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September Weather in Lamar, United States

Last updated: June 24, 2025

In Lamar, United States, the average temperature in September hovers around 23°C (74°F), offering a pleasant climate for visitors. However, temperatures can vary significantly, with a minimum of 7°C (45°F) and a maximum of 35°C (96°F). Be prepared for some rain, as the area receives an average precipitation of 83 mm (3.3 in) over approximately 6 days during the month. With an average humidity of 64%, it's sure to feel comfortably warm.

September Temperature in Lamar

In September in Lamar, the average temperature is 23°C (74°F). Maximum temperatures can reach up to 35°C (96°F), while minimums can drop as low as 7°C (45°F). This makes it an ideal time to explore Lamar, with warm days perfect for sightseeing and cooler evenings perfect for a cozy retreat.

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

The chart illustrates September temperature patterns in Lamar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lamar, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (96°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec353750566777807873594741
Data source: Temperature data for Lamar 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 Lamar

In Lamar in September, the precipitation amount is 83 mm (3.3 in) over the course of 6 days.

September Precipitation Trends in Lamar

The chart displays monthly precipitation patterns in Lamar, 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 Lamar, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec71621361301738994126831225542
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lamar

In Lamar in September, humidity is 64%. With an average temperature of 23°C (74°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration enjoyable yet slightly sticky, so it's best to stay hydrated and take breaks in the shade while traveling.

September Average Humidity in Lamar

This chart illustrates the average monthly humidity levels in Lamar, 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 Lamar is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lamar

In Lamar in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Lamar.

Maximum UV Index Levels in Lamar for September

The chart shows the monthly maximum UV Index (UVI) for Lamar 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 Lamar typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111109753
Data source: Lamar 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 Lamar Compares to Other Months

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

This table compares monthly weather conditions in Lamar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)71 mm (2.8 inches)81%moderate
February Weather3°C (38°F)62 mm (2.5 inches)78%moderate
March Weather10°C (50°F)136 mm (5.4 inches)76%high
April Weather14°C (57°F)130 mm (5.1 inches)78%very high
May Weather20°C (67°F)173 mm (6.8 inches)83%very high
June Weather25°C (78°F)89 mm (3.5 inches)83%extreme
July Weather27°C (81°F)94 mm (3.7 inches)78%extreme
August Weather25°C (78°F)126 mm (5.0 inches)68%very high
September Weather23°C (74°F)83 mm (3.3 inches)64%very high
October Weather15°C (60°F)122 mm (4.8 inches)70%high
November Weather8°C (47°F)55 mm (2.2 inches)83%moderate
December Weather5°C (42°F)42 mm (1.7 inches)87%moderate

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