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September Weather in Yosemite Lakes, United States

Last updated: June 24, 2025

In Yosemite Lakes, United States, the average temperature in September hovers around 24°C (75°F), offering a pleasant climate for outdoor activities. However, temperatures can vary significantly, dipping as low as 7°C (44°F) and soaring up to a scorching 41°C (106°F). Expect minimal precipitation, with an average of just 4 mm (0.2 in) reported over 0 days, and enjoy a comfortable average humidity level of 42%.

September Temperature in Yosemite Lakes

In September in Yosemite Lakes, the average temperature is 24°C (75°F). Maximums can reach 41°C (106°F), and minimums can be as low as 7°C (44°F). Be sure to pack for both warm days and cooler nights when traveling to Yosemite Lakes during this time.

September Weather in Yosemite Lakes: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Yosemite Lakes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yosemite Lakes, September typically has an average temperature of 24°C (75°F), with highs reaching up to 41°C (106°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec464750586575828174635346
Data source: Temperature data for Yosemite Lakes 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 Yosemite Lakes

In Yosemite Lakes in September, the precipitation amount is 4 mm (0.2 in) over the course of 0 days.

September Precipitation Trends in Yosemite Lakes

The chart displays monthly precipitation patterns in Yosemite Lakes, 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 Yosemite Lakes, September typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec167154164623810142864116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yosemite Lakes

In Yosemite Lakes in September humidity is 42%. With an average temperature of 24°C (75°F), this humidity feels like a comfortable and pleasant environment for traveling, allowing you to explore the sights without feeling overly sticky or fatigued.

September Average Humidity in Yosemite Lakes

This chart illustrates the average monthly humidity levels in Yosemite Lakes, 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 Yosemite Lakes is approximately 42%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%85%80%72%58%49%36%30%42%59%78%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yosemite Lakes

In Yosemite Lakes 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 Yosemite Lakes.

Maximum UV Index Levels in Yosemite Lakes for September

The chart shows the monthly maximum UV Index (UVI) for Yosemite Lakes 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 Yosemite Lakes typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111212119753
Data source: Yosemite Lakes 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 Yosemite Lakes Compares to Other Months

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

This table compares monthly weather conditions in Yosemite Lakes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)167 mm (6.6 inches)82%moderate
February Weather8°C (47°F)154 mm (6.1 inches)85%moderate
March Weather10°C (51°F)164 mm (6.4 inches)80%very high
April Weather14°C (58°F)62 mm (2.4 inches)72%very high
May Weather18°C (65°F)38 mm (1.5 inches)58%extreme
June Weather24°C (75°F)1 mm (0.1 inches)49%extreme
July Weather28°C (83°F)0 mm (0.0 inches)36%extreme
August Weather27°C (82°F)1 mm (0.0 inches)30%extreme
September Weather24°C (75°F)4 mm (0.2 inches)42%very high
October Weather17°C (63°F)28 mm (1.1 inches)59%high
November Weather12°C (54°F)64 mm (2.5 inches)78%moderate
December Weather8°C (46°F)116 mm (4.6 inches)79%moderate

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