September Weather in Southam, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Southam, United Kingdom hovers around 14°C (58°F), offering a pleasant climate. Expect a minimum of 2°C (36°F) and a maximum of 29°C (85°F), providing a broad range for those who enjoy varying temperatures. With an average precipitation of 58 mm (2.3 in) over 9 days, it's wise to keep an umbrella handy. The average humidity is quite high at 85%, ensuring a cozy but slightly damp atmosphere.

September Temperature in Southam

In September in Southam, the average temperature is 14°C (58°F), with maximums reaching up to 29°C (85°F) and minimums dipping as low as 2°C (36°F). This mild climate makes Southam an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Southam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Southam, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485460646358524643
Data source: Temperature data for Southam 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 Southam

In Southam in September, the precipitation amount is 58 mm (2.3 in) spread over 9 days.

September Precipitation Trends in Southam

The chart displays monthly precipitation patterns in Southam, 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 Southam, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec535465416674737558896482
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Southam

In Southam in September, humidity is 85%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making even short walks feel heavy and exhausting for traveling.

September Average Humidity in Southam

This chart illustrates the average monthly humidity levels in Southam, 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 Southam is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Southam

In Southam in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Southam.

Maximum UV Index Levels in Southam for September

The chart shows the monthly maximum UV Index (UVI) for Southam 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 Southam typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Southam 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 Southam Compares to Other Months

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

This table compares monthly weather conditions in Southam, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)53 mm (2.1 inches)90%low
February Weather6°C (42°F)54 mm (2.1 inches)88%low
March Weather7°C (45°F)65 mm (2.6 inches)86%moderate
April Weather9°C (48°F)41 mm (1.6 inches)84%moderate
May Weather12°C (54°F)66 mm (2.6 inches)80%high
June Weather16°C (61°F)74 mm (2.9 inches)81%very high
July Weather18°C (64°F)73 mm (2.9 inches)76%very high
August Weather17°C (63°F)75 mm (2.9 inches)77%high
September Weather14°C (58°F)58 mm (2.3 inches)85%moderate
October Weather11°C (52°F)89 mm (3.5 inches)90%moderate
November Weather8°C (46°F)64 mm (2.5 inches)92%low
December Weather6°C (43°F)82 mm (3.2 inches)90%low

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