nomadseason

September Weather in Ironton, United States

Last updated: June 24, 2025

In September, the average temperature in Ironton, United States hovers around 21°C (71°F), providing a comfortable climate for outdoor activities. Expect a minimum temperature of 7°C (45°F) and a maximum of 37°C (98°F), so be prepared for a range of conditions. During this time, you’ll also encounter about 110 mm (4.3 in) of precipitation over roughly 8 days, with an average humidity of 73% adding a touch of moisture to the air.

September Temperature in Ironton

In September, in Ironton, the average temperature is 21°C (71°F), with maximums reaching 37°C (98°F) and minimums dropping to as low as 7°C (45°F). This makes Ironton a great destination for travelers seeking a warm climate with a chance of cooler evenings.

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

The chart illustrates September temperature patterns in Ironton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ironton, September typically has an average temperature of 21°C (71°F), with highs reaching up to 37°C (98°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec364047566673787571604540
Data source: Temperature data for Ironton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ironton

In Ironton in September, the precipitation amount is 110 mm (4.3 in) over a period of 8 days.

September Precipitation Trends in Ironton

The chart displays monthly precipitation patterns in Ironton, 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 Ironton, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9113010712512816610913111011476118
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Ironton

In Ironton in September humidity is 73%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities a bit uncomfortable, but with proper hydration and breaks in the shade, it’s still manageable for traveling.

September Average Humidity in Ironton

This chart illustrates the average monthly humidity levels in Ironton, 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 Ironton is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ironton

In Ironton in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Ironton.

Maximum UV Index Levels in Ironton for September

The chart shows the monthly maximum UV Index (UVI) for Ironton 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 Ironton typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Ironton 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 Ironton Compares to Other Months

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

This table compares monthly weather conditions in Ironton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)91 mm (3.6 inches)88%moderate
February Weather5°C (41°F)130 mm (5.1 inches)88%moderate
March Weather8°C (47°F)107 mm (4.2 inches)87%high
April Weather13°C (56°F)125 mm (4.9 inches)85%very high
May Weather19°C (66°F)128 mm (5.0 inches)81%very high
June Weather23°C (73°F)166 mm (6.5 inches)82%very high
July Weather25°C (78°F)109 mm (4.3 inches)81%very high
August Weather24°C (76°F)130 mm (5.1 inches)73%very high
September Weather21°C (71°F)110 mm (4.3 inches)73%very high
October Weather16°C (60°F)114 mm (4.5 inches)78%high
November Weather7°C (46°F)76 mm (3.0 inches)89%moderate
December Weather5°C (41°F)118 mm (4.6 inches)87%moderate

Compare Ironton's Climate with Cities Worldwide