September weather forecast
Garden City, IA

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Weather in September

September, the first month of the autumn in Garden City, is still a warm month, with an average temperature varying between 74.3°F (23.5°C) and 55.4°F (13°C).

Temperature

As September takes its course, Garden City's average high-temperature registers at a still moderately hot 74.3°F (23.5°C), closely aligning with the preceding month. Throughout September, Garden City witnesses a nighttime temperature average of 55.4°F (13°C).

Humidity

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

Rainfall

In Garden City, Iowa, in September, it is raining for 12.4 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, there are 143.3 rainfall days, and 29.25" (743mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Garden City, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:39 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:56 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

During September, Garden City experiences an average high-temperature of 74.3°F (23.5°C) and a low-temperature of 55.4°F (13°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in July is calculated to be 87.8°F (31°C).

What is the average humidity in September?

In Garden City, the average relative humidity in September is 76%.

How many days does it rain in September in Garden City?

In September, the rain falls for 12.4 days. Throughout September, 2.99" (76mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:39 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:56 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.3h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Garden City, IA

Average temperature in September - Garden City, IA
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in September
Garden City, IA

Average pressure in September - Garden City, IA
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Garden City, IA

Average wind speed in September - Garden City, IA
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in September
Garden City, IA

Average humidity in September - Garden City, IA
  • Average humidity in September: 76%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Garden City, IA

Average rainfall in September - Garden City, IA
  • Average rainfall in September: 2.99"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in September
Garden City, IA

Average rainfall days in September - Garden City, IA
  • Average rainfall days in September: 12.4 days

The months with the highest number of rainy days are May and June (19.2 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in September
Garden City, IA

Average snowfall in September - Garden City, IA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Garden City, IA

Average snowfall days in September - Garden City, IA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Garden City, IA

Average daylight in September / Average sunshine in September - Garden City, IA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • 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: 3h and 54min).

Average sunshine days in September
Garden City, IA

Average sunshine days in September - Garden City, IA
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).

Average UV index in September
Garden City, IA

Average UV index in September - Garden City, IA
  • Average UV index in September: 4

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

Average cloud cover in September
Garden City, IA

Average cloud cover in September - Garden City, IA
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in September
Garden City, IA

Average visibility in September - Garden City, IA
  • Average visibility in September: 6mi

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

Garden City, Iowa, USA

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