September Weather in West University Place, United States

Last updated: June 24, 2025

In September, the average temperature in West University Place, United States hovers around 27°C (80°F). Expect a minimum chill of 12°C (55°F) and a scorching maximum of 37°C (99°F). With 175 mm (6.9 in) of precipitation spread over 15 days, you might want an umbrella handy! Humidity levels tend to be high, averaging at 73%, setting the stage for a warm and balmy atmosphere.

September Temperature in West University Place

In September in West University Place, the average temperature is 27°C (80°F). Maximums can reach 37°C (99°F), while minimums can drop to as low as 12°C (55°F). It's advisable to pack a mix of lightweight clothing for the warm days and some layers for the cooler evenings when traveling to West University Place.

September Weather in West University Place: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in West University Place, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West University Place, September typically has an average temperature of 27°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 12°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec555866707782848480726258
Data source: Temperature data for West University Place 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 West University Place

In West University Place in September, the total precipitation amount is 175 mm (6.9 in) over the course of 15 days.

September Precipitation Trends in West University Place

The chart displays monthly precipitation patterns in West University Place, 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 West University Place, September typically receives around 175 mm (6.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec889278871711651331821759778108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in West University Place

In West University Place in September humidity is 73%. With an average temperature of 27°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling feel sticky and slightly uncomfortable, prompting frequent breaks in the shade and plenty of hydration.

September Average Humidity in West University Place

This chart illustrates the average monthly humidity levels in West University Place, 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 West University Place is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%76%79%79%74%72%68%73%75%78%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in West University Place

In West University Place in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in West University Place.

Maximum UV Index Levels in West University Place for September

The chart shows the monthly maximum UV Index (UVI) for West University Place 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 West University Place typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112111110965
Data source: West University Place 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 West University Place Compares to Other Months

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

This table compares monthly weather conditions in West University Place, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)88 mm (3.5 inches)78%moderate
February Weather14°C (58°F)92 mm (3.6 inches)81%very high
March Weather19°C (66°F)78 mm (3.1 inches)76%very high
April Weather21°C (70°F)87 mm (3.4 inches)79%extreme
May Weather25°C (78°F)171 mm (6.7 inches)79%extreme
June Weather28°C (82°F)165 mm (6.5 inches)74%extreme
July Weather29°C (84°F)133 mm (5.2 inches)71%extreme
August Weather29°C (84°F)182 mm (7.2 inches)68%extreme
September Weather27°C (80°F)175 mm (6.9 inches)73%very high
October Weather22°C (72°F)97 mm (3.8 inches)75%very high
November Weather17°C (63°F)78 mm (3.1 inches)78%high
December Weather14°C (58°F)108 mm (4.2 inches)84%moderate

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