Bolton Weather in September

During September, Bolton experiences moderate daytime temperatures of 18°C (64°F) and cooler nights around 10°C (50°F). Expect quite a bit of rainfall. Around 91 mm (3.6 in) is typical.

Rainfall in Bolton in September

Historically, the month has about 17 days of rain, averaging 91 mm (3.6 in) in total. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Bolton in September

September in Bolton brings typical temperatures with highs around 18°C (64°F) and lows of 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Bolton in September

You can expect a moderate amount of sunlight, with approximately 134 hours. This means a pleasant mix of sun and overcast.

Should you favor a climate that's both dry and comfortably warm, July typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.