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September Weather in Garden Plain, United States

Last updated: June 24, 2025

In Garden Plain, United States, the average temperature in September hovers around 23°C (73°F), with a minimum dip to 6°C (43°F) and occasional peaks of up to 37°C (98°F). Expect 71 mm (2.8 in) of precipitation spread over approximately 6 days, accompanied by an average humidity level of 67%. Enjoy the varied climate!

September Temperature in Garden Plain

In September in Garden Plain, the average temperature is 23°C (73°F). The maximum can reach 37°C (98°F) while the minimum can drop to 6°C (43°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.

September Weather in Garden Plain: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Garden Plain, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Garden Plain, September typically has an average temperature of 23°C (73°F), with highs reaching up to 37°C (98°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec343448556678817873584539
Data source: Temperature data for Garden Plain 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 Garden Plain

In Garden Plain in September, the precipitation amount is 71 mm (2.8 in) over a span of 6 days.

September Precipitation Trends in Garden Plain

The chart displays monthly precipitation patterns in Garden Plain, 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 Garden Plain, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec3130786117191698071932529
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Garden Plain

In Garden Plain 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 Garden Plain

This chart illustrates the average monthly humidity levels in Garden Plain, 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 Garden Plain 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 Garden Plain

In Garden Plain 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 Garden Plain.

Maximum UV Index Levels in Garden Plain for September

The chart shows the monthly maximum UV Index (UVI) for Garden Plain 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 Garden Plain typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Garden Plain 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 Garden Plain Compares to Other Months

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

This table compares monthly weather conditions in Garden Plain, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)30 mm (1.2 inches)75%moderate
February Weather1°C (35°F)30 mm (1.2 inches)76%high
March Weather9°C (48°F)78 mm (3.1 inches)67%high
April Weather13°C (56°F)61 mm (2.4 inches)70%very high
May Weather19°C (66°F)170 mm (6.7 inches)82%very high
June Weather26°C (78°F)91 mm (3.6 inches)82%extreme
July Weather27°C (81°F)69 mm (2.7 inches)81%extreme
August Weather26°C (78°F)80 mm (3.1 inches)76%very high
September Weather23°C (73°F)71 mm (2.8 inches)67%very high
October Weather14°C (58°F)92 mm (3.6 inches)72%high
November Weather7°C (46°F)25 mm (1.0 inches)80%moderate
December Weather4°C (39°F)29 mm (1.1 inches)83%moderate

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