September weather forecast
New Holland, IL

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Weather in September

The first month of the autumn, September, is also a moderately hot month in New Holland, Illinois, with an average temperature varying between 58.5°F (14.7°C) and 76.8°F (24.9°C).

Temperature

In September, New Holland experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 81.9°F (27.7°C) in August to a still warm 76.8°F (24.9°C). New Holland's September nights cool down to an average low-temperature of 58.5°F (14.7°C).

Humidity

In New Holland, the average relative humidity in September is 75%.

Rainfall

In New Holland, in September, it is raining for 12.2 days, with typically 2.56" (65mm) of accumulated precipitation. In New Holland, during the entire year, the rain falls for 150 days and collects up to 29.84" (758mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:41 pm CDT.

Sunshine

The average sunshine in September in New Holland is 9.3h.

UV index

In New Holland, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are September temperatures in New Holland?

In New Holland, in September, the average high-temperature is 76.8°F (24.9°C), and the average low-temperature is 58.5°F (14.7°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is calculated to be 87.8°F (31°C).

What is the average humidity in September in New Holland?

In September, the average relative humidity in New Holland is 75%.

How many days does it rain in September in New Holland?

In September, the rain falls for 12.2 days. Throughout September, 2.56" (65mm) of precipitation is accumulated.

When it does not snow in New Holland?

May through September are months without snowfall.

Does it snow in New Holland in September?

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

How many hours of daylight does New Holland have in September?

In New Holland, Illinois, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September in New Holland?

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:29 pm. On the last day of the month, in New Holland, sunrise is at 6:54 am and sunset at 6:41 pm CDT.

How many hours of sunshine does New Holland have in September?

In September, the average sunshine duration is 9.3h.

What is the UV index reading in September in New Holland?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from 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
New Holland, IL

Average temperature in September - New Holland, IL
  • Average high temperature in September: 76.8°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in September: 58.5°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

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Average pressure in September
New Holland, IL

Average pressure in September - New Holland, IL
  • 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 (29.91"Hg).

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Average wind speed in September
New Holland, IL

Average wind speed in September - New Holland, IL
  • Average wind speed in September: 7.3mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in September
New Holland, IL

Average humidity in September - New Holland, IL
  • Average humidity in September: 75%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
New Holland, IL

Average rainfall in September - New Holland, IL
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is December (1.46").

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Average rainfall days in September
New Holland, IL

Average rainfall days in September - New Holland, IL
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (6.2 days).

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Average snowfall in September
New Holland, IL

Average snowfall in September - New Holland, IL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.98").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
New Holland, IL

Average snowfall days in September - New Holland, IL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.7 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
New Holland, IL

Average daylight in September / Average sunshine in September - New Holland, IL
  • 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: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
New Holland, IL

Average sunshine days in September - New Holland, IL
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.5 days).

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Average UV index in September
New Holland, IL

Average UV index in September - New Holland, IL
  • 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).

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Average cloud cover in September
New Holland, IL

Average cloud cover in September - New Holland, IL
  • Average cloud cover in September: 29

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

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Average visibility in September
New Holland, IL

Average visibility in September - New Holland, IL
  • Average visibility in September: 6mi

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

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New Holland, Illinois, USA

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