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September Weather in Lamar, United States

Last updated: June 24, 2025

In September, the average temperature in Lamar, United States is a pleasant 24°C (75°F), with the mercury dipping as low as 8°C (47°F) and soaring up to a warm 35°C (96°F). Expect about 69 mm (2.7 in) of precipitation over 6 days, accompanied by an average humidity of 59%. Whether you're enjoying the sun or dodging a rain shower, it's a month full of delightful weather!

September Temperature in Lamar

In September in Lamar, the average temperature is 24°C (75°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 8°C (47°F). This range makes it an ideal time for travelers to enjoy both warm days and cooler evenings.

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 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec394253586876807874624945
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 69 mm (2.7 in) over a period 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 69 mm (2.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec100139159161217112801246911396108
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 59%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making outdoor activities refreshing yet slightly sticky, perfect for leisurely strolls but reminding travelers to stay hydrated.

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 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
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 Weather4°C (40°F)100 mm (3.9 inches)82%moderate
February Weather6°C (43°F)139 mm (5.5 inches)79%high
March Weather11°C (53°F)159 mm (6.3 inches)77%very high
April Weather15°C (58°F)161 mm (6.3 inches)78%very high
May Weather20°C (68°F)217 mm (8.5 inches)82%extreme
June Weather25°C (76°F)112 mm (4.4 inches)81%extreme
July Weather27°C (80°F)80 mm (3.2 inches)75%extreme
August Weather26°C (78°F)124 mm (4.9 inches)61%very high
September Weather24°C (75°F)69 mm (2.7 inches)59%very high
October Weather16°C (62°F)113 mm (4.5 inches)69%high
November Weather9°C (49°F)96 mm (3.8 inches)82%moderate
December Weather7°C (45°F)108 mm (4.2 inches)87%moderate

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