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September Weather in Oak Grove, United States

Last updated: June 24, 2025

In September, the average temperature in Oak Grove, United States is a warm 27°C (80°F). You can expect temperatures to range from a cool 10°C (51°F) to a scorching 39°C (102°F). Rain is likely, with 96 mm (3.8 in) of precipitation spread over about 8 days. The air is moderately humid, averaging around 65%, making it a typical month for the region.

September Temperature in Oak Grove

In September in Oak Grove, the average temperature is 27°C (80°F). Maximums can reach 39°C (102°F), while minimums can drop as low as 10°C (51°F). It's advisable to pack for both warm days and cooler nights for your trip.

September Weather in Oak Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Oak Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oak Grove, September typically has an average temperature of 27°C (80°F), with highs reaching up to 39°C (102°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec485061657481858580685752
Data source: Temperature data for Oak Grove 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 Oak Grove

In Oak Grove in September, the precipitation amount is 96 mm (3.8 in) over the course of 8 days.

September Precipitation Trends in Oak Grove

The chart displays monthly precipitation patterns in Oak Grove, 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 Oak Grove, September typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec76117107140173916985961375780
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oak Grove

In Oak Grove in September humidity is 65%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket wrapped around you, making outdoor exploration a bit sticky but still enjoyable. The air feels thick and slightly heavy, which can lead to quicker fatigue during sightseeing, so it’s wise to stay hydrated and take breaks in the shade.

September Average Humidity in Oak Grove

This chart illustrates the average monthly humidity levels in Oak Grove, 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 Oak Grove is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oak Grove

In Oak Grove 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 Oak Grove.

Maximum UV Index Levels in Oak Grove for September

The chart shows the monthly maximum UV Index (UVI) for Oak Grove 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 Oak Grove typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Oak Grove 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 Oak Grove Compares to Other Months

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

This table compares monthly weather conditions in Oak Grove, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)76 mm (3.0 inches)80%moderate
February Weather10°C (50°F)117 mm (4.6 inches)79%high
March Weather16°C (61°F)107 mm (4.2 inches)78%very high
April Weather19°C (66°F)140 mm (5.5 inches)78%very high
May Weather24°C (75°F)173 mm (6.8 inches)81%extreme
June Weather27°C (82°F)91 mm (3.6 inches)78%extreme
July Weather29°C (85°F)69 mm (2.7 inches)73%extreme
August Weather29°C (85°F)85 mm (3.4 inches)66%extreme
September Weather27°C (80°F)96 mm (3.8 inches)65%very high
October Weather20°C (69°F)137 mm (5.4 inches)72%very high
November Weather14°C (57°F)57 mm (2.2 inches)82%high
December Weather11°C (53°F)80 mm (3.2 inches)87%moderate

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