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September Weather in Plainview, United States

Last updated: June 24, 2025

In Plainview, United States, the average temperature in September hovers around 24°C (76°F), making it a pleasant destination. However, temperatures can vary significantly, with a minimum of 9°C (49°F) and soaring up to 38°C (100°F). Expect about 62 mm (2.5 in) of precipitation spread over 6 days, which contributes to an average humidity level of 59%. Whether you're seeking warmth or a cooler retreat, this month offers a diverse climate experience!

September Temperature in Plainview

In September in Plainview, the average temperature is 24°C (76°F). Maximum can reach 38°C (100°F) and minimum can be as low as 9°C (49°F). This makes it an ideal time to explore outdoor activities while being prepared for varying weather conditions.

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

The chart illustrates September temperature patterns in Plainview, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plainview, September typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (100°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec414555607078818076645147
Data source: Temperature data for Plainview 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 Plainview

In Plainview in September, the precipitation amount is 62 mm (2.5 in) over the course of 6 days.

September Precipitation Trends in Plainview

The chart displays monthly precipitation patterns in Plainview, 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 Plainview, September typically receives around 62 mm (2.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec821361331461771199813062837398
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Plainview

In Plainview in September humidity is 59%. With an average temperature of 24°C (76°F), this humidity feels like a comfortable, refreshing embrace, making it ideal for leisurely strolls and outdoor explorations.

September Average Humidity in Plainview

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

In Plainview 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 Plainview.

Maximum UV Index Levels in Plainview for September

The chart shows the monthly maximum UV Index (UVI) for Plainview 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 Plainview typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109754
Data source: Plainview 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 Plainview Compares to Other Months

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

This table compares monthly weather conditions in Plainview, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)82 mm (3.2 inches)82%moderate
February Weather7°C (45°F)136 mm (5.4 inches)79%high
March Weather13°C (55°F)133 mm (5.2 inches)77%very high
April Weather16°C (60°F)146 mm (5.8 inches)78%very high
May Weather21°C (70°F)177 mm (7.0 inches)82%very high
June Weather26°C (79°F)119 mm (4.7 inches)81%extreme
July Weather27°C (82°F)98 mm (3.9 inches)75%extreme
August Weather26°C (80°F)130 mm (5.1 inches)61%very high
September Weather24°C (76°F)62 mm (2.5 inches)59%very high
October Weather18°C (64°F)83 mm (3.3 inches)69%high
November Weather11°C (51°F)73 mm (2.9 inches)82%moderate
December Weather8°C (47°F)98 mm (3.9 inches)87%moderate

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