Monmouth Junction
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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 excellent 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.

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).

Monmouth Junction Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Monmouth Junction - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Monmouth Junction 3-Day Forecast

More climate data for Monmouth Junction

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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