September weather forecastSweetman, NJ
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Sweetman, New Jersey, with an average temperature ranging between min 60.4°F (15.8°C) and max 75.4°F (24.1°C).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from 81.9°F (27.7°C) in August to a still warm 75.4°F (24.1°C). The temperature in Sweetman, New Jersey, dips to an average of 60.4°F (15.8°C) during September nights.Humidity
In Sweetman, New Jersey, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 1.69" (43mm) of precipitation.Snowfall
In Sweetman, snow does not fall in June through October.Daylight
In September, the average length of the day in Sweetman, New Jersey, is 12h and 27min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:28 pm. On the last day of September, in Sweetman, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Sunshine
In September, the average sunshine in Sweetman is 8.8h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sweetman, NJ
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in September
Sweetman, 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
Sweetman, NJ
- Average wind speed in September: 6.6mph
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
Sweetman, NJ
- Average humidity in September: 78%
The months with the highest relative humidity are June and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Sweetman, NJ
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Sweetman, NJ
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Sweetman, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Sweetman, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sweetman, 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 24min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Sweetman, NJ
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Sweetman, 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
Sweetman, NJ
- Average cloud cover in September: 36
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Sweetman, 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).
