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September Weather in Fareham, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Fareham, United Kingdom is a pleasant 16°C (61°F), with minimums dipping to 6°C (44°F) and maximums reaching 27°C (81°F). Expect 48 mm (1.9 in) of precipitation spread over about 9 days, contributing to an average humidity of 82%. Whether you're enjoying the mild weather or experiencing the occasional rain, it's a month filled with engaging possibilities!

September Temperature in Fareham

In September in Fareham, the average temperature is 16°C (61°F), with maximums reaching 27°C (81°F) and minimums dropping as low as 6°C (44°F). This weather makes it an ideal month for travelers seeking pleasant temperatures for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Fareham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fareham, September typically has an average temperature of 16°C (61°F), with highs reaching up to 27°C (81°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec434547505662656461554946
Data source: Temperature data for Fareham 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 Fareham

In Fareham in September, the total precipitation amount is 48 mm (1.9 in) spread over 9 days.

September Precipitation Trends in Fareham

The chart displays monthly precipitation patterns in Fareham, 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 Fareham, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec546060336174516348986894
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Fareham

In Fareham in September humidity is 82%. With an average temperature of 16°C (61°F), this humidity feels like a heavy blanket enveloping you, making travel feel a bit sluggish and requiring frequent breaks to hydrate and cool down.

September Average Humidity in Fareham

This chart illustrates the average monthly humidity levels in Fareham, 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 Fareham is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fareham

In Fareham in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Fareham, you can refer to this Hourly UV Index in Fareham.

Maximum UV Index Levels in Fareham for September

The chart shows the monthly maximum UV Index (UVI) for Fareham 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 Fareham typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578876421
Data source: Fareham 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 Fareham Compares to Other Months

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

This table compares monthly weather conditions in Fareham, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)54 mm (2.1 inches)91%low
February Weather7°C (45°F)60 mm (2.4 inches)89%low
March Weather8°C (47°F)60 mm (2.4 inches)86%moderate
April Weather10°C (50°F)33 mm (1.3 inches)85%moderate
May Weather13°C (56°F)61 mm (2.4 inches)79%high
June Weather16°C (62°F)74 mm (2.9 inches)80%very high
July Weather19°C (66°F)51 mm (2.0 inches)71%very high
August Weather18°C (64°F)63 mm (2.5 inches)76%high
September Weather16°C (61°F)48 mm (1.9 inches)82%high
October Weather13°C (56°F)98 mm (3.9 inches)90%moderate
November Weather9°C (49°F)68 mm (2.7 inches)92%low
December Weather8°C (47°F)94 mm (3.7 inches)92%low

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