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 shift from August to September is characterized by an average high-temperature of a still moderately hot 73.8°F (23.2°C), not significantly different from the 79°F (26.1°C) of August. Marengo reports an average nighttime low-temperature of 55.2°F (12.9°C) in September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Marengo, in September, during 14.1 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, in Marengo, Ohio, there are 163.8 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
In Marengo, Ohio, snow does not fall in June through September.Daylight
In September, the average length of the day in Marengo is 12h and 27min.On the first day of September in Marengo, sunrise is at 6:59 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:14 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in Marengo, Ohio, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Marengo?
What is the average humidity in September in Marengo?
How much does it rain in Marengo in September?
When it does not snow in Marengo?
Does it snow in Marengo in September?
What is the average length of the day in September in Marengo?
When are sunrise and sunset in September in Marengo?
How long on average sun shines in September in Marengo?
How high is the UV index in September in Marengo?
Average temperature in September
Marengo, OH
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Marengo, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Marengo, OH
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Marengo, OH
- Average humidity in September: 79%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in September
Marengo, OH
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is May (3.03").
The driest months (with the least rainfall) are January and February (1.61").
Average rainfall days in September
Marengo, OH
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Marengo, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Marengo, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Marengo, OH
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Marengo, OH
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is May (9 days).
Average UV index in September
Marengo, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Marengo, OH
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Marengo, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Marengo, Ohio, USA
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