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's arrival comes with a mild decrease in the average high-temperature, moving subtly from a tropical 88°F (31.1°C) in August to a moderately hot 81.9°F (27.7°C). During the September nights, an average temperature of 61.9°F (16.6°C) is observed in Ostwalt.Heat index
For most parts of September, the heat index is estimated at a tropical 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Consider that heat index readings are for situations in the shade and light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In Ostwalt, North Carolina, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 12.9 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. In Ostwalt, during the entire year, the rain falls for 161.6 days and collects up to 32.91" (836mm) of precipitation.Snowfall
In Ostwalt, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:56 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:08 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Act with care - The need to guard against sun damage is communicated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Ostwalt?
How much does it rain in Ostwalt in September?
When it does not snow?
How many hours of daylight does Ostwalt have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Ostwalt?
Average temperature in September
Ostwalt, NC
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Ostwalt, NC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Ostwalt, NC
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Ostwalt, NC
- Average humidity in September: 74%
The 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
Ostwalt, NC
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in September
Ostwalt, NC
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Ostwalt, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ostwalt, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 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
Ostwalt, NC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Ostwalt, NC
- Average sunshine days in September: 15.4 days
The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is August (10.9 days).
Average UV index in September
Ostwalt, NC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Ostwalt, NC
- Average cloud cover in September: 35
The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Ostwalt, 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).
Ostwalt, North Carolina, USA
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