Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September signifies a minor drop in average high-temperature, transitioning from 82.6°F (28.1°C) in August to a still moderately hot 75.6°F (24.2°C). During the nights in September, an average low-temperature of 60.4°F (15.8°C) is observed in Metuchen, New Jersey.Humidity
In September, the average relative humidity in Metuchen is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.54" (39mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Metuchen, New Jersey, the average length of the day in September is 12h and 27min.On the first day of September in Metuchen, New Jersey, sunrise is at 6:25 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Metuchen, New Jersey, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the temperature in September in Metuchen?
What is the average humidity in September in Metuchen?
What is the driest month in Metuchen?
How many days does it rain in September in Metuchen?
When it does not snow in Metuchen?
What is the average length of the day in September in Metuchen?
When is the sunrise / sunset in September in Metuchen?
How long on average sun shines in September in Metuchen?
What is the UV index reading in September in Metuchen?
Average temperature in September
Metuchen, NJ
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in September
Metuchen, 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
Metuchen, NJ
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in September
Metuchen, NJ
- Average humidity in September: 75%
The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Metuchen, NJ
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Metuchen, NJ
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Metuchen, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Metuchen, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Metuchen, NJ
- Average daylight in September: 12h and 2min
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 4min
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
Metuchen, NJ
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Metuchen, NJ
- Average UV index in September: 5
The months with the highest UV index are May, 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
Metuchen, NJ
- Average cloud cover in September: 38
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Metuchen, 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).
Metuchen, New Jersey, USA
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