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September Weather in Randolph, United States

Last updated: June 24, 2025

In September, the average temperature in Randolph, United States hovers around 19°C (67°F), providing a pleasant climate. Expect a minimum of 7°C (46°F) and a maximum of 33°C (92°F), ensuring a range of daily conditions. With 92 mm (3.6 in) of precipitation expected over 8 days, it's wise to keep an umbrella handy. Additionally, the average humidity sits at a comfortable 71%, adding to the region's charm.

September Temperature in Randolph

In September in Randolph, the average temperature is 19°C (67°F). Maximums can reach 33°C (92°F), while minimums can dip as low as 7°C (46°F). This mild climate makes Randolph an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Randolph, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Randolph, September typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec323438485767737366574436
Data source: Temperature data for Randolph 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 Randolph

In Randolph in September, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

September Precipitation Trends in Randolph

The chart displays monthly precipitation patterns in Randolph, 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 Randolph, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec799710213594861157692149100125
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Randolph

In Randolph in September, humidity is 71%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel pleasant yet slightly sticky, as the air clings gently to your skin and invites you to stay hydrated while exploring.

September Average Humidity in Randolph

This chart illustrates the average monthly humidity levels in Randolph, 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 Randolph is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Randolph

In Randolph 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 Randolph.

Maximum UV Index Levels in Randolph for September

The chart shows the monthly maximum UV Index (UVI) for Randolph 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 Randolph typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3558910997642
Data source: Randolph 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 Randolph Compares to Other Months

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

This table compares monthly weather conditions in Randolph, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)79 mm (3.1 inches)86%moderate
February Weather1°C (34°F)97 mm (3.8 inches)84%moderate
March Weather3°C (38°F)102 mm (4.0 inches)82%moderate
April Weather9°C (48°F)135 mm (5.3 inches)80%very high
May Weather14°C (58°F)94 mm (3.7 inches)72%very high
June Weather19°C (67°F)86 mm (3.4 inches)72%very high
July Weather23°C (73°F)115 mm (4.5 inches)67%very high
August Weather23°C (73°F)76 mm (3.0 inches)66%very high
September Weather19°C (67°F)92 mm (3.6 inches)71%high
October Weather14°C (57°F)149 mm (5.9 inches)78%high
November Weather7°C (44°F)100 mm (3.9 inches)84%moderate
December Weather2°C (36°F)124 mm (4.9 inches)81%low

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