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's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a warm 82.6°F (28.1°C) in August to a still moderately hot 75.9°F (24.4°C). Deans's temperature lowers to a mean of 59.9°F (15.5°C) during the nights in September.Humidity
The average relative humidity in September in Deans is 75%.Rainfall
September is the month with the least rainfall in Deans. Rain falls for 12.3 days and accumulates 1.46" (37mm) of precipitation.Snowfall
In Deans, New Jersey, snow does not fall in June through September.Daylight
In Deans, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:41 pm EDT.
Sunshine
In Deans, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the temperature in September in Deans?
What is the average humidity in September in Deans?
What is the driest month in Deans?
How much does it rain in Deans in September?
When it does not snow in Deans?
Does it snow in Deans in September?
What is the average length of the day in September in Deans?
What time are sunrise and sunset in September in Deans?
How many hours of sunshine does Deans have in September?
What is the UV index intensity in September in Deans?
Average temperature in September
Deans, NJ
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Deans, 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
Deans, NJ
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Deans, NJ
- Average humidity in September: 75%
The months with the highest relative humidity are February, May, October and December (77%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall in September
Deans, NJ
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Deans, NJ
- Average rainfall days in September: 12.3 days
The months with the highest number of rainy days are May and June (16.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Deans, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Deans, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Deans, 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
Deans, NJ
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Deans, 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
Deans, NJ
- Average cloud cover in September: 38
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 33).
Average visibility in September
Deans, 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).
Deans, New Jersey, USA
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