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
September's advent in Plainfield denotes a minor fluctuation in the average high-temperature to a still moderately hot 75.7°F (24.3°C) from August's 81°F (27.2°C). In September, Plainfield experiences a temperature dip to an average of 58.1°F (14.5°C) at night.Humidity
In Plainfield, Indiana, the average relative humidity in September is 77%.Rainfall
The months with the least rainfall are February and September Rain falls for 14.5 days and accumulates 2.32" (59mm) of rain.Snowfall
June through October are months without snowfall.Daylight
In Plainfield, the average length of the day in September is 12h and 26min.On the first day of September in Plainfield, sunrise is at 7:14 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:29 pm EDT.
Sunshine
In Plainfield, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Plainfield is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the temperature in September in Plainfield?
What is the average humidity in September in Plainfield?
What is the driest month in Plainfield?
How much does it rain in Plainfield in September?
When it does not snow in Plainfield?
How many hours of daylight does Plainfield have in September?
When is the sunrise / sunset in September in Plainfield?
How many hours of sunshine does Plainfield have in September?
What is the UV index reading in September in Plainfield?
Average temperature in September
Plainfield, IN
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Plainfield, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Plainfield, IN
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Plainfield, IN
- Average humidity in September: 77%
The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Plainfield, IN
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is May (4.53").
The driest months (with the least rainfall) are February and September (2.32").
Average rainfall days in September
Plainfield, IN
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (21.6 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in September
Plainfield, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Plainfield, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Plainfield, IN
- 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in September
Plainfield, IN
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in September
Plainfield, IN
- 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
Plainfield, IN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Plainfield, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, July and December (5mi).
Plainfield, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location
