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September Weather in Radium Springs, United States

Last updated: June 24, 2025

In September, the average temperature in Radium Springs, United States hovers around 25°C (77°F). Temperatures can range from a minimum of 10°C (50°F) to a maximum of 36°C (98°F), offering a delightful mix of warmth. Expect about 24 mm (0.9 in) of precipitation spread over 4 days, with an average humidity level of 70%—perfect for enjoying the lush landscapes!

September Temperature in Radium Springs

In September in Radium Springs, the average temperature is 25°C (77°F). Maximums can reach 36°C (98°F) and minimums can be as low as 10°C (50°F). This makes it a perfect time for travelers seeking warm days and cool evenings.

September Weather in Radium Springs: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Radium Springs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Radium Springs, September typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (98°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec455057677583838277665546
Data source: Temperature data for Radium Springs 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 Radium Springs

In Radium Springs in September, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.

September Precipitation Trends in Radium Springs

The chart displays monthly precipitation patterns in Radium Springs, 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 Radium Springs, September typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1417144524353124271711
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Radium Springs

In Radium Springs in September, humidity is 70%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, moist blanket that clings to your skin, making every step feel heavier as you explore the sights and sounds of your destination.

September Average Humidity in Radium Springs

This chart illustrates the average monthly humidity levels in Radium Springs, 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 Radium Springs is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%65%55%54%53%55%58%70%75%83%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Radium Springs

In Radium Springs in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Radium Springs.

Maximum UV Index Levels in Radium Springs for September

The chart shows the monthly maximum UV Index (UVI) for Radium Springs 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 Radium Springs typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213121211865
Data source: Radium Springs 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 Radium Springs Compares to Other Months

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

This table compares monthly weather conditions in Radium Springs, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)14 mm (0.6 inches)79%moderate
February Weather10°C (50°F)17 mm (0.7 inches)79%high
March Weather14°C (58°F)14 mm (0.5 inches)65%very high
April Weather19°C (67°F)4 mm (0.1 inches)55%extreme
May Weather24°C (75°F)5 mm (0.2 inches)54%extreme
June Weather28°C (83°F)24 mm (1.0 inches)53%extreme
July Weather28°C (83°F)35 mm (1.4 inches)55%extreme
August Weather28°C (83°F)31 mm (1.2 inches)57%extreme
September Weather25°C (77°F)24 mm (0.9 inches)70%extreme
October Weather19°C (66°F)27 mm (1.1 inches)75%very high
November Weather13°C (56°F)17 mm (0.7 inches)83%high
December Weather8°C (47°F)11 mm (0.4 inches)82%moderate

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