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September Weather in Radcliffe, United States

Last updated: June 24, 2025

In Radcliffe, United States, the average temperature in September is a pleasant 19°C (67°F). However, temperatures can vary significantly, dipping as low as 3°C (38°F) at night and soaring up to 34°C (93°F) during the day. You can expect about 122 mm (4.8 in) of precipitation over approximately 9 days, resulting in an average humidity level of 75%. Perfect for those who enjoy a mild and somewhat humid climate!

September Temperature in Radcliffe

In September in Radcliffe, the average temperature is 19°C (67°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 3°C (38°F). This climate makes it an ideal destination for travelers seeking a mix of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Radcliffe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Radcliffe, September typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec202137486173767267513729
Data source: Temperature data for Radcliffe 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 Radcliffe

In Radcliffe in September, the precipitation amount is 122 mm (4.8 in) over a span of 9 days.

September Precipitation Trends in Radcliffe

The chart displays monthly precipitation patterns in Radcliffe, 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 Radcliffe, September typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec3544717916111088771221264235
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Radcliffe

In Radcliffe in September humidity is 75%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, as you navigate through the vibrant streets or scenic landscapes.

September Average Humidity in Radcliffe

This chart illustrates the average monthly humidity levels in Radcliffe, 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 Radcliffe is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%80%81%74%81%80%77%75%80%87%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Radcliffe

In Radcliffe 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 Radcliffe.

Maximum UV Index Levels in Radcliffe for September

The chart shows the monthly maximum UV Index (UVI) for Radcliffe 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 Radcliffe typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589111098633
Data source: Radcliffe 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 Radcliffe Compares to Other Months

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

This table compares monthly weather conditions in Radcliffe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)35 mm (1.4 inches)82%moderate
February Weather-6°C (21°F)44 mm (1.7 inches)84%moderate
March Weather3°C (38°F)71 mm (2.8 inches)80%moderate
April Weather9°C (48°F)79 mm (3.1 inches)81%very high
May Weather16°C (61°F)160 mm (6.3 inches)74%very high
June Weather23°C (74°F)110 mm (4.3 inches)80%extreme
July Weather24°C (76°F)88 mm (3.5 inches)80%very high
August Weather22°C (73°F)77 mm (3.0 inches)77%very high
September Weather19°C (67°F)122 mm (4.8 inches)75%very high
October Weather11°C (51°F)126 mm (5.0 inches)80%high
November Weather3°C (37°F)42 mm (1.7 inches)87%moderate
December Weather-2°C (29°F)35 mm (1.4 inches)83%moderate

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