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September Weather in South Royalton, United States

Last updated: June 24, 2025

In September, the average temperature in South Royalton, United States hovers around 16°C (61°F). Expect a range from a chilly -2°C (28°F) to a warm 31°C (88°F). Rainfall amounts to about 66 mm (2.6 in) spread over 9 days, and the average humidity stays at a comfortable 72%.

September Temperature in South Royalton

In September in South Royalton, the average temperature is 16°C (61°F). The maximum can reach 31°C (88°F), while the minimum can drop to as low as -2°C (28°F). Be prepared for a wide range of weather conditions when traveling during this month.

September Weather in South Royalton: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in South Royalton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Royalton, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec202330435564706860493425
Data source: Temperature data for South Royalton 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 South Royalton

In South Royalton in September, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.

September Precipitation Trends in South Royalton

The chart displays monthly precipitation patterns in South Royalton, 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 South Royalton, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7482721188793135926613810195
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in South Royalton

In South Royalton in September humidity is 72%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making every step feel heavier and requiring extra effort while traveling.

September Average Humidity in South Royalton

This chart illustrates the average monthly humidity levels in South Royalton, 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 South Royalton is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in South Royalton

In South Royalton 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 South Royalton.

Maximum UV Index Levels in South Royalton for September

The chart shows the monthly maximum UV Index (UVI) for South Royalton 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 South Royalton typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997532
Data source: South Royalton 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 South Royalton Compares to Other Months

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

This table compares monthly weather conditions in South Royalton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)74 mm (2.9 inches)89%moderate
February Weather-5°C (23°F)82 mm (3.2 inches)88%moderate
March Weather-1°C (30°F)72 mm (2.8 inches)86%high
April Weather6°C (43°F)118 mm (4.6 inches)84%very high
May Weather13°C (55°F)87 mm (3.4 inches)76%very high
June Weather18°C (65°F)93 mm (3.7 inches)72%very high
July Weather21°C (70°F)135 mm (5.3 inches)66%very high
August Weather20°C (68°F)92 mm (3.6 inches)64%very high
September Weather16°C (61°F)66 mm (2.6 inches)72%high
October Weather9°C (49°F)138 mm (5.4 inches)81%moderate
November Weather1°C (34°F)101 mm (4.0 inches)87%moderate
December Weather-4°C (25°F)95 mm (3.7 inches)84%low

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