Grosmont Weather in September

During September, Grosmont experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 12°C (54°F). As part of the summer season, expect quite a bit of rainfall. Around 75 mm (3 in) is typical.

Rainfall in Grosmont in September

Typically, you can expect about 16 days of rain this month, with 75 mm (3 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Grosmont in September

In September, Grosmont gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 12°C (54°F). September is part of summer. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Grosmont in September

The area experiences a moderate amount of sunshine, with approximately 140 hours of sunlight expected. This means a decent mix of sun and overcast.

Average water temperature in September

The water is 14°C (57°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

For Grosmont itself, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.