September Weather in Otisville, United States

Last updated: June 24, 2025

In September, the average temperature in Otisville, United States hovers around 18°C (64°F). Expect a range from 0°C (33°F) at the lows to a warm 34°C (94°F) at the highs. During this month, precipitation is typically 87 mm (3.4 in) over about 10 days, while the average humidity lingers at a notable 80%.

September Temperature in Otisville

In September in Otisville, the average temperature is 18°C (64°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 0°C (33°F). This varied climate makes it essential for travelers to pack for both warm and cool conditions.

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

The chart illustrates September temperature patterns in Otisville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Otisville, September typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (94°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec252635465969737164533831
Data source: Temperature data for Otisville 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 Otisville

In Otisville in September, the precipitation amount is 87 mm (3.4 in) over the course of 10 days.

September Precipitation Trends in Otisville

The chart displays monthly precipitation patterns in Otisville, 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 Otisville, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec61646394981047284871076454
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Otisville

In Otisville in September humidity is 80%. With an average temperature of 18°C (64°F), this humidity feels like a warm, damp blanket wrapping around you, making travel a bit more exhausting as the air thickens and the heat clings to your skin.

September Average Humidity in Otisville

This chart illustrates the average monthly humidity levels in Otisville, 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 Otisville is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Otisville

In Otisville 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 Otisville.

Maximum UV Index Levels in Otisville for September

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

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

This table compares monthly weather conditions in Otisville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)61 mm (2.4 inches)88%low
February Weather-3°C (26°F)64 mm (2.5 inches)87%moderate
March Weather2°C (35°F)63 mm (2.5 inches)85%moderate
April Weather8°C (46°F)94 mm (3.7 inches)86%very high
May Weather15°C (59°F)98 mm (3.8 inches)80%very high
June Weather20°C (69°F)104 mm (4.1 inches)80%very high
July Weather23°C (74°F)72 mm (2.8 inches)80%very high
August Weather22°C (71°F)84 mm (3.3 inches)80%very high
September Weather18°C (64°F)87 mm (3.4 inches)80%high
October Weather11°C (53°F)107 mm (4.2 inches)84%moderate
November Weather3°C (38°F)64 mm (2.5 inches)89%moderate
December Weather0°C (31°F)54 mm (2.1 inches)86%low

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