September weather forecast
Cortland, NE

Share

Weather in September

September, the first month of the autumn in Cortland, is still a warm month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 77.9°F (25.5°C).

Temperature

A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 84.6°F (29.2°C) in August to a still warm 77.9°F (25.5°C). Nighttime temperature experiences an average drop to a refreshing 57.7°F (14.3°C) in September.

Humidity

In September, the average relative humidity is 69%.

Rainfall

In September, in Cortland, Nebraska, the rain falls for 12.2 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 115.2 rainfall days, and 22.56" (573mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Cortland, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:54 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:10 pm CDT.

Sunshine

In September, the average sunshine in Cortland is 8.7h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
[Resources]

Frequently asked questions

What is the average September temperature in Cortland?

During September, Cortland experiences an average high-temperature of 77.9°F (25.5°C) and a low-temperature of 57.7°F (14.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 93.2°F (34°C).

What is the average humidity in September in Cortland?

In Cortland, the average relative humidity in September is 69%.

How much does it rain in Cortland in September?

In Cortland, Nebraska, in September, it is raining for 12.2 days, with typically 1.81" (46mm) of accumulated precipitation.

When it does not snow in Cortland?

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

Does it snow in Cortland in September?

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

How many hours of daylight does Cortland have in September?

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

When is the sunrise / sunset in September in Cortland?

On the first day of September in Cortland, Nebraska, sunrise is at 6:54 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:10 pm CDT.

How long on average sun shines in September in Cortland?

In September, the average sunshine duration in Cortland is 8.7h.

What is the UV index intensity in September in Cortland?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes 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
Cortland, NE

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

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

[Resources]

Average pressure in September
Cortland, NE

Average pressure in September - Cortland, NE
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

[Resources]

Average wind speed in September
Cortland, NE

Average wind speed in September - Cortland, NE
  • Average wind speed in September: 9.1mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

[Resources]

Average humidity in September
Cortland, NE

Average humidity in September - Cortland, NE
  • Average humidity in September: 69%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (64%).

[Resources]

Average rainfall in September
Cortland, NE

Average rainfall in September - Cortland, NE
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").

[Resources]

Average rainfall days in September
Cortland, NE

Average rainfall days in September - Cortland, NE
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (2.8 days).

[Resources]

Average snowfall in September
Cortland, NE

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

The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Cortland, NE

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

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Cortland, NE
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

[Resources]

Average sunshine days in September
Cortland, NE

Average sunshine days in September - Cortland, NE
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is May (12.3 days).

[Resources]

Average UV index in September
Cortland, NE

Average UV index in September - Cortland, 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).

[Resources]

Average cloud cover in September
Cortland, NE

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

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).

[Resources]

Average visibility in September
Cortland, NE

Average visibility in September - Cortland, 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).

[Resources]

Cortland, Nebraska, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location