London vs Bath

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, London edges ahead as the better destination in September. London offers 8 hours of daily sunshine with only 9 rain days, while Bath sees 4 sunshine hours and 4 rain days.

London sits in the comfortable travel range at 19°C. Bath is cooler at 11°C.

For travelers who prioritize dry weather, Bath is the stronger choice in September. London receives 4 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

London reaches an average high of 19°C (66°F) and drops to 11°C (52°F) at night during September. The daily temperature range is 8°C, meaning moderate variation throughout the day.

Bath averages 11°C (52°F) for the high and -1°C (30°F) for the low, with a daily range of 12°C. There is a notable 8°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

London receives approximately 48 mm of rainfall across 9 rain days during September. You can expect rain roughly every other day.

Bath sees 50 mm over 4 rain days. That makes Bath the drier option by 5 rain days and 2 mm of total precipitation.

Both cities share similar humidity levels at 65%.