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 signifies a gentle decline in Plymouth's average high-temperature, easing from a hot 87.3°F (30.7°C) in August to a moderately hot 81.9°F (27.7°C). The average temperature during September nights in Plymouth is registered at an enjoyable 65.5°F (18.6°C).Heat index
September's mean heat index is appraised at a hot 87.8°F (31°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In Plymouth, the average relative humidity in September is 79%.Rainfall
In Plymouth, during September, the rain falls for 14 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Plymouth, during the entire year, the rain falls for 165 days and collects up to 28.74" (730mm) of precipitation.Snowfall
In Plymouth, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:34 pm. On the last day of September, in Plymouth, sunrise is at 7:01 am and sunset at 6:51 pm EDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index 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: In September, the maximum UV index of 5 suggests these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Plymouth?
What is the average humidity in September in Plymouth?
How much does it rain in Plymouth in September?
When it does not snow in Plymouth?
What is the average length of the day in September in Plymouth?
When is the sunrise / sunset in September in Plymouth?
How long on average sun shines in September in Plymouth?
What is the UV index intensity in September in Plymouth?
Average temperature in September
Plymouth, NC
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in September
Plymouth, NC
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Plymouth, NC
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Plymouth, NC
- Average humidity in September: 79%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are January and April (76%).
Average rainfall in September
Plymouth, NC
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in September
Plymouth, NC
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is October (9.3 days).
Average snowfall in September
Plymouth, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Plymouth, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.7 days).
The 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
Plymouth, NC
- Average daylight in September: 12h and 2min
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: 9h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Plymouth, NC
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Plymouth, NC
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Plymouth, NC
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in September
Plymouth, NC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Plymouth, North Carolina, USA
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