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 Plainfield enters September, the average high-temperature subtly lowers from the a moderately hot 81.5°F (27.5°C) of August to a still warm 75.2°F (24°C). The mean low-temperature during September nights in Plainfield, Ohio, is a fresh 55°F (12.8°C).Humidity
In September, the average relative humidity in Plainfield is 78%.Rainfall
The month with the least rainfall in Plainfield is September, when the rain falls for 10.8 days and typically collects 0.98" (25mm) of precipitation.Snowfall
In Plainfield, snow does not fall in May through October.Daylight
In September, the average length of the day in Plainfield is 12h and 26min.On the first day of September, sunrise is at 6:55 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:10 pm EDT.
Sunshine
In Plainfield, Ohio, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Plainfield in September?
What is the average humidity in September in Plainfield?
What is the driest month in Plainfield?
How many days does it rain in September in Plainfield?
When it does not snow in Plainfield?
What is the average length of the day in September in Plainfield?
When is the sunrise / sunset in September in Plainfield?
How long on average sun shines in September in Plainfield?
How high is the UV index in September in Plainfield?
Average temperature in September
Plainfield, OH
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Plainfield, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Plainfield, OH
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Plainfield, OH
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in September
Plainfield, OH
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in September
Plainfield, OH
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (16.4 days).
The months with the least rainy days are February and November (7.7 days).
Average snowfall in September
Plainfield, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Plainfield, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Plainfield, 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 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Plainfield, OH
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11 days).
Average UV index in September
Plainfield, OH
- Average UV index in September: 4
The months with the highest UV index are June and July (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
Plainfield, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Plainfield, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
Plainfield, Ohio, USA
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