September weather forecast
Salina, IA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Salina, Iowa, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 76.1°F (24.5°C).

Temperature

The commencement of September indicates a gentle shift in the average high-temperature, receding from August's 81.5°F (27.5°C) to a still warm 76.1°F (24.5°C). An average low-temperature of 56.3°F (13.5°C) is recorded in the month of September.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Salina, during September, the rain falls for 12.1 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, there are 135.6 rainfall days, and 28.66" (728mm) of precipitation is accumulated.

Snowfall

In Salina, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:50 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In Salina, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 suggests this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What are the temperatures in Salina in September?

Salina in September has an average high-temperature of 76.1°F (24.5°C) and an average low-temperature of 56.3°F (13.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in September in Salina?

In September, the average relative humidity in Salina, Iowa, is 76%.

How much does it rain in Salina in September?

In September, in Salina, Iowa, the rain falls for 12.1 days. Throughout September, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Salina?

In Salina, snow does not fall in May through September.

Does it snow in Salina in September?

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

How many hours of daylight does Salina have in September?

In September, the average day length in Salina, Iowa, is 12h and 27min.

When is the sunrise / sunset in September in Salina?

On the first day of September, sunrise is at 6:34 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:50 pm CDT.

How long on average sun shines in September in Salina?

In Salina, the average sunshine duration in September is 9.3h.

How high is the UV index in September in Salina?

The average daily maximum UV index in September in Salina, Iowa, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Salina, IA

Average temperature in September - Salina, IA
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in September
Salina, IA

Average pressure in September - Salina, IA
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Salina, IA

Average wind speed in September - Salina, IA
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in September
Salina, IA

Average humidity in September - Salina, IA
  • Average humidity in September: 76%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Salina, IA

Average rainfall in September - Salina, IA
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.18").

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Average rainfall days in September
Salina, IA

Average rainfall days in September - Salina, IA
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in September
Salina, IA

Average snowfall in September - Salina, IA
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (4.33").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Salina, IA

Average snowfall days in September - Salina, IA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.3 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
Salina, IA

Average daylight in September / Average sunshine in September - Salina, IA
  • 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Salina, IA

Average sunshine days in September - Salina, IA
  • Average sunshine days in September: 16.5 days

The months with the most sunshine days are October and November (18.8 days).
The month with the least sunshine days is May (11 days).

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Average UV index in September
Salina, IA

Average UV index in September - Salina, IA
  • Average UV index in September: 4

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
Salina, IA

Average cloud cover in September - Salina, IA
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in September
Salina, IA

Average visibility in September - Salina, IA
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

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Salina, Iowa, USA

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