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September Weather in Tupper Lake, United States

Last updated: June 24, 2025

In September, the average temperature in Tupper Lake, United States hovers around 15°C (58°F). Expect to experience a temperature range from a chilly -2°C (29°F) to a warm 30°C (86°F). Rainfall is likely, with an average precipitation of 82 mm (3.2 in) spread over 11 days, contributing to a notably high average humidity of 78%.

September Temperature in Tupper Lake

In September in Tupper Lake, the average temperature is 15°C (58°F). Maximums can reach 30°C (86°F), while minimums can drop as low as -2°C (29°F). This varied climate makes Tupper Lake an intriguing destination for travelers looking to experience both warmth and chill in a single trip.

September Weather in Tupper Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tupper Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tupper Lake, September typically has an average temperature of 15°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec182127405462686558473223
Data source: Temperature data for Tupper Lake 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 Tupper Lake

In Tupper Lake in September, the precipitation amount is 82 mm (3.2 in) over the course of 11 days.

September Precipitation Trends in Tupper Lake

The chart displays monthly precipitation patterns in Tupper Lake, 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 Tupper Lake, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9797961241131091421208215712197
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tupper Lake

In Tupper Lake in September, humidity is 78%. With an average temperature of 15°C (58°F), this humidity feels like a warm and sticky embrace, making outdoor activities a bit uncomfortable and prompting the need for frequent hydration and breaks in the shade.

September Average Humidity in Tupper Lake

This chart illustrates the average monthly humidity levels in Tupper Lake, 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 Tupper Lake is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tupper Lake

In Tupper Lake in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Tupper Lake.

Maximum UV Index Levels in Tupper Lake for September

The chart shows the monthly maximum UV Index (UVI) for Tupper Lake 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 Tupper Lake typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997532
Data source: Tupper Lake 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 Tupper Lake Compares to Other Months

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

This table compares monthly weather conditions in Tupper Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)97 mm (3.8 inches)93%low
February Weather-6°C (21°F)97 mm (3.8 inches)92%moderate
March Weather-3°C (27°F)96 mm (3.8 inches)86%high
April Weather5°C (40°F)124 mm (4.9 inches)85%very high
May Weather12°C (54°F)113 mm (4.5 inches)80%very high
June Weather17°C (62°F)109 mm (4.3 inches)74%very high
July Weather20°C (68°F)142 mm (5.6 inches)76%very high
August Weather19°C (66°F)120 mm (4.7 inches)75%very high
September Weather15°C (58°F)82 mm (3.2 inches)78%high
October Weather9°C (48°F)157 mm (6.2 inches)86%moderate
November Weather0°C (32°F)121 mm (4.8 inches)88%moderate
December Weather-5°C (23°F)97 mm (3.8 inches)89%low

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