Mild
Average highs are around 24°C, so days are mild rather than hot.
September verdict
Mahwah, New Jersey, United States in September
Weather score59Good
Good for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 103mm, so some wet days are possible.
September weather
Monthly averages
Temp
24°C
Rain
103mm
Sun
7h
Weather score
59
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 103mm, so some wet days are possible.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Map
Weather map
Compare Mahwah, New Jersey, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September24°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September103mm average rain
September is wetter than Mahwah's yearly average, so flexible plans matter more.
Driest monthsJanuary to April, June to October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7 hours average sun
September sits close to Mahwah's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September59 weather score
September sits close to Mahwah's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
