September Weather in Holly Grove, United States

Last updated: June 24, 2025

In September, the average temperature in Holly Grove, United States hovers around 25°C (77°F), offering a pleasant climate for all activities. Expect a minimum chill of 10°C (51°F) and a maximum warmth reaching 37°C (98°F). Be prepared for some moisture, as the region sees an average precipitation of 86 mm (3.4 in) spread over 7 days. With an average humidity of 71%, it's a month where the air feels comfortably fresh.

September Temperature in Holly Grove

In September in Holly Grove, the average temperature is 25°C (77°F). Maximum temperatures can reach 37°C (98°F), and the minimum can drop as low as 10°C (51°F). This makes for a pleasant time to explore and enjoy various outdoor activities.

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

The chart illustrates September temperature patterns in Holly Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Holly Grove, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (98°F) and lows dropping to around 10°C (51°F).

Data source: Temperature data for Holly Grove generated using information from the Copernicus Climate Change Service.

September Precipitation in Holly Grove

In Holly Grove in September, the total precipitation amount is 86 mm (3.4 in) over a span of 7 days.

September Precipitation Trends in Holly Grove

The chart displays monthly precipitation patterns in Holly 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 Holly Grove, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Holly Grove

In Holly Grove in September humidity is 71%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making outdoor exploration a bit sticky but still enjoyable, especially if you take breaks in shaded areas and stay hydrated.

September Average Humidity in Holly Grove

This chart illustrates the average monthly humidity levels in Holly 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 Holly Grove is approximately 71%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Holly Grove

In Holly Grove 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 Holly Grove.

Maximum UV Index Levels in Holly Grove for September

The chart shows the monthly maximum UV Index (UVI) for Holly 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 Holly Grove typically reaches 9, which falls under the very high exposure category.

Data source: Holly 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 Holly Grove Compares to Other Months

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

This table compares monthly weather conditions in Holly Grove, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	112 mm (4.4 inches)	84%	moderate
February Weather	8°C (47°F)	172 mm (6.8 inches)	83%	high
March Weather	14°C (57°F)	171 mm (6.7 inches)	81%	very high
April Weather	17°C (62°F)	141 mm (5.6 inches)	81%	very high
May Weather	23°C (73°F)	143 mm (5.6 inches)	83%	extreme
June Weather	26°C (79°F)	109 mm (4.3 inches)	83%	extreme
July Weather	28°C (82°F)	108 mm (4.3 inches)	81%	extreme
August Weather	27°C (81°F)	114 mm (4.5 inches)	74%	extreme
September Weather	25°C (77°F)	86 mm (3.4 inches)	71%	very high
October Weather	19°C (66°F)	135 mm (5.3 inches)	76%	high
November Weather	11°C (52°F)	77 mm (3.0 inches)	84%	high
December Weather	9°C (48°F)	155 mm (6.1 inches)	88%	moderate