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September Weather in Hollow Rock, United States

Last updated: June 24, 2025

In September, the average temperature in Hollow Rock, United States is a pleasant 24°C (75°F). Expect a range of temperatures, with a minimum of 11°C (51°F) and a maximum reaching up to 37°C (99°F). The region experiences a total precipitation of 110 mm (4.3 in) spread across 8 days, contributing to an average humidity level of 70%. Get ready for a mix of warm days and refreshing rain!

September Temperature in Hollow Rock

In September in Hollow Rock, the average temperature is 24°C (75°F). Maximums can reach 37°C (99°F) and minimums can be as low as 11°C (51°F). It's an ideal time for travelers to experience pleasant warmth during the day while being prepared for cooler evenings.

September Weather in Hollow Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hollow Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hollow Rock, September typically has an average temperature of 24°C (75°F), with highs reaching up to 37°C (99°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec414453597077817875634946
Data source: Temperature data for Hollow Rock 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 Hollow Rock

In Hollow Rock in September, the precipitation amount is 110 mm (4.3 in) over a period of 8 days.

September Precipitation Trends in Hollow Rock

The chart displays monthly precipitation patterns in Hollow Rock, 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 Hollow Rock, September typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec10217616616712311612311611013191137
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hollow Rock

In Hollow Rock in September, humidity is 70%. With an average temperature of 24°C (75°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities a bit sluggish and sticky, ideal for leisurely strolls but requiring plenty of hydration.

September Average Humidity in Hollow Rock

This chart illustrates the average monthly humidity levels in Hollow Rock, 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 Hollow Rock is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hollow Rock

In Hollow Rock 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 Hollow Rock.

Maximum UV Index Levels in Hollow Rock for September

The chart shows the monthly maximum UV Index (UVI) for Hollow Rock 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 Hollow Rock typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
Data source: Hollow Rock 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 Hollow Rock Compares to Other Months

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

This table compares monthly weather conditions in Hollow Rock, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)102 mm (4.0 inches)86%moderate
February Weather7°C (45°F)176 mm (6.9 inches)85%high
March Weather12°C (53°F)166 mm (6.5 inches)84%high
April Weather15°C (59°F)167 mm (6.6 inches)81%very high
May Weather21°C (70°F)123 mm (4.8 inches)83%extreme
June Weather25°C (78°F)116 mm (4.6 inches)83%extreme
July Weather27°C (81°F)123 mm (4.8 inches)80%extreme
August Weather26°C (79°F)116 mm (4.6 inches)73%very high
September Weather24°C (75°F)110 mm (4.3 inches)70%very high
October Weather17°C (64°F)131 mm (5.1 inches)73%high
November Weather9°C (49°F)91 mm (3.6 inches)85%moderate
December Weather8°C (46°F)137 mm (5.4 inches)88%moderate

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