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September Weather in Waterford, United States

Last updated: June 24, 2025

In Waterford, United States, the average temperature for September hovers around 24°C (75°F). Expect a minimum of 9°C (48°F) and a maximum that can soar up to 42°C (107°F). The month sees a modest precipitation amount of 2 mm (0.1 in) over 0 days, while the average humidity remains comfortable at 55%.

September Temperature in Waterford

In September in Waterford, the average temperature is 24°C (75°F). Maximum temperatures can reach up to 42°C (107°F), while minimums may drop as low as 9°C (48°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Waterford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waterford, September typically has an average temperature of 24°C (75°F), with highs reaching up to 42°C (107°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec505155626877818074655549
Data source: Temperature data for Waterford 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 Waterford

In Waterford in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in Waterford

The chart displays monthly precipitation patterns in Waterford, 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 Waterford, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec118107114503020022653106
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Waterford

In Waterford in September humidity is 55%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making traveling both comfortable and energizing as you explore the vibrant surroundings.

September Average Humidity in Waterford

This chart illustrates the average monthly humidity levels in Waterford, 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 Waterford is approximately 55%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Waterford

In Waterford 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 Waterford.

Maximum UV Index Levels in Waterford for September

The chart shows the monthly maximum UV Index (UVI) for Waterford 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 Waterford typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3588101111109643
Data source: Waterford 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 Waterford Compares to Other Months

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

This table compares monthly weather conditions in Waterford, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)118 mm (4.6 inches)82%moderate
February Weather11°C (51°F)107 mm (4.2 inches)84%moderate
March Weather13°C (55°F)114 mm (4.5 inches)82%very high
April Weather16°C (62°F)50 mm (2.0 inches)78%very high
May Weather20°C (69°F)30 mm (1.2 inches)71%very high
June Weather25°C (77°F)2 mm (0.1 inches)64%extreme
July Weather27°C (81°F)0 mm (0.0 inches)58%extreme
August Weather26°C (80°F)0 mm (0.0 inches)54%very high
September Weather24°C (75°F)2 mm (0.1 inches)55%very high
October Weather18°C (65°F)26 mm (1.0 inches)62%high
November Weather13°C (55°F)53 mm (2.1 inches)78%moderate
December Weather9°C (49°F)106 mm (4.2 inches)80%moderate

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