Monmouth Junction Weather in September

Monmouth Junction in September averages 26°C (79°F) during the day and 13°C (55°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Monmouth Junction in September

Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 94 mm (3.7 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Monmouth Junction in September

If you're visiting Monmouth Junction in September, expect perfect temperatures with highs of 26°C (79°F) and overnight lows of 13°C (55°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 13°C (55°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 Monmouth Junction in September

There are approximately 215 hours of sunshine this month, resulting in mostly clear days.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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

Monmouth Junction Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 28%  

Precipitation 94 mm (3.7 in)  

Rainy days 9 days  

Sunshine 215 hours *  

Percentage Sunshine 57% *  

* Data from: Trenton, the United States of America (24 KM, 15 Miles).

What to Wear in Monmouth Junction in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Monmouth Junction 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 Monmouth Junction's climate page.

More climate data for Monmouth Junction

Temperature Rainfall Sunshine

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