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September Weather in Bass Lake, United States

Last updated: June 24, 2025

In Bass Lake, United States, the average temperature in September hovers around 20°C (68°F). During this time, temperatures can dip as low as 4°C (40°F) and soar to a sweltering 33°C (92°F). Expect about 72 mm (2.8 in) of precipitation spread over 8 days, contributing to a notably high average humidity of 78%.

September Temperature in Bass Lake

In September, in Bass Lake, the average temperature is 20°C (68°F). Maximums can reach 33°C (92°F), and minimums can be as low as 4°C (40°F). It's advisable to pack layers to accommodate both warm days and cooler nights while enjoying your travels.

September Weather in Bass Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bass Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bass Lake, September typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec282940496273767368564034
Data source: Temperature data for Bass Lake 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 Bass Lake

In Bass Lake in September, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

September Precipitation Trends in Bass Lake

The chart displays monthly precipitation patterns in Bass Lake, 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 Bass Lake, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7375101106163124116104721227661
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bass Lake

In Bass Lake in September humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

September Average Humidity in Bass Lake

This chart illustrates the average monthly humidity levels in Bass Lake, 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 Bass Lake is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bass Lake

In Bass Lake in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Bass Lake.

Maximum UV Index Levels in Bass Lake for September

The chart shows the monthly maximum UV Index (UVI) for Bass Lake 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 Bass Lake typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
Data source: Bass Lake 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 Bass Lake Compares to Other Months

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

This table compares monthly weather conditions in Bass Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)73 mm (2.9 inches)85%moderate
February Weather-1°C (30°F)75 mm (2.9 inches)85%moderate
March Weather5°C (40°F)101 mm (4.0 inches)86%high
April Weather10°C (50°F)106 mm (4.2 inches)87%very high
May Weather17°C (62°F)163 mm (6.4 inches)81%very high
June Weather23°C (73°F)124 mm (4.9 inches)82%very high
July Weather24°C (76°F)116 mm (4.6 inches)81%very high
August Weather23°C (73°F)104 mm (4.1 inches)79%very high
September Weather20°C (68°F)72 mm (2.8 inches)78%very high
October Weather13°C (56°F)122 mm (4.8 inches)81%high
November Weather5°C (41°F)76 mm (3.0 inches)89%moderate
December Weather1°C (34°F)61 mm (2.4 inches)86%low

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