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September Weather in Webb, United States

Last updated: June 24, 2025

In September, the average temperature in Webb, United States reaches a pleasant 25°C (78°F). However, temperatures can vary significantly, with a minimum of 11°C (52°F) and a peak of 37°C (100°F). Expect 103 mm (4.1 in) of precipitation spread over 6 days, accompanied by an average humidity level of 73%.

September Temperature in Webb

In September in Webb, the average temperature is 25°C (78°F). Maximums can reach 37°C (100°F), while minimums can dip as low as 11°C (52°F). This variability makes it essential to pack accordingly for your travels.

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

The chart illustrates September temperature patterns in Webb, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Webb, September typically has an average temperature of 25°C (78°F), with highs reaching up to 37°C (100°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec454958637379828177665249
Data source: Temperature data for Webb 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 Webb

In Webb in September, the precipitation amount is 103 mm (4.1 in) over the course of 6 days.

September Precipitation Trends in Webb

The chart displays monthly precipitation patterns in Webb, 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 Webb, September typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec11819816414711813110911910310886140
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Webb

In Webb in September, humidity is 73%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, heavy blanket that wraps around you, making travel feel sluggish and requiring regular breaks to stay refreshed.

September Average Humidity in Webb

This chart illustrates the average monthly humidity levels in Webb, 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 Webb is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%80%82%83%80%80%75%73%76%84%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Webb

In Webb 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 Webb.

Maximum UV Index Levels in Webb for September

The chart shows the monthly maximum UV Index (UVI) for Webb 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 Webb typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111211119764
Data source: Webb 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 Webb Compares to Other Months

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

This table compares monthly weather conditions in Webb, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)118 mm (4.6 inches)84%moderate
February Weather9°C (49°F)198 mm (7.8 inches)83%high
March Weather14°C (58°F)164 mm (6.5 inches)80%very high
April Weather17°C (63°F)147 mm (5.8 inches)82%very high
May Weather23°C (73°F)118 mm (4.7 inches)83%extreme
June Weather26°C (79°F)131 mm (5.1 inches)80%extreme
July Weather28°C (82°F)109 mm (4.3 inches)80%extreme
August Weather27°C (81°F)119 mm (4.7 inches)75%extreme
September Weather25°C (78°F)103 mm (4.1 inches)73%very high
October Weather19°C (66°F)108 mm (4.2 inches)76%high
November Weather11°C (53°F)86 mm (3.4 inches)84%high
December Weather10°C (50°F)140 mm (5.5 inches)88%moderate

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