September weather forecast and climate
Bertrand, NE

Weather in September

The first month of the autumn, September, is still a warm month in Bertrand, Nebraska, with average temperature fluctuating between 57.2°F (14°C) and 79°F (26.1°C).

Temperature

In Bertrand, the average high-temperature slightly decreases, from a tropical 86.5°F (30.3°C) in August, to a moderately hot 79°F (26.1°C). The average low-temperature, in Bertrand, is 57.2°F (14°C).

Humidity

The average relative humidity in Bertrand is 62%.

Rainfall

In Bertrand, in September, during 10.8 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 108.2 rainfall days, and 18.82" (478mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

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

Sunshine

In Bertrand, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in Bertrand, Nebraska, is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. 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.
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FAQ

What is the temperature in September in Bertrand?

The average high-temperature, in September, in Bertrand, Nebraska, is 79°F (26.1°C), while the average low-temperature is 57.2°F (14°C).

What is the average humidity in September in Bertrand?

The average relative humidity in September is 62%.

How much does it rain in Bertrand in September?

In Bertrand, Nebraska, during September, the rain falls for 10.8 days and regularly aggregates up to 1.1" (28mm) of precipitation.

Does it snow in Bertrand in September?

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

When it does not snow in Bertrand?

In Bertrand, Nebraska, snow does not fall in June through September.

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

The average length of the day in September in Bertrand, Nebraska, is 12.4h.

How long on average sun shines in September in Bertrand?

The average sunshine in September in Bertrand, Nebraska, is 8.8h.

What is the UV index intensity in September in Bertrand?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in September
Bertrand, NE

Average temperature in September - Bertrand, NE
  • Average high temperature in September: 79°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in September
Bertrand, NE

Average pressure in September - Bertrand, NE
  • Average pressure in September: 29.97"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in September
Bertrand, NE

Average wind speed in September - Bertrand, NE
  • Average wind speed in September: 9.9mph

The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

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Average humidity in September
Bertrand, NE

Average humidity in September - Bertrand, NE
  • Average humidity in September: 62%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is October (59%).

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Average rainfall in September
Bertrand, NE

Average rainfall in September - Bertrand, 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 (0.43").

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Average rainfall days in September
Bertrand, NE

Average rainfall days in September - Bertrand, NE
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (2.1 days).

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Average snowfall in September
Bertrand, NE

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

The month with the highest snowfall is December (2.28").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Bertrand, NE

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

The month with the highest number of snowfall days is February (6.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 8.8h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days in September
Bertrand, NE

Average sunshine days in September - Bertrand, NE
  • Average sunshine days in September: 16.7 days

Months with the most sunshine days are January and November (23.8 days).
The month with the least sunshine days is July (12.7 days).

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Average UV index in September
Bertrand, NE

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Bertrand, NE

Average cloud cover in September - Bertrand, NE
  • Average cloud cover in September: 24

The month with the most cloud cover is February (Cloud cover 39).
Months with the least cloud cover are June, July and September (Cloud cover 24).

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Average visibility in September
Bertrand, NE

Average visibility in September - Bertrand, 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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