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
Littletown's weather subtly changes with the onset of September, barely falling from a moderately hot 81.7°F (27.6°C) in August to a still warm 75.4°F (24.1°C). An average nighttime temperature of 55.6°F (13.1°C) is witnessed throughout September.Humidity
The average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.1 days and typically collects 0.28" (7mm) of precipitation.Snowfall
In Littletown, snow does not fall in June through October.Daylight
In Littletown, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:27 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm EDT.
Sunshine
In Littletown, New Jersey, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
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. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September in Littletown?
When are sunrise and sunset in September?
How many hours of sunshine does Littletown have in September?
What is the UV index reading in September?
Average temperature in September
Littletown, 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 (34.9°F).
- Average low temperature in September: 55.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Littletown, NJ
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Littletown, NJ
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Littletown, NJ
- Average humidity in September: 79%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in September
Littletown, NJ
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is July (0.91").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in September
Littletown, NJ
- Average rainfall days in September: 7.1 days
The months with the highest number of rainy days are June and July (10.2 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Littletown, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.63").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Littletown, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Littletown, NJ
- Average daylight in September: 12h and 3min
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 30min).
Average sunshine days in September
Littletown, NJ
- Average sunshine days in September: 20.2 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is June (16.7 days).
Average UV index in September
Littletown, NJ
- Average UV index in September: 4
The months with the highest UV index are June and July (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
Littletown, NJ
- Average cloud cover in September: 40
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Littletown, NJ
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, November and December (6mi).
The months with the lowest visibility are May, June, July, August, September and October (5mi).
Littletown, New Jersey, USA
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