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September Weather in Oglala, United States

Last updated: June 24, 2025

In Oglala, United States, the average temperature in September is a pleasant 18°C (65°F), making it an ideal time to explore. However, be prepared for a wide range, as temperatures can dip to a chilly 1°C (34°F) or soar to a sweltering 40°C (104°F). With an average precipitation of 43 mm (1.7 in) spread over 6 days, it's advisable to carry an umbrella. The humidity levels can be quite high at 76%, so stay hydrated as you enjoy the season!

September Temperature in Oglala

In September in Oglala, the average temperature is 18°C (65°F). Maximums can reach 40°C (104°F), and minimums can be 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 Oglala: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Oglala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oglala, September typically has an average temperature of 18°C (65°F), with highs reaching up to 40°C (104°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec272337455670777365473930
Data source: Temperature data for Oglala 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 Oglala

In Oglala in September, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

September Precipitation Trends in Oglala

The chart displays monthly precipitation patterns in Oglala, 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 Oglala, September typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec152553639951453343411726
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oglala

In Oglala 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 Oglala

This chart illustrates the average monthly humidity levels in Oglala, 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 Oglala 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 Oglala

In Oglala 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 Oglala.

Maximum UV Index Levels in Oglala for September

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

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

This table compares monthly weather conditions in Oglala, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)15 mm (0.6 inches)73%moderate
February Weather-5°C (24°F)25 mm (1.0 inches)78%moderate
March Weather3°C (37°F)52 mm (2.1 inches)64%high
April Weather7°C (45°F)63 mm (2.5 inches)66%very high
May Weather13°C (56°F)99 mm (3.9 inches)74%very high
June Weather21°C (71°F)51 mm (2.0 inches)84%extreme
July Weather25°C (77°F)45 mm (1.8 inches)85%extreme
August Weather23°C (73°F)33 mm (1.3 inches)85%very high
September Weather18°C (65°F)43 mm (1.7 inches)76%very high
October Weather8°C (47°F)41 mm (1.6 inches)71%moderate
November Weather4°C (39°F)17 mm (0.7 inches)73%moderate
December Weather-1°C (31°F)26 mm (1.0 inches)75%moderate

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