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September Weather in Sentinel, United States

Last updated: June 24, 2025

In September, the average temperature in Sentinel, United States hovers around 24°C (75°F). Expect a range that dips to a chilly 7°C (45°F) and can soar up to a scorching 37°C (99°F). With 60 mm (2.4 in) of precipitation spread over 6 days, don't forget your umbrella! The average humidity rests at a comfortable 64%, ensuring a pleasant atmosphere for your visit.

September Temperature in Sentinel

In September in Sentinel, the average temperature is 24°C (75°F), with maximums reaching 37°C (99°F) and minimums dropping as low as 7°C (45°F). This variability makes it an ideal time for travelers to experience a range of outdoor activities, from enjoying warm days to cooler evenings.

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

The chart illustrates September temperature patterns in Sentinel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sentinel, September typically has an average temperature of 24°C (75°F), with highs reaching up to 37°C (99°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec383953596979828175614943
Data source: Temperature data for Sentinel 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 Sentinel

In Sentinel in September, the total precipitation amount is 60 mm (2.4 in) spread over 6 days.

September Precipitation Trends in Sentinel

The chart displays monthly precipitation patterns in Sentinel, 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 Sentinel, September typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec3526727913580424360691826
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sentinel

In Sentinel in September humidity is 64%. With average temperature 24°C (75°F), this humidity feels like a warm blanket enveloping you, making outdoor exploration both refreshing and a little sticky, perfect for leisurely strolls and shaded cafes but with a need for frequent water breaks.

September Average Humidity in Sentinel

This chart illustrates the average monthly humidity levels in Sentinel, 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 Sentinel is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sentinel

In Sentinel in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sentinel.

Maximum UV Index Levels in Sentinel for September

The chart shows the monthly maximum UV Index (UVI) for Sentinel 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 Sentinel typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Sentinel 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 Sentinel Compares to Other Months

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

This table compares monthly weather conditions in Sentinel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)35 mm (1.4 inches)76%moderate
February Weather4°C (40°F)26 mm (1.0 inches)76%high
March Weather11°C (53°F)71 mm (2.8 inches)70%very high
April Weather15°C (59°F)79 mm (3.1 inches)72%very high
May Weather21°C (69°F)134 mm (5.3 inches)82%extreme
June Weather26°C (79°F)80 mm (3.1 inches)82%extreme
July Weather28°C (83°F)42 mm (1.7 inches)80%extreme
August Weather27°C (81°F)42 mm (1.7 inches)72%extreme
September Weather24°C (75°F)60 mm (2.4 inches)64%very high
October Weather16°C (61°F)69 mm (2.7 inches)71%high
November Weather10°C (49°F)18 mm (0.7 inches)81%moderate
December Weather6°C (43°F)26 mm (1.0 inches)84%moderate

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