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September Weather in Pine Ridge, United States

Last updated: June 24, 2025

In Pine Ridge, United States, the average temperature in September hovers around 18°C (65°F), with fluctuations that can dip as low as 1°C (34°F) and soar to a high of 39°C (102°F). Precipitation during this month typically totals 45 mm (1.8 in), spread across about 6 days. With an average humidity level of 76%, prepare for a pleasantly warm yet somewhat humid experience!

September Temperature in Pine Ridge

In September in Pine Ridge, the average temperature is 18°C (65°F). Maximum temperatures can reach 39°C (102°F) while minimums can dip as low as 1°C (34°F). Be prepared for a wide range of temperatures, making it essential to pack accordingly for your travels.

September Weather in Pine Ridge: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Pine Ridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pine Ridge, September typically has an average temperature of 18°C (65°F), with highs reaching up to 39°C (102°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec272437445570757264463830
Data source: Temperature data for Pine Ridge 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 Pine Ridge

In Pine Ridge in September, the precipitation amount is 45 mm (1.8 in) over the course of 6 days.

September Precipitation Trends in Pine Ridge

The chart displays monthly precipitation patterns in Pine Ridge, 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 Pine Ridge, September typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec1726606512154513845451928
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pine Ridge

In Pine Ridge in September, humidity is 76%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel a little sticky but enjoyable, as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Pine Ridge

This chart illustrates the average monthly humidity levels in Pine Ridge, 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 Pine Ridge is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%78%64%66%74%84%85%85%76%71%73%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Pine Ridge

In Pine Ridge in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Pine Ridge.

Maximum UV Index Levels in Pine Ridge for September

The chart shows the monthly maximum UV Index (UVI) for Pine Ridge 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 Pine Ridge typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356891111108543
Data source: Pine Ridge 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 Pine Ridge Compares to Other Months

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

This table compares monthly weather conditions in Pine Ridge, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)17 mm (0.7 inches)73%moderate
February Weather-5°C (24°F)26 mm (1.0 inches)78%moderate
March Weather3°C (37°F)60 mm (2.4 inches)64%high
April Weather6°C (44°F)65 mm (2.6 inches)66%very high
May Weather13°C (55°F)121 mm (4.8 inches)74%very high
June Weather21°C (70°F)54 mm (2.1 inches)84%extreme
July Weather24°C (76°F)51 mm (2.0 inches)85%extreme
August Weather22°C (72°F)38 mm (1.5 inches)85%very high
September Weather18°C (65°F)45 mm (1.8 inches)76%very high
October Weather8°C (47°F)45 mm (1.8 inches)71%moderate
November Weather4°C (39°F)18 mm (0.7 inches)73%moderate
December Weather-1°C (31°F)28 mm (1.1 inches)75%moderate

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