September weather forecast and climate
Patterson Springs, NC

The first month of the autumn, September, is also a moderately hot month in Patterson Springs, North Carolina, with average temperature ranging between max 82.4°F (28°C) and min 61.7°F (16.5°C).

Temperature

In September, the average high-temperature slightly decreases, from a tropical 88.3°F (31.3°C) in August, to a moderately hot 82.4°F (28°C). The average low-temperature, in September, is 61.7°F (16.5°C).

Heat index

The average heat index is appraised at a tropical 88.2°F (31.2°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, clothing, metabolic differences). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Patterson Springs is 74%.

Rainfall

Months with the least rainfall in Patterson Springs, North Carolina, are September and October Rain falls for 12.5 days and accumulates 2.13" (54mm) of rain.

Snowfall

In Patterson Springs snow does not fall in April through October.

Daylight

The average length of the day in September is 12.4h.

Sunshine

The average sunshine in Patterson Springs is 8.6h.

UV index

The average daily maximum UV index in Patterson Springs is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Patterson Springs?

In September, in Patterson Springs, the average high-temperature is 82.4°F (28°C), and the average low-temperature is 61.7°F (16.5°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines both air temperature and relative humidity, is estimated at 88.2°F (31.2°C).

What is the average humidity in September in Patterson Springs?

In September, the average relative humidity is 74%.

How much does it rain in Patterson Springs in September?

In Patterson Springs, in September, during 12.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

What is the driest month in Patterson Springs?

September and October are months with the least rain when the rain falls for 12.5 days and typically aggregates up to 2.13" (54mm) of rain.

When it does not snow in Patterson Springs?

In Patterson Springs, North Carolina, snow does not fall in April through October.

How many hours of daylight does Patterson Springs have in September?

In September, the average length of the day in Patterson Springs is 12.4h.

How long on average sun shines in September in Patterson Springs?

In September, the average sunshine is 8.6h.

How high is the UV index in September in Patterson Springs?

In Patterson Springs, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Patterson Springs, NC
  • Average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).

Average pressure in September - Patterson Springs, NC
  • Average pressure in September: 30.04"

The month with the highest atmospheric pressure is November (30.15").
The month with the lowest atmospheric pressure is June (29.98").

Average wind speed in September - Patterson Springs, NC
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in September - Patterson Springs, NC
  • Average humidity in September: 74%

Months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in September - Patterson Springs, NC
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is December (3.46").
The driest months (with the least rainfall) are September and October (2.13").

Average rainfall days in September - Patterson Springs, NC
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in September - Patterson Springs, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is December (2.36").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Patterson Springs, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Patterson Springs, NC
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 5.4h).

Average sunshine days in September - Patterson Springs, NC
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in September - Patterson Springs, NC
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September - Patterson Springs, NC
  • Average cloud cover in September: 33

Months with the most cloud cover are February, March and December (Cloud cover 42).
Months with the least cloud cover are June and July (Cloud cover 29).

Average visibility in September - Patterson Springs, NC
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).