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September Weather in Lusk, United States

Last updated: June 24, 2025

In September, the average temperature in Lusk, United States hovers around 17°C (63°F). Expect a temperature range with lows of -5°C (24°F) and highs soaring to 38°C (100°F). During this month, you can anticipate 35 mm (1.4 in) of precipitation over approximately 6 days, coupled with an average humidity of 76%. Stay prepared for a mix of weather!

September Temperature in Lusk

In September in Lusk, the average temperature is 17°C (63°F). Maximums can reach 38°C (100°F), while minimums can drop as low as -5°C (24°F). Be prepared for a wide range of temperatures, making it essential to pack both light clothing and warmer layers for your trip.

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

The chart illustrates September temperature patterns in Lusk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lusk, September typically has an average temperature of 17°C (63°F), with highs reaching up to 38°C (100°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec262436425266737062443729
Data source: Temperature data for Lusk 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 Lusk

In Lusk in September, the total precipitation amount is 35 mm (1.4 in) spread over a period of 6 days.

September Precipitation Trends in Lusk

The chart displays monthly precipitation patterns in Lusk, 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 Lusk, September typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec172755558747453235412226
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lusk

In Lusk in September humidity is 76%. With an average temperature of 17°C (63°F), this humidity feels like traveling through a warm, enveloping blanket, making every outdoor adventure feel sticky and heavy, yet pleasantly refreshing when you find a cool breeze.

September Average Humidity in Lusk

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

In Lusk 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 Lusk.

Maximum UV Index Levels in Lusk for September

The chart shows the monthly maximum UV Index (UVI) for Lusk 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 Lusk typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35611101111108643
Data source: Lusk 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 Lusk Compares to Other Months

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

This table compares monthly weather conditions in Lusk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)16 mm (0.6 inches)73%moderate
February Weather-5°C (24°F)27 mm (1.1 inches)78%moderate
March Weather2°C (36°F)55 mm (2.2 inches)64%high
April Weather5°C (42°F)55 mm (2.2 inches)66%extreme
May Weather11°C (52°F)87 mm (3.4 inches)74%very high
June Weather19°C (66°F)47 mm (1.8 inches)84%extreme
July Weather23°C (73°F)45 mm (1.8 inches)85%extreme
August Weather21°C (70°F)32 mm (1.2 inches)85%very high
September Weather17°C (63°F)35 mm (1.4 inches)76%very high
October Weather7°C (44°F)41 mm (1.6 inches)71%high
November Weather3°C (37°F)22 mm (0.9 inches)73%moderate
December Weather-2°C (29°F)26 mm (1.0 inches)75%moderate

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