September weather forecastAlgers Mills, NJ
September
Weather in September
September, the first month of the autumn in Algers Mills, is also a moderately hot month, with an average temperature varying between 64.4°F (18°C) and 73.6°F (23.1°C).Temperature
With the arrival of September, Algers Mills notices a mild change in the average high-temperature, sliding from August's 79.5°F (26.4°C) to a still warm 73.6°F (23.1°C). In September, the recorded average low-temperature is a comfortable 64.4°F (18°C).Humidity
The average relative humidity in September in Algers Mills, New Jersey, is 76%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. In Algers Mills, during the entire year, the rain falls for 161.4 days and collects up to 32.64" (829mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
In Algers Mills, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 5 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Algers Mills, NJ
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in September
Algers Mills, 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
Algers Mills, NJ
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is January (12mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in September
Algers Mills, NJ
- Average humidity in September: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in September
Algers Mills, NJ
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in September
Algers Mills, NJ
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Algers Mills, NJ
- Average snowfall in September: 0"
The months with the highest snowfall are January, March and December (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Algers Mills, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Algers Mills, 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: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Algers Mills, NJ
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Algers Mills, 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
Algers Mills, NJ
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Algers Mills, 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).





