September weather forecast
Chalco, NE

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Weather in September

September, the first month of the autumn in Chalco, is still a warm month, with an average temperature fluctuating between 77°F (25°C) and 57.6°F (14.2°C).

Temperature

September sees a slight reduction in average high-temperature, with a shift from a moderately hot 82.9°F (28.3°C) in August to a still warm 77°F (25°C). Chalco, during September, witnesses an average low-temperature of 57.6°F (14.2°C).

Humidity

In Chalco, the average relative humidity in September is 72%.

Rainfall

In Chalco, in September, it is raining for 12.5 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, in Chalco, there are 120.7 rainfall days, and 22.87" (581mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Chalco.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:51 am and sunset at 7:56 pm. On the last day of September, in Chalco, sunrise is at 7:21 am and sunset at 7:07 pm CDT.

Sunshine

In September, the average sunshine is 9h.

UV index

In Chalco, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 5 in September transforms into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Chalco?

In Chalco, in September, the average high-temperature is 77°F (25°C), and the average low-temperature is 57.6°F (14.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 89.6°F (32°C).

What is the average humidity in September in Chalco?

In Chalco, Nebraska, the average relative humidity in September is 72%.

How much does it rain in Chalco in September?

In September, in Chalco, the rain falls for 12.5 days. Throughout September, 2.28" (58mm) of precipitation is accumulated.

When it does not snow in Chalco?

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

Does it snow in Chalco in September?

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

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

In September, the average day length in Chalco is 12h and 28min.

When are sunrise and sunset in September in Chalco?

On the first day of September in Chalco, sunrise is at 6:51 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:07 pm CDT.

How many hours of sunshine does Chalco have in September?

The average sunshine duration in September in Chalco, Nebraska, is 9h.

How high is the UV index in September in Chalco?

In September, the average daily maximum UV index in Chalco, Nebraska, is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Chalco, NE

Average temperature in September - Chalco, NE
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in September: 57.6°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in September
Chalco, NE

Average pressure in September - Chalco, NE
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in September
Chalco, NE

Average wind speed in September - Chalco, NE
  • Average wind speed in September: 8.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in September
Chalco, NE

Average humidity in September - Chalco, NE
  • Average humidity in September: 72%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (65%).

Average rainfall in September
Chalco, NE

Average rainfall in September - Chalco, NE
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is June (3.7").
The driest months (with the least rainfall) are January and February (0.63").

Average rainfall days in September
Chalco, NE

Average rainfall days in September - Chalco, NE
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (2.9 days).

Average snowfall in September
Chalco, NE

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

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

Average snowfall days in September
Chalco, NE

Average snowfall days in September - Chalco, NE
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Chalco, NE
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in September
Chalco, NE

Average sunshine days in September - Chalco, NE
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in September
Chalco, NE

Average UV index in September - Chalco, NE
  • 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).

Average cloud cover in September
Chalco, NE

Average cloud cover in September - Chalco, NE
  • Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in September
Chalco, NE

Average visibility in September - Chalco, 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).

Chalco, Nebraska, USA

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