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September Weather in Dyer, United States

Last updated: June 24, 2025

In Dyer, United States, the average temperature in September is a pleasant 24°C (76°F). However, temperatures can vary significantly, with minimums dipping to 8°C (47°F) and maximums soaring to 37°C (98°F). During this month, expect approximately 73 mm (2.9 in) of precipitation over 5 days, while the average humidity hovers around 59%. Whether you're planning outdoor activities or looking for refuge indoors, this month's climate offers a mix of warmth and wetness.

September Temperature in Dyer

In September in Dyer, the average temperature is 24°C (76°F). The maximum can reach 37°C (98°F), while the minimum can drop as low as 8°C (47°F). This range of temperatures makes Dyer an ideal destination for travelers seeking both warmth and the possibility of cooler evenings.

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

The chart illustrates September temperature patterns in Dyer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dyer, September typically has an average temperature of 24°C (76°F), with highs reaching up to 37°C (98°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec404354596977817975625045
Data source: Temperature data for Dyer 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 Dyer

In Dyer in September, the total precipitation amount is 73 mm (2.9 in) over the course of 5 days.

September Precipitation Trends in Dyer

The chart displays monthly precipitation patterns in Dyer, 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 Dyer, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec103129153157212100951277313994101
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dyer

In Dyer in September humidity is 59%. With an average temperature of 24°C (76°F), this humidity feels like a comfortable, refreshing embrace, making it ideal for leisurely strolls and outdoor explorations.

September Average Humidity in Dyer

This chart illustrates the average monthly humidity levels in Dyer, 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 Dyer is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dyer

In Dyer 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 Dyer.

Maximum UV Index Levels in Dyer for September

The chart shows the monthly maximum UV Index (UVI) for Dyer 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 Dyer typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111111109754
Data source: Dyer 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 Dyer Compares to Other Months

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

This table compares monthly weather conditions in Dyer, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)103 mm (4.1 inches)82%moderate
February Weather6°C (43°F)129 mm (5.1 inches)79%high
March Weather12°C (54°F)153 mm (6.0 inches)77%high
April Weather15°C (59°F)157 mm (6.2 inches)78%very high
May Weather21°C (69°F)212 mm (8.3 inches)82%extreme
June Weather25°C (78°F)100 mm (3.9 inches)81%extreme
July Weather27°C (81°F)95 mm (3.7 inches)75%extreme
August Weather26°C (79°F)127 mm (5.0 inches)61%very high
September Weather24°C (76°F)73 mm (2.9 inches)59%very high
October Weather17°C (63°F)139 mm (5.5 inches)69%high
November Weather10°C (50°F)94 mm (3.7 inches)82%moderate
December Weather7°C (45°F)101 mm (4.0 inches)87%moderate

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