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
As Trenton, Ohio, welcomes September, the average high-temperature is noted at a still moderately hot 76.3°F (24.6°C), closely aligning with the preceding month. Trenton experiences an average low-temperature of 57.6°F (14.2°C) in month of September.Humidity
The average relative humidity in September in Trenton is 76%.Rainfall
In September, in Trenton, the rain falls for 12.4 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. In Trenton, during the entire year, the rain falls for 148.1 days and collects up to 25.63" (651mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Trenton, the average length of the day in September is 12h and 26min.On the first day of September in Trenton, Ohio, sunrise is at 7:06 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:21 pm EDT.
Sunshine
The average sunshine in September in Trenton is 8.2h.UV index
In September, the average daily maximum UV index in Trenton is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are the temperatures in Trenton in September?
What is the average humidity in September in Trenton?
How many days does it rain in September in Trenton?
When it does not snow in Trenton?
What is the average length of the day in September in Trenton?
What time are sunrise and sunset in September in Trenton?
How long on average sun shines in September in Trenton?
What is the UV index intensity in September in Trenton?
Average temperature in September
Trenton, OH
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 57.6°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 (21.7°F).
Average pressure in September
Trenton, 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
Trenton, OH
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Trenton, OH
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Trenton, OH
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is October (1.57").
Average rainfall days in September
Trenton, OH
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Trenton, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Trenton, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.4 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
Trenton, 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 24min).
- 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
Trenton, OH
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in September
Trenton, OH
- Average UV index in September: 5
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, November and December (UV index 2).
Average cloud cover in September
Trenton, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Trenton, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Trenton, Ohio, USA
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