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September Weather in Gruver, United States

Last updated: June 24, 2025

In Gruver, United States, the average temperature in September hovers around 22°C (73°F). However, be prepared for some variability as temperatures can dip to a chilly 3°C (37°F) or soar up to a scorching 39°C (103°F). During this month, expect 28 mm (1.1 in) of precipitation over approximately 6 days, and keep in mind the average humidity level is a sticky 79%.

September Temperature in Gruver

In September in Gruver, the average temperature is 22°C (73°F), with maximums soaring to 39°C (103°F) and minimums dropping to as low as 3°C (37°F). It's essential to pack for both warm days and cool nights when traveling during this time.

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

The chart illustrates September temperature patterns in Gruver, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gruver, September typically has an average temperature of 22°C (73°F), with highs reaching up to 39°C (103°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec373749566677807872574740
Data source: Temperature data for Gruver 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 Gruver

In Gruver in September, the precipitation amount is 28 mm (1.1 in) over the course of 6 days.

September Precipitation Trends in Gruver

The chart displays monthly precipitation patterns in Gruver, 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 Gruver, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec161246447849465828561117
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gruver

In Gruver in September, humidity is 79%. With an average temperature of 22°C (73°F), this humidity feels like a warm, muggy embrace that makes outdoor activities feel more taxing, and a quick stroll can leave you feeling slightly sticky and ready for a refreshing break.

September Average Humidity in Gruver

This chart illustrates the average monthly humidity levels in Gruver, 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 Gruver is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%65%67%81%82%82%84%79%75%79%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gruver

In Gruver in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Gruver.

Maximum UV Index Levels in Gruver for September

The chart shows the monthly maximum UV Index (UVI) for Gruver 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 Gruver typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110753
Data source: Gruver 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 Gruver Compares to Other Months

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

This table compares monthly weather conditions in Gruver, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)16 mm (0.6 inches)74%moderate
February Weather3°C (38°F)11 mm (0.5 inches)77%high
March Weather10°C (50°F)46 mm (1.8 inches)65%very high
April Weather13°C (56°F)44 mm (1.7 inches)67%very high
May Weather19°C (66°F)78 mm (3.1 inches)81%extreme
June Weather25°C (77°F)48 mm (1.9 inches)82%extreme
July Weather27°C (80°F)46 mm (1.8 inches)82%extreme
August Weather26°C (78°F)58 mm (2.3 inches)84%extreme
September Weather22°C (73°F)28 mm (1.1 inches)79%very high
October Weather14°C (58°F)56 mm (2.2 inches)75%high
November Weather8°C (47°F)11 mm (0.4 inches)79%moderate
December Weather4°C (40°F)16 mm (0.6 inches)83%moderate

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