Hamilton Weather in September

September in Hamilton brings high temperatures, with highs of 26°C (79°F) and nights dropping to 14°C (57°F). Rainfall is on the higher side this month, averaging around 91 mm (3.6 in), so keep a rain jacket handy.

Rainfall in Hamilton in September

Historically, September sees about 9 days of rain, with a monthly average of 91 mm (3.6 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Hamilton in September

Weather in Hamilton is at its perfect in September. Highs reach 26°C (79°F), while nights settle around 14°C (57°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Hamilton in September

Expect sunny days throughout the month, with an estimated 215 hours of sunshine. This makes it a pleasant time to visit Hamilton.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Hamilton.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Hamilton's climate page.

Hamilton Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 29%  

Precipitation 91 mm (3.6 in)  

Rainy days 9 days  

Sunshine 215 hours *  

Percentage Sunshine 57% *  

* Data from: Trenton, the United States of America (7 KM, 4 Miles).

What to Wear in Hamilton in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Hamilton in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Hamilton's climate page.

More climate data for Hamilton

Temperature Rainfall Sunshine

See the full Hamilton climate overview or explore weather in the United States of America.