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
In September, the average high-temperature marginally drops from a moderately hot 81.9°F (27.7°C) in August to a still warm 74.7°F (23.7°C). Clinton throughout September, experiences an average nighttime temperature of 55.9°F (13.3°C).Humidity
In Clinton, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Clinton, New Jersey, is September, when the rain falls for 11.6 days and typically collects 1.26" (32mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Clinton, sunrise is at 6:27 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm EDT.
Sunshine
In Clinton, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Clinton is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are September temperatures in Clinton?
What is the average humidity in September in Clinton?
What is the driest month in Clinton?
How many days does it rain in September in Clinton?
When it does not snow in Clinton?
Does it snow in Clinton in September?
What is the average length of the day in September in Clinton?
What time are sunrise and sunset in September in Clinton?
How long on average sun shines in September in Clinton?
How high is the UV index in September in Clinton?
Average temperature in September
Clinton, NJ
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in September
Clinton, NJ
- Average pressure in September: 30.06"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
Clinton, NJ
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Clinton, NJ
- Average humidity in September: 78%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Clinton, NJ
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in September
Clinton, NJ
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Clinton, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clinton, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clinton, NJ
- Average daylight in September: 12h and 3min
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
Clinton, NJ
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Clinton, NJ
- Average UV index in September: 4
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
Clinton, NJ
- Average cloud cover in September: 39
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 34).
Average visibility in September
Clinton, NJ
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, July, November and December (6mi).
The months with the lowest visibility are February, May, June, August, September and October (5mi).
Clinton, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location
