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September Weather in Darlington, United States

Last updated: June 24, 2025

In September, the average temperature in Darlington, United States hovers around 25°C (77°F). Expect a range that dips as low as 10°C (51°F) and can soar up to 37°C (98°F). With an average precipitation of 151 mm (5.9 in) over 8 days, you might want to keep an umbrella handy. Additionally, the air is fairly humid, with an average humidity of 75% adding to the climate's character.

September Temperature in Darlington

In September in Darlington, the average temperature is 25°C (77°F). Maximum temperatures can reach 37°C (98°F), and the minimum can drop as low as 10°C (51°F). This makes for a pleasant time to explore and enjoy various outdoor activities.

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

The chart illustrates September temperature patterns in Darlington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Darlington, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (98°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec475357657378818177685450
Data source: Temperature data for Darlington 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 Darlington

In Darlington in September, the precipitation amount is 151 mm (5.9 in), falling over a span of 8 days.

September Precipitation Trends in Darlington

The chart displays monthly precipitation patterns in Darlington, 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 Darlington, September typically receives around 151 mm (5.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec819971951101251291261515969141
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Darlington

In Darlington in September humidity is 75%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket, enveloping you and making travel somewhat taxing, as every step can feel heavier and the air thicker, often leading to a desire for shade and cool breezes.

September Average Humidity in Darlington

This chart illustrates the average monthly humidity levels in Darlington, 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 Darlington is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Darlington

In Darlington 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 Darlington.

Maximum UV Index Levels in Darlington for September

The chart shows the monthly maximum UV Index (UVI) for Darlington 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 Darlington typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
Data source: Darlington 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 Darlington Compares to Other Months

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

This table compares monthly weather conditions in Darlington, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)81 mm (3.2 inches)86%moderate
February Weather12°C (53°F)99 mm (3.9 inches)85%high
March Weather14°C (57°F)70 mm (2.8 inches)84%very high
April Weather18°C (65°F)95 mm (3.7 inches)82%very high
May Weather23°C (73°F)110 mm (4.3 inches)83%extreme
June Weather26°C (78°F)125 mm (4.9 inches)82%extreme
July Weather27°C (82°F)128 mm (5.1 inches)80%extreme
August Weather27°C (81°F)125 mm (4.9 inches)74%very high
September Weather25°C (77°F)151 mm (5.9 inches)75%very high
October Weather20°C (69°F)59 mm (2.3 inches)79%very high
November Weather12°C (55°F)69 mm (2.7 inches)87%high
December Weather10°C (50°F)141 mm (5.6 inches)87%moderate

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