.5 inches)	84%	moderate
December Weather	-3°C (26°F)	115 mm (4.5 inches)	81%	low