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September Weather in Hallstead, United States

Last updated: June 24, 2025

In Hallstead, United States, the average temperature in September hovers around 17°C (63°F). During this month, temperatures can dip as low as 0°C (32°F) and soar to a maximum of 31°C (89°F). Expect 99 mm (3.9 in) of precipitation over 9 days, coupled with an average humidity level of 66%, creating a uniquely refreshing atmosphere.

September Temperature in Hallstead

In September in Hallstead, the average temperature is 17°C (63°F). Maximum temperatures can reach 31°C (89°F), while minimum temperatures can drop as low as 0°C (32°F). Be sure to pack versatile clothing to enjoy the varying weather during your travels.

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

The chart illustrates September temperature patterns in Hallstead, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hallstead, September typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (89°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec262935465766716963533831
Data source: Temperature data for Hallstead 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 Hallstead

In Hallstead in September, the precipitation amount is 99 mm (3.9 in) during a span of 9 days.

September Precipitation Trends in Hallstead

The chart displays monthly precipitation patterns in Hallstead, 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 Hallstead, September typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec779392125135111129119991429993
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hallstead

In Hallstead in September, humidity is 66%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making travel refreshing yet slightly muggy, perfect for leisurely strolls or picturesque outdoor explorations, but travelers should be prepared for occasional discomfort as they navigate the vibrant sights.

September Average Humidity in Hallstead

This chart illustrates the average monthly humidity levels in Hallstead, 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 Hallstead is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hallstead

In Hallstead 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 Hallstead.

Maximum UV Index Levels in Hallstead for September

The chart shows the monthly maximum UV Index (UVI) for Hallstead 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 Hallstead typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Hallstead 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 Hallstead Compares to Other Months

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

This table compares monthly weather conditions in Hallstead, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)77 mm (3.0 inches)87%moderate
February Weather-2°C (29°F)93 mm (3.7 inches)85%moderate
March Weather1°C (35°F)92 mm (3.6 inches)85%high
April Weather8°C (46°F)125 mm (4.9 inches)83%very high
May Weather14°C (58°F)135 mm (5.3 inches)75%very high
June Weather19°C (66°F)111 mm (4.4 inches)73%very high
July Weather22°C (72°F)129 mm (5.1 inches)65%very high
August Weather21°C (70°F)119 mm (4.7 inches)62%very high
September Weather17°C (63°F)99 mm (3.9 inches)66%very high
October Weather12°C (53°F)142 mm (5.6 inches)79%high
November Weather3°C (38°F)99 mm (3.9 inches)87%moderate
December Weather-1°C (31°F)93 mm (3.7 inches)85%low

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