September weather forecast and climate
Chappell, NE

Weather in September

September, the first month of the autumn, in Chappell, is still a warm month, with average temperature ranging between min 56.1°F (13.4°C) and max 77.9°F (25.5°C).

Temperature

In Chappell, the average high-temperature in September slightly decreases, from 85.5°F (29.7°C) in August, to a still warm 77.9°F (25.5°C). In September, in Chappell, Nebraska, the average low-temperature is 56.1°F (13.4°C).

Humidity

With an average relative humidity of 48%, September is the least humid month in Chappell.

Rainfall

In Chappell, during 9.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Chappell, Nebraska, during the entire year, the rain falls for 105.9 days and collects up to 15.94" (405mm) of precipitation.

Snowfall

June through September are months without snowfall in Chappell.

Daylight

In Chappell, the average length of the day in September is 12.4h.

Sunshine

In Chappell, the average sunshine is 10.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the least humid month in Chappell?

The least humid month in Chappell, Nebraska, is September, with an average relative humidity of 48%.

What is the average humidity in September in Chappell?

In September, the average relative humidity is 48%.

How much does it rain in Chappell in September?

In Chappell, in September, it is raining for 9.5 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Chappell?

In Chappell snow does not fall in June through September.

Does it snow in Chappell in September?

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

How many hours of daylight does Chappell have in September?

In Chappell, Nebraska, the average length of the day in September is 12.4h.

How long on average sun shines in September in Chappell?

The average sunshine in September in Chappell is 10.2h.

How high is the UV index in September in Chappell?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
Chappell, NE

Average temperature in September - Chappell, NE
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (37.4°F).

  • Average low temperature in September: 56.1°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).

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Average pressure in September
Chappell, NE

Average pressure in September - Chappell, NE
  • Average pressure in September: 29.94"

Months with the highest atmospheric pressure are January and December (30.11").
The month with the lowest atmospheric pressure is June (29.83").

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Average wind speed in September
Chappell, NE

Average wind speed in September - Chappell, NE
  • Average wind speed in September: 10.3mph

The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

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Average humidity in September
Chappell, NE

Average humidity in September - Chappell, NE
  • Average humidity in September: 48%

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is September (48%).

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Average rainfall in September
Chappell, NE

Average rainfall in September - Chappell, NE
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in September
Chappell, NE

Average rainfall days in September - Chappell, NE
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is December (3.5 days).

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Average snowfall in September
Chappell, NE

Average snowfall in September - Chappell, NE
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.35").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Chappell, NE

Average snowfall days in September - Chappell, NE
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (9.2 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Chappell, NE

Average daylight in September / Average sunshine in September - Chappell, NE
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 10.2h

The month with the most sunshine is August (Average sunshine: 11.6h).
The month with the least sunshine is February (Average sunshine: 6.1h).

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Average sunshine days in September
Chappell, NE

Average sunshine days in September - Chappell, NE
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (12.4 days).

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Average UV index in September
Chappell, NE

Average UV index in September - Chappell, NE
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Chappell, NE

Average cloud cover in September - Chappell, NE
  • Average cloud cover in September: 20

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).

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Average visibility in September
Chappell, NE

Average visibility in September - Chappell, NE
  • Average visibility in September: 6mi

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

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