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
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 82.8°F (28.2°C) to a still moderately hot 76.1°F (24.5°C). An average nighttime temperature of 60.4°F (15.8°C) is recorded in Lewistown during September.Humidity
In Lewistown, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Lewistown is September, when the rain falls for 12.3 days and typically collects 1.89" (48mm) of precipitation.Snowfall
June through September are months without snowfall in Lewistown.Daylight
In Lewistown, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:29 pm. On the last day of September, in Lewistown, New Jersey, sunrise is at 6:54 am and sunset at 6:42 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index in Lewistown is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the temperature in September in Lewistown?
What is the average humidity in September in Lewistown?
What is the driest month in Lewistown?
How many days does it rain in September in Lewistown?
When it does not snow in Lewistown?
Does it snow in Lewistown in September?
How many hours of daylight does Lewistown have in September?
What time are sunrise and sunset in September in Lewistown?
How long on average sun shines in September in Lewistown?
What is the UV index reading in September in Lewistown?
Average temperature in September
Lewistown, NJ
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Lewistown, 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
Lewistown, NJ
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Lewistown, NJ
- Average humidity in September: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Lewistown, NJ
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Lewistown, NJ
- Average rainfall days in September: 12.3 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is November (9 days).
Average snowfall in September
Lewistown, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lewistown, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lewistown, 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 24min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Lewistown, NJ
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Lewistown, NJ
- 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
Lewistown, NJ
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Lewistown, 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).
Lewistown, New Jersey, USA
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