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September Weather in Grover, United States

Last updated: June 24, 2025

In Grover, United States, the average temperature in September hovers around 23°C (74°F), with a comfortable range where temperatures can dip to a cool 8°C (47°F) or peak at a warm 35°C (95°F). This month also brings an average precipitation of 128 mm (5.0 in) over 9 days, and the humidity tends to be quite high at 75%, making it a month where the air feels both warm and moist.

September Temperature in Grover

In September in Grover, the average temperature is 23°C (74°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop as low as 8°C (47°F). This diverse range of temperatures makes it essential for travelers to pack both light clothing for the warm days and warmer layers for cooler evenings.

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

The chart illustrates September temperature patterns in Grover, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grover, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec434853617076807874645046
Data source: Temperature data for Grover 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 Grover

In Grover in September, the precipitation amount is 128 mm (5.0 in) over a span of 9 days.

September Precipitation Trends in Grover

The chart displays monthly precipitation patterns in Grover, 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 Grover, September typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9512797120116908811012811393124
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grover

In Grover in September, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

September Average Humidity in Grover

This chart illustrates the average monthly humidity levels in Grover, 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 Grover is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Grover

In Grover 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 Grover.

Maximum UV Index Levels in Grover for September

The chart shows the monthly maximum UV Index (UVI) for Grover 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 Grover typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101110109853
Data source: Grover 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 Grover Compares to Other Months

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

This table compares monthly weather conditions in Grover, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)95 mm (3.7 inches)86%moderate
February Weather9°C (49°F)127 mm (5.0 inches)85%high
March Weather12°C (53°F)97 mm (3.8 inches)84%very high
April Weather16°C (61°F)120 mm (4.7 inches)82%very high
May Weather21°C (70°F)115 mm (4.5 inches)83%very high
June Weather24°C (76°F)90 mm (3.6 inches)82%extreme
July Weather27°C (80°F)88 mm (3.5 inches)80%very high
August Weather25°C (78°F)110 mm (4.3 inches)74%very high
September Weather23°C (74°F)128 mm (5.0 inches)75%very high
October Weather18°C (65°F)113 mm (4.4 inches)79%very high
November Weather10°C (51°F)93 mm (3.7 inches)87%moderate
December Weather8°C (46°F)124 mm (4.9 inches)87%moderate

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