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 sea temperature 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 experiences an average high-temperature of a still warm 80.4°F (26.9°C), barely different from August's 85.1°F (29.5°C). An average low-temperature of 67.1°F (19.5°C) is observed in Hertford during the September nights.Humidity
The average relative humidity in September is 78%.Rainfall
In Hertford, in September, during 6.6 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Hertford, during the entire year, the rain falls for 98.1 days and collects up to 8.15" (207mm) of precipitation.Snowfall
March through December are months without snowfall in Hertford.Ocean temperature
In September, the average ocean temperature in Hertford is 76.8°F (24.9°C).Note: For those with a heightened sensitivity to cold, sunshine, wind, and outside temperature make a big difference in enjoying a swim at 76.8°F (24.9°C). (Olympic swimming regulations state a water temperature of 77°F (25°C) to 82.4°F (28°C).)
Daylight
In Hertford, North Carolina, the average length of the day in September is 12h and 24min.On the first day of September in Hertford, sunrise is at 6:38 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:50 pm EDT.
Sunshine
In Hertford, North Carolina, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice! The reflection of water and sand increases the UV radiation significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Hertford?
What is the average humidity in September in Hertford?
How much does it rain in Hertford in September?
When it does not snow in Hertford?
What is the ocean temperature in September in Hertford?
How many hours of daylight does Hertford have in September?
When is the sunrise / sunset in September in Hertford?
How long on average sun shines in September in Hertford?
How high is the UV index in September in Hertford?
Average temperature in September
Hertford, NC
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in September
Hertford, 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
Hertford, NC
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Hertford, NC
- Average humidity in September: 78%
The months with the highest relative humidity are May, August and December (79%).
The months with the lowest relative humidity are January, April and November (76%).
Average rainfall in September
Hertford, NC
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is August (1.18").
The driest months (with the least rainfall) are January, March and November (0.47").
Average rainfall days in September
Hertford, NC
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is October (5.1 days).
Average snowfall in September
Hertford, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Hertford, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Hertford, NC
- Average sea temperature in September: 76.9°F
The best month for swimming (with the highest average sea temperature) is August (80.7°F).
The coldest month (with the lowest average sea temperature) is February (49.6°F).
Average daylight in September /
Average sunshine in September
Hertford, 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 42min).
- Average sunshine in September: 9h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in September
Hertford, NC
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in September
Hertford, NC
- Average UV index in September: 5
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Hertford, NC
- Average cloud cover in September: 34
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 28).
Average visibility in September
Hertford, NC
- 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).
Hertford, North Carolina, USA
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