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September Weather in Upton, United States

Last updated: June 24, 2025

In September, the average temperature in Upton, United States hovers around 16°C (62°F), offering a mild climate. However, be prepared for extremes; temperatures can dip to a chilly -1°C (31°F) or soar up to a sizzling 39°C (102°F). Rainfall is moderate, with 36 mm (1.4 in) spread across about 5 days, while average humidity levels sit at a comfortable 76%.

September Temperature in Upton

In September in Upton, the average temperature is 16°C (62°F). Maximum temperatures can reach 39°C (102°F), while minimum temperatures can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Upton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Upton, September typically has an average temperature of 16°C (62°F), with highs reaching up to 39°C (102°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec252237425367737062433628
Data source: Temperature data for Upton 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 Upton

In Upton in September, the precipitation amount is 36 mm (1.4 in) over the course of 5 days.

September Precipitation Trends in Upton

The chart displays monthly precipitation patterns in Upton, 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 Upton, September typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec162632535843643736481826
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Upton

In Upton in September, humidity is 76%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that makes exploring the outdoors feel both refreshing and slightly muggy, urging travelers to take breaks often and enjoy the shade.

September Average Humidity in Upton

This chart illustrates the average monthly humidity levels in Upton, 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 Upton is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%78%64%66%74%84%85%85%76%71%73%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Upton

In Upton 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 Upton.

Maximum UV Index Levels in Upton for September

The chart shows the monthly maximum UV Index (UVI) for Upton 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 Upton typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3561091111108632
Data source: Upton 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 Upton Compares to Other Months

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

This table compares monthly weather conditions in Upton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)16 mm (0.6 inches)73%moderate
February Weather-5°C (22°F)26 mm (1.0 inches)78%moderate
March Weather3°C (37°F)32 mm (1.3 inches)64%high
April Weather6°C (42°F)53 mm (2.1 inches)66%very high
May Weather12°C (53°F)58 mm (2.3 inches)74%very high
June Weather20°C (67°F)43 mm (1.7 inches)84%extreme
July Weather23°C (74°F)64 mm (2.5 inches)85%extreme
August Weather21°C (71°F)37 mm (1.5 inches)85%very high
September Weather16°C (62°F)36 mm (1.4 inches)76%very high
October Weather6°C (43°F)48 mm (1.9 inches)71%high
November Weather2°C (36°F)18 mm (0.7 inches)73%moderate
December Weather-2°C (29°F)25 mm (1.0 inches)75%low

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