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September Weather in Arthur, United States

Last updated: June 24, 2025

In Arthur, United States, the average temperature in September hovers around 21°C (71°F). Expect minimums to dip to 6°C (42°F) and maximums to reach a warm 34°C (93°F). During this month, total precipitation is about 83 mm (3.2 in) spread over 7 days, and humidity levels average around 79%.

September Temperature in Arthur

In September in Arthur, the average temperature is 21°C (71°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 6°C (42°F). This diverse range of temperatures makes it a favorable time for travelers to enjoy outdoor activities and explore the local attractions comfortably.

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

The chart illustrates September temperature patterns in Arthur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arthur, September typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec293243536675777470584236
Data source: Temperature data for Arthur 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 Arthur

In Arthur in September, the precipitation amount is 83 mm (3.2 in) spread over a duration of 7 days.

September Precipitation Trends in Arthur

The chart displays monthly precipitation patterns in Arthur, 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 Arthur, September typically receives around 83 mm (3.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec7979124123140112115114831228158
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arthur

In Arthur in September humidity is 79%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and exhausting. Travelers should be prepared to hydrate frequently and take breaks in shaded areas to fully enjoy their time exploring.

September Average Humidity in Arthur

This chart illustrates the average monthly humidity levels in Arthur, 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 Arthur is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Arthur

In Arthur 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 Arthur.

Maximum UV Index Levels in Arthur for September

The chart shows the monthly maximum UV Index (UVI) for Arthur 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 Arthur typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Arthur 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 Arthur Compares to Other Months

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

This table compares monthly weather conditions in Arthur, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)79 mm (3.1 inches)84%moderate
February Weather0°C (32°F)79 mm (3.1 inches)82%moderate
March Weather6°C (44°F)124 mm (4.9 inches)84%high
April Weather12°C (53°F)123 mm (4.9 inches)83%very high
May Weather19°C (66°F)140 mm (5.5 inches)80%very high
June Weather24°C (75°F)112 mm (4.4 inches)83%extreme
July Weather25°C (78°F)115 mm (4.5 inches)82%very high
August Weather23°C (74°F)113 mm (4.5 inches)82%very high
September Weather21°C (71°F)83 mm (3.2 inches)79%very high
October Weather14°C (58°F)122 mm (4.8 inches)79%high
November Weather5°C (42°F)81 mm (3.2 inches)88%moderate
December Weather2°C (36°F)58 mm (2.3 inches)87%moderate

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