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September Weather in Milpillas, Mexico

Last updated: August 27, 2025

In Milpillas, Mexico, the average temperature in September is a warm 26°C (79°F). Expect a range, with minimums dipping to 16°C (60°F) and maximums soaring to 38°C (100°F). During this month, you can anticipate about 115 mm (4.5 in) of precipitation over 16 days, contributing to an average humidity of 82%. Stay prepared for a mix of warmth and moisture!

September Temperature in Milpillas

In September in Milpillas, the average temperature is 26°C (79°F). Maximums can reach 38°C (100°F), and minimums can be as low as 16°C (60°F). It's an ideal time for travelers seeking warm weather while also enjoying cooler evenings.

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

The chart illustrates September temperature patterns in Milpillas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Milpillas, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (100°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec606267737884808078766961
Data source: Temperature data for Milpillas 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 Milpillas

In Milpillas in September, the precipitation amount is 115 mm (4.5 in) over a span of 16 days.

September Precipitation Trends in Milpillas

The chart displays monthly precipitation patterns in Milpillas, 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 Milpillas, September typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec3233212250217161115375030
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Milpillas

In Milpillas in September, humidity is 82%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket that envelops you, making outdoor activities feel more taxing and requiring frequent breaks to stay hydrated.

September Average Humidity in Milpillas

This chart illustrates the average monthly humidity levels in Milpillas, 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 Milpillas is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%67%60%51%47%50%70%82%82%78%78%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Milpillas

In Milpillas in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Milpillas.

Maximum UV Index Levels in Milpillas for September

The chart shows the monthly maximum UV Index (UVI) for Milpillas 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 Milpillas typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69101313121213121076
Data source: Milpillas 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 Milpillas Compares to Other Months

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

This table compares monthly weather conditions in Milpillas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)32 mm (1.2 inches)74%high
February Weather17°C (62°F)33 mm (1.3 inches)67%very high
March Weather19°C (67°F)21 mm (0.8 inches)60%very high
April Weather23°C (73°F)2 mm (0.1 inches)51%extreme
May Weather26°C (79°F)2 mm (0.1 inches)47%extreme
June Weather29°C (84°F)50 mm (2.0 inches)50%extreme
July Weather26°C (80°F)217 mm (8.5 inches)70%extreme
August Weather26°C (80°F)161 mm (6.3 inches)81%extreme
September Weather26°C (79°F)115 mm (4.5 inches)82%extreme
October Weather24°C (76°F)37 mm (1.4 inches)78%very high
November Weather20°C (69°F)50 mm (2.0 inches)78%high
December Weather16°C (61°F)30 mm (1.2 inches)80%high

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