September weather forecast
Santee, NE

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Weather in September

September, the first month of the autumn in Santee, is also a moderately hot month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 76.1°F (24.5°C).

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 83.3°F (28.5°C) in August to a still moderately hot 76.1°F (24.5°C). Santee throughout September, records an average low-temperature of 55°F (12.8°C).

Humidity

In Santee, the average relative humidity in September is 67%.

Rainfall

In Santee, in September, it is raining for 11.6 days, with typically 1.81" (46mm) of accumulated precipitation. In Santee, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Santee is 12h and 29min.
On the first day of September, sunrise is at 6:56 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:13 pm CDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index in Santee is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What is the average September temperature in Santee?

The high-temperature, in September, in Santee, is 76.1°F (24.5°C), while the low-temperature averages to 55°F (12.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is appraised at 89.6°F (32°C).

What is the average humidity in September in Santee?

In Santee, Nebraska, the average relative humidity in September is 67%.

How much does it rain in Santee in September?

In Santee, Nebraska, during September, the rain falls for 11.6 days and regularly aggregates up to 1.81" (46mm) of precipitation.

When it does not snow in Santee?

June through September are months without snowfall in Santee.

Does it snow in Santee in September?

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

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

In September, the average day length in Santee is 12h and 29min.

What time are sunrise and sunset in September in Santee?

In September, on the first day of the month, sunrise is at 6:56 am and sunset at 8:05 pm. On the last day of the month, in Santee, Nebraska, sunrise is at 7:28 am and sunset at 7:13 pm CDT.

How many hours of sunshine does Santee have in September?

The average sunshine duration in September in Santee, Nebraska, is 8.8h.

What is the UV index intensity in September in Santee?

In Santee, Nebraska, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Santee, NE

Average temperature in September - Santee, NE
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure in September
Santee, NE

Average pressure in September - Santee, NE
  • Average pressure in September: 29.97"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).

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Average wind speed in September
Santee, NE

Average wind speed in September - Santee, NE
  • Average wind speed in September: 9.2mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

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Average humidity in September
Santee, NE

Average humidity in September - Santee, NE
  • Average humidity in September: 67%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).

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Average rainfall in September
Santee, NE

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

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").

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Average rainfall days in September
Santee, NE

Average rainfall days in September - Santee, NE
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in September
Santee, NE

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

The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Santee, NE

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

The month with the highest number of snowfall days is January (9.7 days).
The 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
Santee, NE

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

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

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in September
Santee, NE

Average sunshine days in September - Santee, NE
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).

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Average UV index in September
Santee, NE

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in September
Santee, NE

Average cloud cover in September - Santee, NE
  • Average cloud cover in September: 26

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in September
Santee, NE

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

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