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 brings a minor shift in the average high-temperature in Newark, adjusting from a moderately hot 82.9°F (28.3°C) in August to a still warm 76.5°F (24.7°C). In Newark, the expected average low-temperature for September is a refreshing 59.9°F (15.5°C).Humidity
May, September and October, with an average relative humidity of 78%, are the most humid months.Rainfall
In Newark, Delaware, in September, it is raining for 13.7 days, with typically 2.36" (60mm) of accumulated precipitation. In Newark, during the entire year, the rain falls for 168.9 days and collects up to 34.84" (885mm) of precipitation.Snowfall
In Newark, snow does not fall in June through October.Daylight
In Newark, Delaware, the average length of the day in September is 12h and 26min.On the first day of September in Newark, sunrise is at 6:31 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm EDT.
Sunshine
In September, the average sunshine in Newark is 9.1h.UV index
The average daily maximum UV index in September in Newark is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the usual temperature for Newark in September?
What are the most humid months in Newark?
What is the average humidity in September in Newark?
How much does it rain in Newark in September?
When it does not snow in Newark?
What is the average length of the day in September in Newark?
What time are sunrise and sunset in September in Newark?
How many hours of sunshine does Newark have in September?
How high is the UV index in September in Newark?
Average temperature in September
Newark, DE
- Average high temperature in September: 76.5°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 (37.8°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 (25.7°F).
Average pressure in September
Newark, DE
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Newark, DE
- Average wind speed in September: 5.9mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Newark, DE
- Average humidity in September: 78%
The months with the highest relative humidity are May, September and October (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Newark, DE
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in September
Newark, DE
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Newark, DE
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Newark, DE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 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
Newark, DE
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Newark, DE
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in September
Newark, DE
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Newark, DE
- Average cloud cover in September: 35
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Newark, DE
- 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).
Newark, Delaware, USA
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