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September Weather in Island Pond, United States

Last updated: June 24, 2025

In September, the average temperature in Island Pond, United States hovers around 14°C (58°F). During this time, you can expect a minimum as low as -4°C (24°F) and a maximum reaching up to 29°C (84°F). The region sees an average of 80 mm (3.2 in) of precipitation over about 10 days, contributing to an average humidity of 77%. Whether you're enjoying mild days or bracing for cooler nights, be sure to prepare accordingly!

September Temperature in Island Pond

In September in Island Pond, the average temperature is 14°C (58°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -4°C (24°F). This varied climate makes Island Pond an interesting destination for travelers, offering a mix of warm days and cool nights, ideal for exploring the local attractions.

September Weather in Island Pond: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Island Pond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Island Pond, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (84°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec161927405362676558473222
Data source: Temperature data for Island Pond 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 Island Pond

In Island Pond in September, the precipitation amount is 80 mm (3.2 in) over a span of 10 days.

September Precipitation Trends in Island Pond

The chart displays monthly precipitation patterns in Island Pond, 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 Island Pond, September typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8881781141021121251048015311387
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Island Pond

In Island Pond in September, humidity is 77%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making traveling feel sticky and heavy, yet still manageable as you explore the sights.

September Average Humidity in Island Pond

This chart illustrates the average monthly humidity levels in Island Pond, 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 Island Pond is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Island Pond

In Island Pond 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 Island Pond.

Maximum UV Index Levels in Island Pond for September

The chart shows the monthly maximum UV Index (UVI) for Island Pond 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 Island Pond typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Island Pond 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 Island Pond Compares to Other Months

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

This table compares monthly weather conditions in Island Pond, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)88 mm (3.4 inches)91%low
February Weather-7°C (20°F)81 mm (3.2 inches)89%moderate
March Weather-3°C (27°F)78 mm (3.1 inches)85%moderate
April Weather4°C (40°F)114 mm (4.5 inches)84%very high
May Weather12°C (53°F)102 mm (4.0 inches)78%very high
June Weather17°C (62°F)112 mm (4.4 inches)72%very high
July Weather19°C (67°F)125 mm (4.9 inches)75%very high
August Weather18°C (65°F)104 mm (4.1 inches)74%very high
September Weather14°C (58°F)80 mm (3.2 inches)77%high
October Weather8°C (47°F)153 mm (6.0 inches)85%moderate
November Weather0°C (32°F)113 mm (4.4 inches)86%moderate
December Weather-6°C (22°F)86 mm (3.4 inches)85%low

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