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
Butler in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 81.1°F (27.3°C) to a still moderately hot 74.1°F (23.4°C). An average low-temperature of 55.9°F (13.3°C) is expected in Butler during September.Humidity
The average relative humidity in September in Butler is 78%.Rainfall
September is the month with the least rainfall in Butler, New Jersey. Rain falls for 8.7 days and accumulates 0.31" (8mm) of precipitation.Snowfall
In Butler, snow does not fall in May through September.Daylight
The average length of the day in September in Butler, New Jersey, is 12h and 28min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Sunshine
The average sunshine in September in Butler is 8.2h.UV index
In Butler, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Be vigilant - Preventing sunburn is recommended. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the usual temperature for Butler in September?
What is the average humidity in September in Butler?
What is the driest month in Butler?
How much does it rain in Butler in September?
When it does not snow in Butler?
Does it snow in Butler in September?
How many hours of daylight does Butler have in September?
When is the sunrise / sunset in September in Butler?
How many hours of sunshine does Butler have in September?
How high is the UV index in September in Butler?
Average temperature in September
Butler, NJ
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in September
Butler, NJ
- Average pressure in September: 30.06"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
Butler, NJ
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Butler, NJ
- Average humidity in September: 78%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Butler, NJ
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is July (1.06").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in September
Butler, NJ
- Average rainfall days in September: 8.7 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Butler, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Butler, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.1 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
Butler, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Butler, NJ
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.9 days).
Average UV index in September
Butler, 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
Butler, NJ
- Average cloud cover in September: 42
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Butler, NJ
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, August, November and December (6mi).
The months with the lowest visibility are February, May, June, July, September and October (5mi).
Butler, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location
