Chatham Weather in September

September in Chatham typically sees daytime highs of 20°C (68°F) and nighttime lows of 12°C (54°F). Expect some rainfall during the month.

Rainfall in Chatham in September

Based on our climate data of the past 30 years, about 12 days of rain are anticipated, with 55 mm (2.2 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Chatham in September

The excellent temperature in Chatham in September makes it a solid month to visit, with 20°C (68°F) during the day and 12°C (54°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. 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 Chatham in September

The area experiences a moderate amount of sunshine, with approximately 152 hours of sunlight expected. This means a decent mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Chatham.