September weather forecastMilltown, NJ
September
Weather in September
September, the first month of the autumn in Milltown, is also a moderately hot month, with an average temperature fluctuating between 59.9°F (15.5°C) and 75.9°F (24.4°C).Temperature
The average high-temperature shows a slight dip in September, from August's 82.6°F (28.1°C) to a still warm 75.9°F (24.4°C). An average minimum temperature of 59.9°F (15.5°C) is recorded during the month of September.Humidity
In September, the average relative humidity in Milltown, New Jersey, is 75%.Rainfall
The month with the least rainfall in Milltown is September, when the rain falls for 12.3 days and typically collects 1.46" (37mm) of precipitation.Snowfall
In Milltown, snow does not fall in June through September.Daylight
The average length of the day in September in Milltown is 12h and 27min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:29 pm. On the last day of September, in Milltown, sunrise is at 6:53 am and sunset at 6:41 pm EDT.
Sunshine
In September, the average sunshine in Milltown is 8.6h.UV index
In September, the average daily maximum UV index in Milltown, New Jersey, is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Milltown, NJ
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Milltown, NJ
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Milltown, NJ
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Milltown, NJ
- Average humidity in September: 75%
The months with the highest relative humidity are February, May, October and December (77%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall in September
Milltown, NJ
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Milltown, NJ
- Average rainfall days in September: 12.3 days
The months with the highest number of rainy days are May and June (16.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Milltown, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Milltown, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Milltown, NJ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Milltown, NJ
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Milltown, NJ
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Milltown, NJ
- Average cloud cover in September: 38
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Milltown, NJ
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
