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
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderately hot 81.5°F (27.5°C) to a still warm 75.2°F (24°C). Smithfield records an average low of 55°F (12.8°C) throughout the nights in September.Humidity
In Smithfield, the average relative humidity in September is 79%.Rainfall
In Smithfield, Ohio, in September, it is raining for 12.4 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, in Smithfield, there are 147 rainfall days, and 19.57" (497mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Smithfield, Ohio, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:54 pm. On the last day of September, in Smithfield, Ohio, sunrise is at 7:19 am and sunset at 7:06 pm EDT.
Sunshine
The average sunshine in September in Smithfield is 8.4h.UV index
In September, the average daily maximum UV index in Smithfield is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Smithfield?
What is the average humidity in September in Smithfield?
How many days does it rain in September in Smithfield?
When it does not snow in Smithfield?
Does it snow in Smithfield in September?
How many hours of daylight does Smithfield have in September?
When are sunrise and sunset in September in Smithfield?
How many hours of sunshine does Smithfield have in September?
How high is the UV index in September in Smithfield?
Average temperature in September
Smithfield, OH
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Smithfield, OH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Smithfield, OH
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in September
Smithfield, OH
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Smithfield, OH
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Smithfield, OH
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Smithfield, OH
- Average snowfall in September: 0"
The months with the highest snowfall are February and March (2.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Smithfield, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Smithfield, 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 24min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Smithfield, OH
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in September
Smithfield, 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
Smithfield, OH
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Smithfield, OH
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Smithfield, Ohio, USA
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