Thames Weather in September

September in Thames averages 16°C (61°F) during the day and 9°C (48°F) at night. Quite a bit of rainfall is typical this month, with around 117 mm (4.6 in) on average. An umbrella is a good idea.

Rainfall in Thames in September

Analyzing past climate data, one can expect approximately 19 days of rain, averaging 117 mm (4.6 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Thames in September

Daytime highs in Thames in September reach 16°C (61°F), with nights around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Thames in September

The month experiences a moderate amount of sunlight, with 151 hours of sunshine. This provides a nice balance between sunshine and clouds.

September in Thames can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.