nomadseason

September Weather in Arnett, United States

Last updated: June 24, 2025

In September, the average temperature in Arnett, United States is a pleasant 23°C (73°F). Temperatures can vary significantly, with minimums dipping to 5°C (41°F) and maximums soaring up to 38°C (101°F). Expect some rain during your stay, with an average precipitation of 43 mm (1.7 in) spread over 6 days. The climate is characterized by a moderate average humidity of 67%, making it a comfortable destination for travelers.

September Temperature in Arnett

In September in Arnett, the average temperature is 23°C (73°F). The maximum can reach 38°C (101°F) and the minimum can be as low as 5°C (41°F). These temperature fluctuations make Arnett an ideal destination for travelers who enjoy both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Arnett, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arnett, September typically has an average temperature of 23°C (73°F), with highs reaching up to 38°C (101°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec363749566677817973584740
Data source: Temperature data for Arnett 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 Arnett

In Arnett in September, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

September Precipitation Trends in Arnett

The chart displays monthly precipitation patterns in Arnett, 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 Arnett, September typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2514645510852505743721522
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Arnett

In Arnett in September humidity is 67%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket that makes the air feel thick and slightly sticky, which can be challenging for travelers who prefer cooler, drier conditions.

September Average Humidity in Arnett

This chart illustrates the average monthly humidity levels in Arnett, 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 Arnett is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%67%70%82%82%81%76%67%72%80%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Arnett

In Arnett 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 Arnett.

Maximum UV Index Levels in Arnett for September

The chart shows the monthly maximum UV Index (UVI) for Arnett 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 Arnett typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119753
Data source: Arnett 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 Arnett Compares to Other Months

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

This table compares monthly weather conditions in Arnett, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)25 mm (1.0 inches)75%moderate
February Weather3°C (37°F)14 mm (0.6 inches)76%high
March Weather10°C (50°F)64 mm (2.5 inches)67%very high
April Weather13°C (57°F)55 mm (2.2 inches)70%very high
May Weather19°C (67°F)108 mm (4.2 inches)82%extreme
June Weather25°C (77°F)52 mm (2.0 inches)82%extreme
July Weather27°C (81°F)50 mm (2.0 inches)81%extreme
August Weather26°C (79°F)57 mm (2.2 inches)76%extreme
September Weather23°C (73°F)43 mm (1.7 inches)67%very high
October Weather14°C (58°F)72 mm (2.8 inches)72%high
November Weather8°C (47°F)15 mm (0.6 inches)80%moderate
December Weather4°C (40°F)21 mm (0.8 inches)83%moderate

Compare Arnett's Climate with Cities Worldwide