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September Weather in Mission Hills, United States

Last updated: June 24, 2025

In Mission Hills, United States, the average temperature in September hovers around 22°C (72°F). You'll experience a minimum chill of 5°C (41°F) and can bask in a maximum warmth of 33°C (92°F). Expect about 87 mm (3.4 in) of precipitation spread over 7 days, along with an average humidity level of 72%. It's a month that blends pleasant temperatures with occasional refreshing rain!

September Temperature in Mission Hills

In September in Mission Hills, the average temperature is 22°C (72°F). Maximum temperatures can reach 33°C (92°F), while the minimum can drop to as low as 5°C (41°F). This variation in temperatures makes Mission Hills an ideal destination for travelers looking to experience both warm days and cooler evenings.

September Weather in Mission Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mission Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mission Hills, September typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec313346546677797672574438
Data source: Temperature data for Mission Hills 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 Mission Hills

In Mission Hills in September, the precipitation amount is 87 mm (3.4 in) over a span of 7 days.

September Precipitation Trends in Mission Hills

The chart displays monthly precipitation patterns in Mission Hills, 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 Mission Hills, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec5640979321594118126871134733
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mission Hills

In Mission Hills in September humidity is 72%. With an average temperature of 22°C (72°F), this humidity feels like you are stepping into a warm, embracing blanket, making traveling feel sweaty and slightly stifling, but the balmy weather is also quite perfect for exploring local attractions.

September Average Humidity in Mission Hills

This chart illustrates the average monthly humidity levels in Mission Hills, 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 Mission Hills is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mission Hills

In Mission Hills 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 Mission Hills.

Maximum UV Index Levels in Mission Hills for September

The chart shows the monthly maximum UV Index (UVI) for Mission Hills 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 Mission Hills typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Mission Hills 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 Mission Hills Compares to Other Months

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

This table compares monthly weather conditions in Mission Hills, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)56 mm (2.2 inches)80%moderate
February Weather0°C (33°F)40 mm (1.6 inches)78%moderate
March Weather8°C (47°F)97 mm (3.8 inches)75%high
April Weather12°C (54°F)93 mm (3.7 inches)77%very high
May Weather19°C (66°F)215 mm (8.5 inches)82%very high
June Weather25°C (77°F)94 mm (3.7 inches)83%extreme
July Weather26°C (80°F)118 mm (4.6 inches)81%extreme
August Weather25°C (77°F)126 mm (5.0 inches)78%very high
September Weather22°C (72°F)87 mm (3.4 inches)72%very high
October Weather14°C (57°F)113 mm (4.5 inches)72%high
November Weather7°C (44°F)47 mm (1.8 inches)84%moderate
December Weather3°C (38°F)33 mm (1.3 inches)86%moderate

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