September weather forecastGreat Meadows, NJ
September
Weather in September
September, the first month of the autumn in Great Meadows, is also a moderately hot month, with an average temperature fluctuating between 55°F (12.8°C) and 74.3°F (23.5°C).Temperature
As August transitions into September, Great Meadows sees a gentle drop in the average high-temperature, transitioning from 81°F (27.2°C) to a still warm 74.3°F (23.5°C). Great Meadows's temperature drops to an average low of 55°F (12.8°C) during the nights of September.Humidity
In Great Meadows, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Great Meadows, New Jersey, is September, when the rain falls for 7.7 days and typically collects 0.35" (9mm) of precipitation.Snowfall
In Great Meadows, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:31 pm. On the last day of September, in Great Meadows, sunrise is at 6:55 am and sunset at 6:42 pm EDT.
Sunshine
In Great Meadows, New Jersey, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Great Meadows, NJ
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Great Meadows, 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
Great Meadows, NJ
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Great Meadows, NJ
- Average humidity in September: 79%
The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Great Meadows, NJ
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Great Meadows, NJ
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Great Meadows, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Great Meadows, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Great Meadows, NJ
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Great Meadows, NJ
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is May (15.4 days).
Average UV index in September
Great Meadows, NJ
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Great Meadows, NJ
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Great Meadows, NJ
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).





