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
A modest decline in the average high-temperature is seen during September, decreasing from 82.9°F (28.3°C) in August to a still moderately hot 75.2°F (24°C). During September, Montvale consistently records a temperature low averaging a refreshing 58.3°F (14.6°C).Humidity
In September, the average relative humidity is 74%.Rainfall
September is the month with the least rainfall in Montvale. Rain falls for 12.9 days and accumulates 1.89" (48mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Montvale, the average length of the day in September is 12h and 28min.On the first day of September in Montvale, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
The average sunshine in September in Montvale is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Make use of precautions - It is urged to ward off sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Montvale?
What is the average humidity in September in Montvale?
What is the driest month in Montvale?
How many days does it rain in September in Montvale?
When it does not snow in Montvale?
Does it snow in Montvale in September?
How many hours of daylight does Montvale have in September?
What time are sunrise and sunset in September in Montvale?
How many hours of sunshine does Montvale have in September?
What is the UV index intensity in September in Montvale?
Average temperature in September
Montvale, NJ
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in September
Montvale, NJ
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Montvale, NJ
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Montvale, NJ
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Montvale, NJ
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Montvale, NJ
- Average rainfall days in September: 12.9 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Montvale, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Montvale, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.9 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
Montvale, NJ
- Average daylight in September: 12h and 3min
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 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Montvale, NJ
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Montvale, 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
Montvale, NJ
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Montvale, NJ
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Montvale, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location
