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September Weather in Port Bannatyne, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Port Bannatyne, United Kingdom is a mild 13°C (56°F). Expect a minimum of 3°C (38°F) and a maximum of 23°C (74°F), making it a season where layers are essential. However, be prepared for frequent rain, with 125 mm (4.9 in) of precipitation spread over 17 days. The air remains quite humid, averaging at 88%, so pack an umbrella and enjoy the cozy atmosphere!

September Temperature in Port Bannatyne

In September in Port Bannatyne, the average temperature is 13°C (56°F). Maximums can reach 23°C (74°F) and minimums can be as low as 3°C (38°F). Be prepared for a mix of mild and cool weather, making it ideal for layering during your travels.

September Weather in Port Bannatyne: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Port Bannatyne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Bannatyne, September typically has an average temperature of 13°C (56°F), with highs reaching up to 23°C (74°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec434243465156585855514644
Data source: Temperature data for Port Bannatyne 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 Port Bannatyne

In Port Bannatyne in September, the precipitation amount is 125 mm (4.9 in) spread over 17 days.

September Precipitation Trends in Port Bannatyne

The chart displays monthly precipitation patterns in Port Bannatyne, 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 Port Bannatyne, September typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1201681254871117114150125196158171
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Port Bannatyne

In Port Bannatyne in September, humidity is 88%. With an average temperature of 13°C (56°F), this humidity feels like a thick, warm blanket wrapping around you, making outdoor adventures sticky and challenging.

September Average Humidity in Port Bannatyne

This chart illustrates the average monthly humidity levels in Port Bannatyne, 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 Port Bannatyne is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Port Bannatyne

In Port Bannatyne 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 Port Bannatyne.

Maximum UV Index Levels in Port Bannatyne for September

The chart shows the monthly maximum UV Index (UVI) for Port Bannatyne 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 Port Bannatyne typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Port Bannatyne 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 Port Bannatyne Compares to Other Months

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

This table compares monthly weather conditions in Port Bannatyne, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)120 mm (4.7 inches)87%low
February Weather6°C (43°F)168 mm (6.6 inches)86%low
March Weather6°C (44°F)125 mm (4.9 inches)86%moderate
April Weather8°C (46°F)48 mm (1.9 inches)85%moderate
May Weather10°C (51°F)71 mm (2.8 inches)82%high
June Weather13°C (56°F)117 mm (4.6 inches)84%very high
July Weather15°C (59°F)114 mm (4.5 inches)86%very high
August Weather15°C (58°F)150 mm (5.9 inches)86%high
September Weather13°C (56°F)125 mm (4.9 inches)88%moderate
October Weather11°C (51°F)196 mm (7.7 inches)89%moderate
November Weather8°C (47°F)158 mm (6.2 inches)90%low
December Weather6°C (44°F)171 mm (6.7 inches)86%low

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