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September Weather in Lawton, United States

Last updated: June 24, 2025

In Lawton, United States, the average temperature in September hovers around 20°C (68°F). During this time, temperatures can dip to a chilly 4°C (39°F) or soar to a sweltering 34°C (94°F). Expect around 107 mm (4.2 in) of precipitation spread over approximately 10 days, with an average humidity level of a comfortable 75%.

September Temperature in Lawton

In September in Lawton, the average temperature is 20°C (68°F). Maximum temperatures can reach 34°C (94°F), while minimums can dip as low as 4°C (39°F). It's a great time to visit for a mix of warm days and cooler evenings, perfect for outdoor adventures and exploration.

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

The chart illustrates September temperature patterns in Lawton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lawton, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec222238476174777367503728
Data source: Temperature data for Lawton 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 Lawton

In Lawton in September, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.

September Precipitation Trends in Lawton

The chart displays monthly precipitation patterns in Lawton, 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 Lawton, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2931798013910659113107772740
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lawton

In Lawton in September, humidity is 75%. With an average temperature of 20°C (68°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and exhausted.

September Average Humidity in Lawton

This chart illustrates the average monthly humidity levels in Lawton, 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 Lawton is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%75%79%74%81%82%80%75%77%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lawton

In Lawton 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 Lawton.

Maximum UV Index Levels in Lawton for September

The chart shows the monthly maximum UV Index (UVI) for Lawton 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 Lawton typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589111098532
Data source: Lawton 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 Lawton Compares to Other Months

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

This table compares monthly weather conditions in Lawton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)28 mm (1.1 inches)80%moderate
February Weather-5°C (22°F)31 mm (1.2 inches)84%moderate
March Weather3°C (38°F)79 mm (3.1 inches)75%moderate
April Weather8°C (48°F)80 mm (3.2 inches)79%very high
May Weather16°C (61°F)139 mm (5.5 inches)74%very high
June Weather23°C (74°F)106 mm (4.2 inches)81%extreme
July Weather25°C (77°F)59 mm (2.3 inches)82%very high
August Weather23°C (73°F)113 mm (4.4 inches)80%very high
September Weather20°C (68°F)107 mm (4.2 inches)75%very high
October Weather10°C (51°F)77 mm (3.0 inches)77%moderate
November Weather3°C (37°F)27 mm (1.1 inches)85%moderate
December Weather-2°C (29°F)40 mm (1.6 inches)83%low

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