September weather forecast
Cornelius, IN

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Weather in September

September, the first month of the autumn in Cornelius, is also a moderately hot month, with an average temperature ranging between max 77.4°F (25.2°C) and min 58.3°F (14.6°C).

Temperature

Cornelius in September experiences a gentle temperature dip, with average high-temperatures reducing from 83.3°F (28.5°C) in August to a still moderately hot 77.4°F (25.2°C). In Cornelius, the nighttime temperature averages to a refreshing 58.3°F (14.6°C) during September.

Humidity

In September, the average relative humidity in Cornelius is 77%.

Rainfall

The month with the least rainfall in Cornelius is September, when the rain falls for 12.3 days and typically collects 1.57" (40mm) of precipitation.

Snowfall

In Cornelius, snow does not fall in May through September.

Daylight

In Cornelius, Indiana, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 7:14 am and sunset at 8:15 pm. On the last day of September, in Cornelius, sunrise is at 7:41 am and sunset at 7:28 pm EDT.

Sunshine

The average sunshine in September in Cornelius is 8.4h.

UV index

The average daily maximum UV index in September in Cornelius, Indiana, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 5 during September translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

What is the usual temperature for Cornelius in September?

In September, the average high-temperature and low-temperature are 77.4°F (25.2°C) and 58.3°F (14.6°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is computed to be 91.4°F (33°C).

What is the average humidity in September in Cornelius?

In Cornelius, the average relative humidity in September is 77%.

What is the driest month in Cornelius?

September is the month with the least rainfall in Cornelius. Rain falls for 12.3 days and accumulates 1.57" (40mm) of precipitation.

How many days does it rain in September in Cornelius?

In September, the rain falls for 12.3 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

When it does not snow in Cornelius?

May through September are months without snowfall in Cornelius.

Does it snow in Cornelius in September?

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

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

The average day length in September in Cornelius, Indiana, is 12h and 26min.

When are sunrise and sunset in September in Cornelius?

On the first day of September in Cornelius, Indiana, sunrise is at 7:14 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:28 pm EDT.

How long on average sun shines in September in Cornelius?

In September, the average sunshine duration in Cornelius is 8.4h.

What is the UV index intensity in September in Cornelius?

The average daily maximum UV index in September in Cornelius is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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
Cornelius, IN

Average temperature in September - Cornelius, IN
  • Average high temperature in September: 77.4°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in September: 58.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in September
Cornelius, IN

Average pressure in September - Cornelius, IN
  • 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 (29.93"Hg).

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Average wind speed in September
Cornelius, IN

Average wind speed in September - Cornelius, IN
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Cornelius, IN

Average humidity in September - Cornelius, IN
  • Average humidity in September: 77%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in September
Cornelius, IN

Average rainfall in September - Cornelius, IN
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in September
Cornelius, IN

Average rainfall days in September - Cornelius, IN
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is May (19.6 days).
The months with the least rainy days are January and February (8 days).

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Average snowfall in September
Cornelius, IN

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

The month with the highest snowfall is March (2.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Cornelius, IN

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

The month with the highest number of snowfall days is January (6.8 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
Cornelius, IN

Average daylight in September / Average sunshine in September - Cornelius, 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 30min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in September
Cornelius, IN

Average sunshine days in September - Cornelius, IN
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (8.6 days).

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Average UV index in September
Cornelius, IN

Average UV index in September - Cornelius, 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, October, November and December (UV index 2).

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Average cloud cover in September
Cornelius, IN

Average cloud cover in September - Cornelius, IN
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Cornelius, IN

Average visibility in September - Cornelius, IN
  • Average visibility in September: 5mi

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

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Cornelius, Indiana, USA

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