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
With the onset of September, the average high-temperature stands at a pleasant 72.7°F (22.6°C), closely aligned with August's 77.5°F (25.3°C). The average low-temperature, in September, is a refreshing 56.3°F (13.5°C).Humidity
The average relative humidity in September is 80%.Rainfall
In New London, during September, the rain falls for 15.1 days and regularly aggregates up to 2.2" (56mm) of precipitation. In New London, during the entire year, the rain falls for 178.7 days and collects up to 32.6" (828mm) of precipitation.Snowfall
In New London, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:56 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:12 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September in New London is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does New London have in September?
What is the UV index reading in September?
Average temperature in September
New London, OH
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in September
New London, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
New London, OH
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
New London, OH
- Average humidity in September: 80%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in September
New London, OH
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is February (2.17").
Average rainfall days in September
New London, OH
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in September
New London, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
New London, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New London, OH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
New London, OH
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is November (13 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
New London, OH
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
New London, OH
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
New London, OH
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
New London, Ohio, USA
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