September weather forecast
Little Cedar, IA

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Weather in September

September, the first month of the autumn in Little Cedar, is still a pleasant month, with an average temperature ranging between min 52.9°F (11.6°C) and max 71.4°F (21.9°C).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of a warm 76.8°F (24.9°C) in August to a pleasant 71.4°F (21.9°C). During September, the average low-temperature is a fresh 52.9°F (11.6°C).

Humidity

In Little Cedar, the average relative humidity in September is 79%.

Rainfall

In Little Cedar, in September, during 12.1 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Little Cedar, during the entire year, the rain falls for 135.3 days and collects up to 26.54" (674mm) of precipitation.

Snowfall

In Little Cedar, Iowa, snow does not fall in June through September.

Daylight

The average length of the day in September in Little Cedar is 12h and 29min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:53 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

In Little Cedar, Iowa, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Little Cedar in September?

In Little Cedar, in September, the average high-temperature is 71.4°F (21.9°C), and the average low-temperature is 52.9°F (11.6°C).

What is the average humidity in September in Little Cedar?

In Little Cedar, the average relative humidity in September is 79%.

How many days does it rain in September in Little Cedar?

In Little Cedar, Iowa, during September, the rain falls for 12.1 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow in Little Cedar?

June through September are months without snowfall in Little Cedar, Iowa.

Does it snow in Little Cedar in September?

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

What is the average length of the day in September in Little Cedar?

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

When are sunrise and sunset in September in Little Cedar?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:45 pm. On the last day of the month, in Little Cedar, sunrise is at 7:08 am and sunset at 6:53 pm CDT.

How many hours of sunshine does Little Cedar have in September?

The average sunshine duration in September in Little Cedar, Iowa, is 8.9h.

What is the UV index reading in September in Little Cedar?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Little Cedar, IA

Average temperature in September - Little Cedar, IA
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in September: 52.9°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average pressure in September
Little Cedar, IA

Average pressure in September - Little Cedar, IA
  • Average pressure in September: 30.01"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Little Cedar, IA

Average wind speed in September - Little Cedar, IA
  • Average wind speed in September: 8.5mph

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 (7.3mph).

Average humidity in September
Little Cedar, IA

Average humidity in September - Little Cedar, IA
  • Average humidity in September: 79%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Little Cedar, IA

Average rainfall in September - Little Cedar, IA
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in September
Little Cedar, IA

Average rainfall days in September - Little Cedar, IA
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is June (19.2 days).
The month with the least rainy days is February (3 days).

Average snowfall in September
Little Cedar, IA

Average snowfall in September - Little Cedar, IA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (6.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Little Cedar, IA

Average snowfall days in September - Little Cedar, IA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Little Cedar, IA

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Little Cedar, IA

Average sunshine days in September - Little Cedar, IA
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.5 days).

Average UV index in September
Little Cedar, IA

Average UV index in September - Little Cedar, 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, November and December (UV index 1).

Average cloud cover in September
Little Cedar, IA

Average cloud cover in September - Little Cedar, IA
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Little Cedar, IA

Average visibility in September - Little Cedar, IA
  • Average visibility in September: 6mi

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

Little Cedar, Iowa, USA

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