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September Weather in Ephraim, United States

Last updated: June 24, 2025

In Ephraim, United States, the average temperature in September hovers around 15°C (60°F). However, temperatures can dip as low as -9°C (15°F) or soar up to 32°C (89°F). During this month, expect about 27 mm (1.1 in) of precipitation spread over 5 days, with humidity averaging around 47%.

September Temperature in Ephraim

In September in Ephraim, the average temperature is 15°C (60°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop to as low as -9°C (15°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Ephraim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ephraim, September typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (89°F) and lows dropping to around -9°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec222432395064716959423423
Data source: Temperature data for Ephraim 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 Ephraim

In Ephraim in September, the precipitation amount is 27 mm (1.1 in) over a period of 5 days.

September Precipitation Trends in Ephraim

The chart displays monthly precipitation patterns in Ephraim, 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 Ephraim, September typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec465055395416262027343246
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ephraim

In Ephraim in September, humidity is 47%. With an average temperature of 15°C (60°F), this humidity feels like a comfortable embrace, making travel enjoyable and pleasant as you explore the sights without feeling overly sticky or weighed down.

September Average Humidity in Ephraim

This chart illustrates the average monthly humidity levels in Ephraim, 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 Ephraim is approximately 47%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%77%70%54%45%37%34%47%67%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ephraim

In Ephraim in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Ephraim.

Maximum UV Index Levels in Ephraim for September

The chart shows the monthly maximum UV Index (UVI) for Ephraim 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 Ephraim typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121110764
Data source: Ephraim 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 Ephraim Compares to Other Months

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

This table compares monthly weather conditions in Ephraim, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)46 mm (1.8 inches)87%moderate
February Weather-4°C (25°F)50 mm (2.0 inches)88%high
March Weather0°C (33°F)55 mm (2.2 inches)77%very high
April Weather4°C (40°F)39 mm (1.5 inches)69%extreme
May Weather10°C (50°F)54 mm (2.1 inches)54%extreme
June Weather18°C (64°F)16 mm (0.6 inches)45%extreme
July Weather22°C (71°F)26 mm (1.0 inches)37%extreme
August Weather21°C (69°F)20 mm (0.8 inches)34%extreme
September Weather15°C (60°F)27 mm (1.1 inches)47%very high
October Weather6°C (42°F)34 mm (1.3 inches)67%high
November Weather1°C (34°F)32 mm (1.2 inches)82%high
December Weather-5°C (23°F)46 mm (1.8 inches)87%moderate

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