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September Weather in Gladstone, United States

Last updated: June 24, 2025

In September, the average temperature in Gladstone, United States hovers around 22°C (72°F). Expect a minimum of 6°C (42°F) and a maximum of 33°C (92°F) throughout the month. With an average precipitation of 75 mm (2.9 in) over 7 days, and humidity levels at 72%, prepare for a mix of comfortable warmth and occasional showers.

September Temperature in Gladstone

In September in Gladstone, the average temperature is 22°C (72°F). Maximum temperatures can reach up to 33°C (92°F), while minimums can drop as low as 6°C (42°F). This makes Gladstone an ideal destination for travelers seeking a pleasant climate, with warm days and cool evenings.

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

The chart illustrates September temperature patterns in Gladstone, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gladstone, September typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec303246546677797672574437
Data source: Temperature data for Gladstone 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 Gladstone

In Gladstone in September, the precipitation amount is 75 mm (2.9 in) over a span of 7 days.

September Precipitation Trends in Gladstone

The chart displays monthly precipitation patterns in Gladstone, 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 Gladstone, September typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec5336948220792104117751124534
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gladstone

In Gladstone in September humidity is 72%. With an average temperature of 22°C (72°F), this humidity feels like you are stepping into a warm, embracing blanket, making traveling feel sweaty and slightly stifling, but the balmy weather is also quite perfect for exploring local attractions.

September Average Humidity in Gladstone

This chart illustrates the average monthly humidity levels in Gladstone, 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 Gladstone is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gladstone

In Gladstone 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 Gladstone.

Maximum UV Index Levels in Gladstone for September

The chart shows the monthly maximum UV Index (UVI) for Gladstone 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 Gladstone typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Gladstone 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 Gladstone Compares to Other Months

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

This table compares monthly weather conditions in Gladstone, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)53 mm (2.1 inches)80%moderate
February Weather0°C (32°F)36 mm (1.4 inches)78%moderate
March Weather8°C (46°F)94 mm (3.7 inches)75%high
April Weather12°C (54°F)82 mm (3.2 inches)77%very high
May Weather19°C (66°F)207 mm (8.1 inches)82%very high
June Weather25°C (77°F)92 mm (3.6 inches)83%extreme
July Weather26°C (80°F)104 mm (4.1 inches)81%extreme
August Weather25°C (77°F)117 mm (4.6 inches)78%very high
September Weather22°C (72°F)75 mm (2.9 inches)72%very high
October Weather14°C (57°F)112 mm (4.4 inches)72%high
November Weather6°C (44°F)45 mm (1.8 inches)84%moderate
December Weather3°C (37°F)34 mm (1.3 inches)86%moderate

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