September weather forecast
Ledyard, IA

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Weather in September

September, the first month of the autumn in Ledyard, is still a pleasant month, with an average temperature varying between 73°F (22.8°C) and 53.8°F (12.1°C).

Temperature

Ledyard greets September with an average high-temperature of a pleasant 73°F (22.8°C), marking a slight deviation from the preceding month. In the month of September, the temperature in Ledyard, Iowa, generally rests at an average low of 53.8°F (12.1°C).

Humidity

In Ledyard, the average relative humidity in September is 75%.

Rainfall

In Ledyard, in September, it is raining for 11.8 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 126.1 rainfall days, and 23.23" (590mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day in Ledyard, Iowa, is 12h and 29min.
On the first day of September, sunrise is at 6:41 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:58 pm CDT.

Sunshine

In Ledyard, Iowa, the average sunshine in September is 9h.

UV index

In Ledyard, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 4 during September leads to these advisories:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Ledyard?

An average high-temperature, in September, in Ledyard, is 73°F (22.8°C) and the average low-temperature is 53.8°F (12.1°C).

What is the average humidity in September in Ledyard?

In September, the average relative humidity in Ledyard, Iowa, is 75%.

How many days does it rain in September in Ledyard?

In Ledyard, Iowa, in September, during 11.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When it does not snow in Ledyard?

In Ledyard, snow does not fall in June through September.

Does it snow in Ledyard in September?

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

How many hours of daylight does Ledyard have in September?

In September, the average day length is 12h and 29min.

When is the sunrise / sunset in September in Ledyard?

On the first day of September, sunrise is at 6:41 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:58 pm CDT.

How many hours of sunshine does Ledyard have in September?

In September, the average sunshine duration in Ledyard, Iowa, is 9h.

What is the UV index reading in September in Ledyard?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Ledyard, IA

Average temperature in September - Ledyard, IA
  • Average high temperature in September: 73°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (21.9°F).

  • Average low temperature in September: 53.8°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average pressure in September
Ledyard, IA

Average pressure in September - Ledyard, IA
  • Average pressure in September: 30"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
Ledyard, IA

Average wind speed in September - Ledyard, IA
  • Average wind speed in September: 8.7mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).

Average humidity in September
Ledyard, IA

Average humidity in September - Ledyard, IA
  • Average humidity in September: 75%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Ledyard, IA

Average rainfall in September - Ledyard, IA
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.83").

Average rainfall days in September
Ledyard, IA

Average rainfall days in September - Ledyard, IA
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in September
Ledyard, IA

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

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Ledyard, IA

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

The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Ledyard, 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: 9h and 0min

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 30min).

Average sunshine days in September
Ledyard, IA

Average sunshine days in September - Ledyard, IA
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is June (9.7 days).

Average UV index in September
Ledyard, IA

Average UV index in September - Ledyard, 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 and November (UV index 1).

Average cloud cover in September
Ledyard, IA

Average cloud cover in September - Ledyard, IA
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in September
Ledyard, IA

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

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

Ledyard, Iowa, USA

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