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September Weather in Boyce, United States

Last updated: June 24, 2025

In Boyce, United States, the average temperature in September hovers around 21°C (70°F). However, be prepared for a temperature range that can dip to a chilly 3°C (38°F) and soar up to a sizzling 35°C (96°F). During this month, you can expect 107 mm (4.2 in) of precipitation spread over 9 days, alongside an average humidity level of 68%.

September Temperature in Boyce

In September in Boyce, the average temperature is 21°C (70°F). Maximums can reach 35°C (96°F), and minimums can be as low as 3°C (38°F). This diverse temperature range makes Boyce an ideal destination for travelers looking to enjoy both warm and cooler activities.

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

The chart illustrates September temperature patterns in Boyce, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boyce, September typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (96°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec364045556573797670604539
Data source: Temperature data for Boyce 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 Boyce

In Boyce in September, the precipitation amount is 107 mm (4.2 in), occurring over a span of 9 days.

September Precipitation Trends in Boyce

The chart displays monthly precipitation patterns in Boyce, 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 Boyce, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5887789912910598109107998288
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Boyce

In Boyce in September humidity is 68%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making the air feel slightly heavy and sticky, which can be quite exhausting for travelers.

September Average Humidity in Boyce

This chart illustrates the average monthly humidity levels in Boyce, 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 Boyce is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Boyce

In Boyce 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 Boyce.

Maximum UV Index Levels in Boyce for September

The chart shows the monthly maximum UV Index (UVI) for Boyce 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 Boyce typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Boyce 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 Boyce Compares to Other Months

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

This table compares monthly weather conditions in Boyce, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)58 mm (2.3 inches)86%moderate
February Weather4°C (40°F)87 mm (3.4 inches)86%moderate
March Weather7°C (46°F)78 mm (3.1 inches)86%high
April Weather13°C (56°F)99 mm (3.9 inches)84%very high
May Weather18°C (65°F)129 mm (5.1 inches)78%very high
June Weather23°C (74°F)105 mm (4.2 inches)79%very high
July Weather26°C (79°F)98 mm (3.9 inches)70%very high
August Weather25°C (76°F)109 mm (4.3 inches)59%very high
September Weather21°C (70°F)107 mm (4.2 inches)68%very high
October Weather16°C (61°F)99 mm (3.9 inches)80%high
November Weather7°C (46°F)82 mm (3.2 inches)86%moderate
December Weather4°C (40°F)88 mm (3.5 inches)85%moderate

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