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 September's onset, the weather reveals a slight temperature decrease, transitioning from 82.8°F (28.2°C) in August to a still moderately hot 77°F (25°C). An average low-temperature of 58.1°F (14.5°C) is common during the nights of September.Humidity
In New Harmony, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall in New Harmony. Rain falls for 10.7 days and accumulates 0.91" (23mm) of precipitation.Snowfall
In New Harmony, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:19 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In New Harmony, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September in New Harmony?
When it does not snow?
Does it snow in September?
How many hours of daylight does New Harmony have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in New Harmony?
What is the UV index intensity in September?
Average temperature in September
New Harmony, OH
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
New Harmony, OH
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
New Harmony, OH
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
New Harmony, OH
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
New Harmony, OH
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in September
New Harmony, OH
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
New Harmony, OH
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
New Harmony, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New Harmony, OH
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
New Harmony, OH
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
New Harmony, OH
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
New Harmony, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
New Harmony, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
New Harmony, Ohio, USA
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