nomadseason

September Weather in Baker City, United States

Last updated: June 24, 2025

In September, the average temperature in Baker City, United States hovers around 16°C (61°F), with extremes ranging from a chilly 0°C (33°F) to a scorching 36°C (96°F). Expect about 14 mm (0.6 in) of precipitation spread over 3 days, contributing to an average humidity of 58%.

September Temperature in Baker City

In September in Baker City, the average temperature is 16°C (61°F). The maximum can reach 36°C (96°F), and the minimum can be as low as 0°C (33°F). This makes Baker City a great destination for travelers seeking a range of temperatures, so be sure to pack accordingly!

September Weather in Baker City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Baker City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Baker City, September typically has an average temperature of 16°C (61°F), with highs reaching up to 36°C (96°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec272938455362727060463629
Data source: Temperature data for Baker City generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Baker City

In Baker City in September, the precipitation amount is 14 mm (0.6 in) accumulated over the course of 3 days.

September Precipitation Trends in Baker City

The chart displays monthly precipitation patterns in Baker City, 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 Baker City, September typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec59725141472821115293651
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Baker City

In Baker City in September humidity is 58%. With an average temperature of 16°C (61°F), this humidity feels like a soft blanket enveloping you, making it ideal for leisurely sightseeing but slightly muggy if you're engaging in more strenuous activities.

September Average Humidity in Baker City

This chart illustrates the average monthly humidity levels in Baker City, 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 Baker City is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%85%83%77%81%77%60%58%75%85%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Baker City

In Baker City 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 Baker City.

Maximum UV Index Levels in Baker City for September

The chart shows the monthly maximum UV Index (UVI) for Baker City 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 Baker City typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110108542
Data source: Baker City 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 Baker City Compares to Other Months

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

This table compares monthly weather conditions in Baker City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)59 mm (2.3 inches)86%moderate
February Weather-2°C (29°F)72 mm (2.8 inches)86%moderate
March Weather3°C (38°F)51 mm (2.0 inches)85%high
April Weather7°C (45°F)41 mm (1.6 inches)83%very high
May Weather12°C (53°F)47 mm (1.8 inches)77%very high
June Weather17°C (62°F)28 mm (1.1 inches)81%extreme
July Weather22°C (72°F)2 mm (0.1 inches)76%very high
August Weather21°C (71°F)11 mm (0.4 inches)60%very high
September Weather16°C (61°F)14 mm (0.6 inches)58%very high
October Weather8°C (47°F)29 mm (1.2 inches)75%moderate
November Weather2°C (36°F)36 mm (1.4 inches)85%moderate
December Weather-2°C (29°F)51 mm (2.0 inches)87%low

Compare Baker City's Climate with Cities Worldwide