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September Weather in Edgemont, United States

Last updated: June 24, 2025

In September, the average temperature in Edgemont, United States hovers around 18°C (64°F), with a wide range that can dip to a chilly 0°C (32°F) and soar to a sweltering 40°C (105°F). Expect about 33 mm (1.3 in) of precipitation over 6 days, while the average humidity sits at a comfortable 76%.

September Temperature in Edgemont

In September in Edgemont, the average temperature is 18°C (64°F). Maximums can reach 40°C (105°F) and minimums can be as low as 0°C (32°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

September Weather in Edgemont: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Edgemont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Edgemont, September typically has an average temperature of 18°C (64°F), with highs reaching up to 40°C (105°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec272437445569757264463830
Data source: Temperature data for Edgemont 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 Edgemont

In Edgemont, in September, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

September Precipitation Trends in Edgemont

The chart displays monthly precipitation patterns in Edgemont, 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 Edgemont, September typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec152745598358533533472023
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Edgemont

In Edgemont in September, humidity is 76%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel steamy and invigorating—perfect for exploring charming streets, though you might want to take breaks in the shade.

September Average Humidity in Edgemont

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

In Edgemont 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 Edgemont.

Maximum UV Index Levels in Edgemont for September

The chart shows the monthly maximum UV Index (UVI) for Edgemont 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 Edgemont typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356891111108643
Data source: Edgemont 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 Edgemont Compares to Other Months

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

This table compares monthly weather conditions in Edgemont, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)15 mm (0.6 inches)73%moderate
February Weather-5°C (24°F)26 mm (1.0 inches)78%moderate
March Weather3°C (38°F)45 mm (1.8 inches)64%high
April Weather7°C (44°F)59 mm (2.3 inches)66%very high
May Weather13°C (55°F)83 mm (3.3 inches)74%very high
June Weather21°C (69°F)58 mm (2.3 inches)84%extreme
July Weather24°C (75°F)53 mm (2.1 inches)85%extreme
August Weather22°C (72°F)35 mm (1.4 inches)85%very high
September Weather18°C (64°F)33 mm (1.3 inches)76%very high
October Weather8°C (46°F)47 mm (1.8 inches)71%high
November Weather3°C (38°F)20 mm (0.8 inches)73%moderate
December Weather-1°C (31°F)23 mm (0.9 inches)75%moderate

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