September weather forecast
Orange City, IA

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Weather in September

September carries the first signs of fall to Orange City, Iowa, offering temperate weather and an abundance of natural beauty. Notably, the temperature drops to a range of 54.5°F (12.5°C) to 74.3°F (23.5°C), making it noticeably cooler than August. The weather remains dry most of the time, allowing residents to enjoy the outdoors without any rainfall interruptions. As the leaves begin to change color, the city transforms into an artist's palette of dazzling hues. The reduced daylight hours and the crisp morning air herald the onset of autumn.

Temperature

Orange City's weather subtly changes with the onset of September, barely falling from a moderately hot 80.2°F (26.8°C) in August to a still warm 74.3°F (23.5°C). In Orange City, the average nighttime temperature during September is a fresh 54.5°F (12.5°C).

Humidity

In Orange City, the average relative humidity in September is 72%.

Rainfall

In Orange City, in September, during 11.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 124 rainfall days, and 24.09" (612mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Orange City, the average length of the day in September is 12h and 29min.
On the first day of September in Orange City, sunrise is at 6:49 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:06 pm CDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Orange City in September?

The high-temperature, in September, in Orange City, records 74.3°F (23.5°C), while the low-temperature is 54.5°F (12.5°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in September in Orange City?

In September, the average relative humidity is 72%.

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

In Orange City, in September, it is raining for 11.3 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Orange City?

In Orange City, snow does not fall in June through September.

Does it snow in Orange City in September?

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

What is the average length of the day in September in Orange City?

In September, the average day length in Orange City, Iowa, is 12h and 29min.

What time are sunrise and sunset in September in Orange City?

In September, on the first day of the month, sunrise is at 6:49 am and sunset at 7:58 pm. On the last day of the month, in Orange City, sunrise is at 7:21 am and sunset at 7:06 pm CDT.

How long on average sun shines in September in Orange City?

In Orange City, Iowa, the average sunshine duration in September is 8.8h.

How high is the UV index in September in Orange City?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents 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
Orange City, IA

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

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in September
Orange City, IA

Average pressure in September - Orange City, IA
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in September
Orange City, IA

Average wind speed in September - Orange City, IA
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

Average humidity in September
Orange City, IA

Average humidity in September - Orange City, IA
  • Average humidity in September: 72%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (67%).

Average rainfall in September
Orange City, IA

Average rainfall in September - Orange City, IA
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in September
Orange City, IA

Average rainfall days in September - Orange City, IA
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in September
Orange City, IA

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

The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Orange City, IA

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

The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Orange City, IA
  • 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 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Orange City, IA

Average sunshine days in September - Orange City, IA
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in September
Orange City, IA

Average UV index in September - Orange 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 and December (UV index 1).

Average cloud cover in September
Orange City, IA

Average cloud cover in September - Orange City, IA
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
Orange City, IA

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

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

Orange City, Iowa, USA

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