September weather forecast
Plainville, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Plainville, Indiana, with an average temperature fluctuating between 59.7°F (15.4°C) and 78.3°F (25.7°C).

Temperature

Plainville records a mild change in average high-temperature during September, easing from a moderately hot 83.7°F (28.7°C) in August to a still warm 78.3°F (25.7°C). Plainville encounters a steady low-temperature average of 59.7°F (15.4°C) throughout the month of September.

Humidity

The average relative humidity in September in Plainville is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 1.14" (29mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 7:18 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:32 pm EDT.

Sunshine

In Plainville, the average sunshine in September is 8.5h.

UV index

In Plainville, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 in September translates into this advice:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. 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.
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Frequently asked questions

What are the temperatures in Plainville in September?

The average high-temperature and low-temperature during September are 78.3°F (25.7°C) and 59.7°F (15.4°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 93.2°F (34°C).

What is the average humidity in September in Plainville?

The average relative humidity in September in Plainville, Indiana, is 75%.

What is the driest month in Plainville?

September is the month with the least rainfall in Plainville, Indiana. Rain falls for 10.6 days and accumulates 1.14" (29mm) of precipitation.

How much does it rain in Plainville in September?

In Plainville, Indiana, in September, during 10.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

When it does not snow in Plainville?

May through September are months without snowfall in Plainville, Indiana.

Does it snow in Plainville in September?

In Plainville, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Plainville?

In September, the average day length in Plainville, Indiana, is 12h and 26min.

When is the sunrise / sunset in September in Plainville?

In September, on the first day of the month, sunrise is at 7:18 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:32 pm EDT.

How long on average sun shines in September in Plainville?

In September, the average sunshine duration is 8.5h.

How high is the UV index in September in Plainville?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Plainville, IN

Average temperature in September - Plainville, IN
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in September
Plainville, IN

Average pressure in September - Plainville, IN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Plainville, IN

Average wind speed in September - Plainville, IN
  • Average wind speed in September: 6.2mph

The windiest months (with the highest average wind speed) are January, February and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in September
Plainville, IN

Average humidity in September - Plainville, IN
  • Average humidity in September: 75%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Plainville, IN

Average rainfall in September - Plainville, IN
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is September (1.14").

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Average rainfall days in September
Plainville, IN

Average rainfall days in September - Plainville, IN
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is December (8.5 days).

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Average snowfall in September
Plainville, IN

Average snowfall in September - Plainville, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Plainville, IN

Average snowfall days in September - Plainville, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Plainville, IN

Average daylight in September / Average sunshine in September - Plainville, IN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

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Average sunshine days in September
Plainville, IN

Average sunshine days in September - Plainville, IN
  • Average sunshine days in September: 17 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in September
Plainville, IN

Average UV index in September - Plainville, IN
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Plainville, IN

Average cloud cover in September - Plainville, IN
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Plainville, IN

Average visibility in September - Plainville, IN
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

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Plainville, Indiana, USA

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