September weather forecast
Eldora, IA

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Weather in September

September, the first month of the autumn in Eldora, is also a moderately hot month, with an average temperature varying between 54.5°F (12.5°C) and 73.8°F (23.2°C).

Temperature

The dawn of September sees an average high-temperature of a still moderately hot 73.8°F (23.2°C), subtly contrasting with August's 78.4°F (25.8°C). During September, Eldora experiences a consistent low-temperature average of 54.5°F (12.5°C).

Humidity

In Eldora, Iowa, the average relative humidity in September is 77%.

Rainfall

In Eldora, in September, during 8.1 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, there are 83.5 rainfall days, and 6.5" (165mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Eldora, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:38 am and sunset at 7:45 pm. On the last day of September, in Eldora, Iowa, sunrise is at 7:09 am and sunset at 6:55 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In September, the average daily maximum UV index in Eldora is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Eldora in September?

The high-temperature during September is 73.8°F (23.2°C) and the low-temperature is 54.5°F (12.5°C).

What is the average humidity in September in Eldora?

In September, the average relative humidity is 77%.

How many days does it rain in September in Eldora?

In September, in Eldora, the rain falls for 8.1 days. Throughout September, 0.51" (13mm) of precipitation is accumulated.

When it does not snow in Eldora?

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

Does it snow in Eldora in September?

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

How many hours of daylight does Eldora have in September?

In Eldora, Iowa, the average day length in September is 12h and 28min.

When are sunrise and sunset in September in Eldora?

In September, on the first day of the month, sunrise is at 6:38 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:55 pm CDT.

How long on average sun shines in September in Eldora?

The average sunshine duration in September is 9.3h.

What is the UV index intensity in September in Eldora?

In Eldora, Iowa, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe 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
Eldora, IA

Average temperature in September - Eldora, IA
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.4°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure in September
Eldora, IA

Average pressure in September - Eldora, 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 (29.89"Hg).

Average wind speed in September
Eldora, IA

Average wind speed in September - Eldora, IA
  • Average wind speed in September: 8.4mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in September
Eldora, IA

Average humidity in September - Eldora, IA
  • Average humidity in September: 77%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Eldora, IA

Average rainfall in September - Eldora, IA
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is May (1.06").
The driest months (with the least rainfall) are January and February (0.24").

Average rainfall days in September
Eldora, IA

Average rainfall days in September - Eldora, IA
  • Average rainfall days in September: 8.1 days

The month with the highest number of rainy days is May (11.6 days).
The months with the least rainy days are January and February (2 days).

Average snowfall in September
Eldora, IA

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

The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Eldora, IA

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

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Eldora, IA

Average daylight in September / Average sunshine in September - Eldora, 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 6min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Eldora, IA

Average sunshine days in September - Eldora, IA
  • Average sunshine days in September: 20.3 days

The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is June (15.8 days).

Average UV index in September
Eldora, IA

Average UV index in September - Eldora, 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
Eldora, IA

Average cloud cover in September - Eldora, IA
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in September
Eldora, IA

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

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

Eldora, Iowa, USA

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