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September Weather in Bishop, United States

Last updated: June 24, 2025

In September, the average temperature in Bishop, United States is a mild 15°C (60°F). Visitors can expect a minimum temperature of -3°C (27°F) and a maximum of 30°C (86°F). Rainfall is light, with an average precipitation of just 15 mm (0.6 in) over the course of 3 days, while the humidity hovers around a comfortable 42%.

September Temperature in Bishop

In September in Bishop, the average temperature is 15°C (60°F). The maximum can reach 30°C (86°F), and the minimum can be as low as -3°C (27°F). It's advisable to pack layers to accommodate the varying temperatures, ensuring a comfortable travel experience.

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

The chart illustrates September temperature patterns in Bishop, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bishop, September typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (86°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec272731404861686760483928
Data source: Temperature data for Bishop 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 Bishop

In Bishop in September, the precipitation amount is 15 mm (0.6 in) over the course of 3 days.

September Precipitation Trends in Bishop

The chart displays monthly precipitation patterns in Bishop, 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 Bishop, September typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec11611280414013382315184471
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bishop

In Bishop in September, humidity is 42%. With an average temperature of 15°C (60°F), this humidity feels like a refreshing breeze that gently cools you down while exploring the surroundings, making it comfortable for walking and sightseeing.

September Average Humidity in Bishop

This chart illustrates the average monthly humidity levels in Bishop, 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 Bishop 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 Bishop

In Bishop in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Bishop.

Maximum UV Index Levels in Bishop for September

The chart shows the monthly maximum UV Index (UVI) for Bishop 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 Bishop typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111213131211864
Data source: Bishop 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 Bishop Compares to Other Months

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

This table compares monthly weather conditions in Bishop, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)116 mm (4.6 inches)82%moderate
February Weather-3°C (27°F)112 mm (4.4 inches)85%high
March Weather-1°C (31°F)80 mm (3.2 inches)80%very high
April Weather4°C (40°F)40 mm (1.6 inches)72%extreme
May Weather9°C (49°F)40 mm (1.6 inches)58%extreme
June Weather16°C (62°F)13 mm (0.5 inches)49%extreme
July Weather20°C (68°F)38 mm (1.5 inches)36%extreme
August Weather19°C (67°F)23 mm (0.9 inches)30%extreme
September Weather15°C (60°F)15 mm (0.6 inches)42%extreme
October Weather9°C (49°F)18 mm (0.7 inches)59%very high
November Weather4°C (40°F)44 mm (1.7 inches)78%high
December Weather-2°C (28°F)71 mm (2.8 inches)79%moderate

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