September weather forecast
Chappell, NE

Weather in September

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

Temperature

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

Humidity

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

Rainfall

In Chappell, during September, the rain falls for 9.5 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 105.9 rainfall days, and 15.94" (405mm) of precipitation is accumulated.

Snowfall

In Chappell, snow does not fall in June through September.

Daylight

In Chappell, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:22 pm. On the last day of September, in Chappell, sunrise is at 6:45 am and sunset at 6:33 pm MDT.

Sunshine

The average sunshine in September in Chappell is 10.2h.

UV index

In Chappell, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to 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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Chappell?

In September, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 56.1°F (13.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is computed to be 86°F (30°C).

What is the least humid month in Chappell?

The least humid month in Chappell 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, Nebraska, in September, during 9.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

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

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

In Chappell, Nebraska, the average day length in September is 12h and 27min.

When are sunrise and sunset in September in Chappell?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:22 pm. On the last day of the month, in Chappell, Nebraska, sunrise is at 6:45 am and sunset at 6:33 pm MDT.

How many hours of sunshine does Chappell have in September?

The average sunshine duration in September in Chappell is 10.2h.

What is the UV index intensity in September in Chappell?

In Chappell, Nebraska, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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").
The 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).
The 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: 12h and 27min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 17min).

  • Average sunshine in September: 10h and 12min

The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

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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).
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
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

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

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