September Weather in Lee-on-the-Solent, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Lee-on-the-Solent, 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 Lee-on-the-Solent

In September in Lee-on-the-Solent, 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 Lee-on-the-Solent: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lee-on-the-Solent, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lee-on-the-Solent, 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).

Data source: Temperature data for Lee-on-the-Solent generated using information from the Copernicus Climate Change Service.

September Precipitation in Lee-on-the-Solent

In Lee-on-the-Solent in September, the total precipitation amount is 48 mm (1.9 in) spread over 9 days.

September Precipitation Trends in Lee-on-the-Solent

The chart displays monthly precipitation patterns in Lee-on-the-Solent, 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 Lee-on-the-Solent, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Lee-on-the-Solent

In Lee-on-the-Solent 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 Lee-on-the-Solent

This chart illustrates the average monthly humidity levels in Lee-on-the-Solent, 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 Lee-on-the-Solent is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lee-on-the-Solent

In Lee-on-the-Solent 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 Lee-on-the-Solent, you can refer to this Hourly UV Index in Lee-on-the-Solent.

Maximum UV Index Levels in Lee-on-the-Solent for September

The chart shows the monthly maximum UV Index (UVI) for Lee-on-the-Solent 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 Lee-on-the-Solent typically reaches 6, which falls under the high exposure category.

Data source: Lee-on-the-Solent 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 Lee-on-the-Solent Compares to Other Months

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

This table compares monthly weather conditions in Lee-on-the-Solent, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	54 mm (2.1 inches)	91%	low
February Weather	7°C (45°F)	60 mm (2.4 inches)	89%	low
March Weather	8°C (47°F)	60 mm (2.4 inches)	86%	moderate
April Weather	10°C (50°F)	33 mm (1.3 inches)	85%	moderate
May Weather	13°C (56°F)	61 mm (2.4 inches)	79%	high
June Weather	16°C (62°F)	74 mm (2.9 inches)	80%	very high
July Weather	19°C (66°F)	51 mm (2.0 inches)	71%	very high
August Weather	18°C (64°F)	63 mm (2.5 inches)	76%	high
September Weather	16°C (61°F)	48 mm (1.9 inches)	82%	high
October Weather	13°C (56°F)	98 mm (3.9 inches)	90%	moderate
November Weather	9°C (49°F)	68 mm (2.7 inches)	92%	low
December Weather	8°C (47°F)	94 mm (3.7 inches)	92%	low