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September Weather in Fort Yates, United States

Last updated: June 24, 2025

In Fort Yates, United States, the average temperature in September hovers around 17°C (62°F). However, you might experience a wide range, with minimums dropping to -1°C (30°F) and maximums soaring to 35°C (95°F). During this month, expect about 58 mm (2.3 in) of precipitation spread over 7 days, coupled with an average humidity level of 73%. Prepare accordingly for the variability in weather!

September Temperature in Fort Yates

In September in Fort Yates, the average temperature is 17°C (62°F), with maximums reaching up to 35°C (95°F) and minimums dipping as low as -1°C (30°F). Be prepared for a range of temperatures to ensure a comfortable travel experience.

September Weather in Fort Yates: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Fort Yates, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Yates, September typically has an average temperature of 17°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec171431415670757162443223
Data source: Temperature data for Fort Yates 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 Fort Yates

In Fort Yates in September, the precipitation amount is 58 mm (2.3 in) over the course of 7 days.

September Precipitation Trends in Fort Yates

The chart displays monthly precipitation patterns in Fort Yates, 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 Fort Yates, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec131827396267598458691424
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fort Yates

In Fort Yates in September, humidity is 73%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making it quite uncomfortable for traveling as it can leave you feeling sticky and exhausted quickly.

September Average Humidity in Fort Yates

This chart illustrates the average monthly humidity levels in Fort Yates, 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 Fort Yates is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%72%73%75%82%83%82%73%71%78%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fort Yates

In Fort Yates in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Fort Yates.

Maximum UV Index Levels in Fort Yates for September

The chart shows the monthly maximum UV Index (UVI) for Fort Yates 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 Fort Yates typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2558910997532
Data source: Fort Yates 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 Fort Yates Compares to Other Months

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

This table compares monthly weather conditions in Fort Yates, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)13 mm (0.5 inches)78%low
February Weather-10°C (14°F)18 mm (0.7 inches)81%moderate
March Weather-1°C (31°F)27 mm (1.1 inches)71%moderate
April Weather5°C (41°F)39 mm (1.5 inches)73%very high
May Weather13°C (56°F)62 mm (2.4 inches)75%very high
June Weather21°C (70°F)67 mm (2.7 inches)82%very high
July Weather24°C (75°F)59 mm (2.3 inches)83%very high
August Weather21°C (71°F)84 mm (3.3 inches)82%very high
September Weather17°C (62°F)58 mm (2.3 inches)73%high
October Weather7°C (45°F)69 mm (2.7 inches)71%moderate
November Weather0°C (33°F)14 mm (0.5 inches)78%moderate
December Weather-5°C (24°F)24 mm (1.0 inches)76%low

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