New Brunswick Weather in September

Thinking of visiting New Brunswick in September? Expect high temperatures reaching 26°C (79°F) during the day, dropping to 14°C (57°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in New Brunswick in September

You can expect rain on roughly 8 days based on historical data, averaging 92 mm (3.6 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in New Brunswick in September

If you're visiting New Brunswick in September, expect perfect temperatures with highs of 26°C (79°F) and overnight lows of 14°C (57°F). This kind of day-to-night contrast is typical for this time of year. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in New Brunswick in September

With approximately 215 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If your ideal day consists of dry skies and pleasant temperatures, May and September typically offer the best circumstances for New Brunswick.

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 New Brunswick's climate page.

New Brunswick Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 27%  

Precipitation 92 mm (3.6 in)  

Rainy days 8 days  

Sunshine 215 hours *  

Percentage Sunshine 57% *  

* Data from: Trenton, the United States of America (38 KM, 24 Miles).

What to Wear in New Brunswick 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 New Brunswick 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 New Brunswick's climate page.

More climate data for New Brunswick

Temperature Rainfall Sunshine

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