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September Weather in Bertrand, United States

Last updated: June 24, 2025

In Bertrand, United States, the average temperature in September hovers around 20°C (69°F), with a minimum dipping as low as 3°C (38°F) and a possible maximum soaring to 36°C (97°F). Expect about 50 mm (2.0 in) of precipitation over the course of 5 days, accompanied by an average humidity level of 77%. Perfect your packing and prepare for a delightful blend of weather!

September Temperature in Bertrand

In September in Bertrand, the average temperature is 20°C (69°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 3°C (38°F). This makes it an ideal time for travelers seeking mild weather and the chance to experience a diverse range of outdoor activities.

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

The chart illustrates September temperature patterns in Bertrand, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bertrand, September typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (97°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec272741496174777469514132
Data source: Temperature data for Bertrand 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 Bertrand

In Bertrand in September, the precipitation amount is 50 mm (2.0 in) over a period of 5 days.

September Precipitation Trends in Bertrand

The chart displays monthly precipitation patterns in Bertrand, 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 Bertrand, September typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2021774015059687250661734
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bertrand

In Bertrand in September, humidity is 77%. With an average temperature of 20°C (69°F), this humidity feels like a sultry embrace, making travel comfortable yet slightly sticky, as the moist air clings to your skin with every step you take.

September Average Humidity in Bertrand

This chart illustrates the average monthly humidity levels in Bertrand, 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 Bertrand is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%81%69%71%80%83%84%84%77%72%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bertrand

In Bertrand 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 Bertrand.

Maximum UV Index Levels in Bertrand for September

The chart shows the monthly maximum UV Index (UVI) for Bertrand 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 Bertrand typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111108643
Data source: Bertrand 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 Bertrand Compares to Other Months

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

This table compares monthly weather conditions in Bertrand, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)20 mm (0.8 inches)73%moderate
February Weather-3°C (27°F)21 mm (0.8 inches)81%moderate
March Weather5°C (41°F)77 mm (3.0 inches)69%high
April Weather10°C (50°F)40 mm (1.6 inches)71%very high
May Weather16°C (61°F)150 mm (5.9 inches)80%very high
June Weather24°C (75°F)59 mm (2.3 inches)83%extreme
July Weather25°C (78°F)68 mm (2.7 inches)84%extreme
August Weather23°C (74°F)72 mm (2.8 inches)84%very high
September Weather20°C (69°F)50 mm (2.0 inches)77%very high
October Weather11°C (51°F)66 mm (2.6 inches)72%high
November Weather5°C (41°F)17 mm (0.7 inches)80%moderate
December Weather0°C (32°F)34 mm (1.3 inches)79%moderate

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