September Weather in Trimont, United States

Last updated: June 24, 2025

In Trimont, United States, the average temperature in September hovers around 18°C (65°F), with the possibility of dipping to a chilly 3°C (37°F) or soaring to a warm 33°C (91°F). Travelers should be prepared for some rain, as the area experiences about 118 mm (4.6 in) of precipitation over 9 days. With an average humidity level of 75%, it's a good idea to pack accordingly for fluctuating conditions!

September Temperature in Trimont

In September in Trimont, the average temperature is 18°C (65°F), with maximums reaching 33°C (91°F) and minimums falling as low as 3°C (37°F). This makes it an ideal time for travelers who enjoy mild to warm weather, but it's wise to pack for both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Trimont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trimont, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (91°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec181734445972747065483425
Data source: Temperature data for Trimont 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 Trimont

In Trimont in September, the precipitation amount is 118 mm (4.6 in) over the course of 9 days.

September Precipitation Trends in Trimont

The chart displays monthly precipitation patterns in Trimont, 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 Trimont, September typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec34357093138124108114118973342
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Trimont

In Trimont in September, humidity is 75%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket that can make outdoor exploration feel a bit stifling, potentially leading to discomfort during travel activities.

September Average Humidity in Trimont

This chart illustrates the average monthly humidity levels in Trimont, 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 Trimont is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%80%81%74%81%80%77%75%80%87%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Trimont

In Trimont 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 Trimont.

Maximum UV Index Levels in Trimont for September

The chart shows the monthly maximum UV Index (UVI) for Trimont 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 Trimont typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589101098533
Data source: Trimont 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 Trimont Compares to Other Months

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

This table compares monthly weather conditions in Trimont, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)34 mm (1.3 inches)82%moderate
February Weather-8°C (17°F)35 mm (1.4 inches)84%moderate
March Weather1°C (34°F)70 mm (2.8 inches)80%moderate
April Weather7°C (44°F)93 mm (3.7 inches)81%very high
May Weather15°C (60°F)138 mm (5.4 inches)74%very high
June Weather22°C (72°F)124 mm (4.9 inches)80%very high
July Weather23°C (74°F)108 mm (4.2 inches)80%very high
August Weather21°C (71°F)114 mm (4.5 inches)77%very high
September Weather18°C (65°F)118 mm (4.6 inches)75%very high
October Weather9°C (49°F)97 mm (3.8 inches)80%moderate
November Weather1°C (35°F)33 mm (1.3 inches)87%moderate
December Weather-4°C (26°F)42 mm (1.6 inches)83%moderate

Compare Trimont's Climate with Cities Worldwide