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
In North Royalton, entering September brings a subtle temperature decrement, reducing from August's moderately hot 78.4°F (25.8°C) to an agreeable 72.5°F (22.5°C). An average nighttime temperature of 57.9°F (14.4°C) is recorded during September.Humidity
The average relative humidity in September is 77%.Rainfall
In September, the rain falls for 14.9 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In North Royalton, during the entire year, the rain falls for 165 days and collects up to 29.57" (751mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:54 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:09 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In North Royalton, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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?
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?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
North Royalton, OH
- Average high temperature in September: 72.5°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 (31.1°F).
- Average low temperature in September: 57.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
North Royalton, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
North Royalton, OH
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in September
North Royalton, OH
- Average humidity in September: 77%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in September
North Royalton, OH
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in September
North Royalton, OH
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
North Royalton, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
North Royalton, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
North Royalton, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
North Royalton, OH
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in September
North Royalton, 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
North Royalton, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
North Royalton, 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).
North Royalton, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location