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September Weather in Bridgewater, United States

Last updated: June 24, 2025

In Bridgewater, United States, the average temperature in September is a pleasant 19°C (67°F). Expect a temperature range from a cool 2°C (35°F) to a warm 32°C (90°F). During this time, precipitation totals around 112 mm (4.4 in) spread across 10 days, while humidity hovers at an average of 68%.

September Temperature in Bridgewater

In September in Bridgewater, the average temperature is 19°C (67°F). The maximum can reach 32°C (90°F), while the minimum can drop to as low as 2°C (35°F). This makes it an ideal time for travelers who enjoy a variety of weather conditions, ranging from warm days to 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 19°C (67°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333843536370757267574338
Data source: Temperature data for Bridgewater generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Bridgewater

In Bridgewater in September, the total precipitation amount is 112 mm (4.4 in) over the course of 10 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 112 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec64906910712899761151121127085
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bridgewater

In Bridgewater 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 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 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)64 mm (2.5 inches)86%moderate
February Weather4°C (39°F)90 mm (3.6 inches)86%high
March Weather6°C (44°F)69 mm (2.7 inches)86%high
April Weather12°C (53°F)107 mm (4.2 inches)84%very high
May Weather17°C (63°F)128 mm (5.0 inches)78%extreme
June Weather21°C (70°F)99 mm (3.9 inches)79%extreme
July Weather24°C (75°F)76 mm (3.0 inches)70%extreme
August Weather22°C (72°F)115 mm (4.5 inches)59%very high
September Weather19°C (67°F)112 mm (4.4 inches)68%very high
October Weather14°C (58°F)112 mm (4.4 inches)80%high
November Weather6°C (43°F)70 mm (2.7 inches)86%moderate
December Weather3°C (38°F)85 mm (3.3 inches)85%moderate

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