September weather forecast
Washington, NE

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Washington, Nebraska, with an average temperature varying between 77°F (25°C) and 56.8°F (13.8°C).

Temperature

Washington's transition into September involves a gentle shift in temperature, receding from 82.9°F (28.3°C) in August to a still warm 77°F (25°C). In Washington, the September nights cool down to an average low of 56.8°F (13.8°C).

Humidity

In September, the average relative humidity is 71%.

Rainfall

In Washington, in September, it is raining for 12 days, with typically 1.61" (41mm) of accumulated precipitation. In Washington, during the entire year, the rain falls for 115.6 days and collects up to 19.13" (486mm) of precipitation.

Snowfall

May through September are months without snowfall in Washington, Nebraska.

Daylight

In Washington, Nebraska, 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 7:57 pm. On the last day of September, in Washington, Nebraska, sunrise is at 7:21 am and sunset at 7:07 pm CDT.

Sunshine

The average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What is the temperature in September in Washington?

The average high-temperature and low-temperature in Washington, Nebraska, during September are 77°F (25°C) and 56.8°F (13.8°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in September in Washington?

The average relative humidity in September in Washington is 71%.

How many days does it rain in September in Washington?

In Washington, in September, it is raining for 12 days, with typically 1.61" (41mm) of accumulated precipitation.

When it does not snow in Washington?

May through September are months without snowfall in Washington.

Does it snow in Washington in September?

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

How many hours of daylight does Washington have in September?

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

When are sunrise and sunset in September in Washington?

In September, on the first day of the month, sunrise is at 6:51 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:07 pm CDT.

How long on average sun shines in September in Washington?

In Washington, the average sunshine duration in September is 9h.

What is the UV index intensity in September in Washington?

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

Average temperature in September - Washington, 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 (30.7°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in September
Washington, NE

Average pressure in September - Washington, 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).

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Average wind speed in September
Washington, NE

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

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in September
Washington, NE

Average humidity in September - Washington, NE
  • Average humidity in September: 71%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).

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Average rainfall in September
Washington, NE

Average rainfall in September - Washington, NE
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in September
Washington, NE

Average rainfall days in September - Washington, NE
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (2.9 days).

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Average snowfall in September
Washington, NE

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

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Washington, NE

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

The month with the highest number of snowfall days is January (7.6 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
Washington, NE

Average daylight in September / Average sunshine in September - Washington, 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 12min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in September
Washington, NE

Average sunshine days in September - Washington, NE
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is December (23 days).
The month with the least sunshine days is June (12.6 days).

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Average UV index in September
Washington, NE

Average UV index in September - Washington, 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).

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Average cloud cover in September
Washington, NE

Average cloud cover in September - Washington, NE
  • Average cloud cover in September: 27

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

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Average visibility in September
Washington, NE

Average visibility in September - Washington, 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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Washington, Nebraska, USA

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