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
The start of September signals a gentle decrease in the average high-temperature, transitioning from a hot 87.1°F (30.6°C) in August to a warm 81.1°F (27.3°C). The low-temperature averages to an enjoyable 63°F (17.2°C) during the nights of September.Heat index
The heat index value for September is estimated at a tropical 86°F (30°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In Littleton, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.85" (47mm) of precipitation.Snowfall
In Littleton, snow does not fall in April through October.Daylight
In Littleton, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:56 pm EDT.
Sunshine
In Littleton, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Littleton is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What are September temperatures in Littleton?
What is the average humidity in September in Littleton?
What is the driest month in Littleton?
How much does it rain in Littleton in September?
When it does not snow in Littleton?
What is the average length of the day in September in Littleton?
What time are sunrise and sunset in September in Littleton?
How long on average sun shines in September in Littleton?
What is the UV index reading in September in Littleton?
Average temperature in September
Littleton, NC
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in September
Littleton, NC
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Littleton, NC
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Littleton, NC
- Average humidity in September: 77%
The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Littleton, NC
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is August (3.03").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Littleton, NC
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Littleton, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Littleton, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3 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
Littleton, 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: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Littleton, NC
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Littleton, 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
Littleton, NC
- Average cloud cover in September: 39
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
Littleton, 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).
Littleton, North Carolina, USA
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