September weather forecastPatterson, NC
September
Weather in September
September, the first month of the autumn in Patterson, is also a moderately hot month, with an average temperature varying between 75.7°F (24.3°C) and 55.4°F (13°C).Temperature
September marks a gentle change in average high-temperature, declining from August's 81.5°F (27.5°C) to a still moderately hot 75.7°F (24.3°C). In September, Patterson records an average nighttime temperature of 55.4°F (13°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Patterson, in September, it is raining for 16.3 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, there are 177.6 rainfall days, and 34.09" (866mm) of precipitation is accumulated.Snowfall
In Patterson, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:58 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:10 pm EDT.
Sunshine
In Patterson, the average sunshine in September is 8.2h.UV index
In Patterson, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. To guard against the harmful effects of the Sun, minimize exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Patterson, NC
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Patterson, NC
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Patterson, NC
- Average wind speed in September: 4mph
The windiest months (with the highest average wind speed) are January and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Patterson, NC
- Average humidity in September: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are June, July and November (75%).
Average rainfall in September
Patterson, NC
- Average rainfall in September: 2.76"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in September
Patterson, NC
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Patterson, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.62").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Patterson, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 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
Patterson, NC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Patterson, NC
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in September
Patterson, NC
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Patterson, NC
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Patterson, NC
- Average visibility in September: 5mi
The months with the highest visibility are June, July, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September and December (5mi).
