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September Weather in Little Valley, United States

Last updated: June 24, 2025

In Little Valley, United States, the average temperature in September hovers around 17°C (62°F). Expect a minimum of 1°C (34°F) and a maximum reaching up to 30°C (87°F). This month also brings 90 mm (3.5 in) of precipitation, spread across approximately 10 days. With an average humidity level of 76%, make sure to embrace the diverse weather this month has in store!

September Temperature in Little Valley

In September in Little Valley, the average temperature is 17°C (62°F). Maximums can reach 30°C (87°F), while minimums can drop as low as 1°C (34°F). This variation makes it an ideal time for travelers to pack layers and enjoy a range of activities in Little Valley.

September Weather in Little Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Little Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Little Valley, September typically has an average temperature of 17°C (62°F), with highs reaching up to 30°C (87°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec242734445665696862523730
Data source: Temperature data for Little Valley 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 Little Valley

In Little Valley in September, the precipitation amount is 90 mm (3.5 in) over the course of 10 days.

September Precipitation Trends in Little Valley

The chart displays monthly precipitation patterns in Little Valley, 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 Little Valley, September typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9710910012813213914410890144117111
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Little Valley

In Little Valley in September, humidity is 76%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping embrace, making travel feel slightly more challenging as it can lead to a sticky discomfort, especially during outdoor excursions.

September Average Humidity in Little Valley

This chart illustrates the average monthly humidity levels in Little Valley, 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 Little Valley is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Little Valley

In Little Valley 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 Little Valley.

Maximum UV Index Levels in Little Valley for September

The chart shows the monthly maximum UV Index (UVI) for Little Valley 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 Little Valley typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Little Valley 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 Little Valley Compares to Other Months

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

This table compares monthly weather conditions in Little Valley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)97 mm (3.8 inches)91%moderate
February Weather-3°C (27°F)109 mm (4.3 inches)91%moderate
March Weather1°C (34°F)100 mm (3.9 inches)88%high
April Weather7°C (44°F)127 mm (5.0 inches)88%very high
May Weather14°C (57°F)132 mm (5.2 inches)82%very high
June Weather18°C (65°F)139 mm (5.5 inches)79%very high
July Weather21°C (70°F)144 mm (5.7 inches)77%very high
August Weather20°C (68°F)108 mm (4.2 inches)72%very high
September Weather17°C (62°F)90 mm (3.5 inches)76%very high
October Weather11°C (52°F)144 mm (5.7 inches)83%high
November Weather3°C (37°F)117 mm (4.6 inches)88%moderate
December Weather-1°C (30°F)111 mm (4.4 inches)87%low

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