September weather forecast
Lanesboro, IA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Lanesboro, Iowa, with an average temperature ranging between max 74.7°F (23.7°C) and min 55.8°F (13.2°C).

Temperature

The weather during September records an average high-temperature of a still warm 74.7°F (23.7°C), closely mirroring the preceding month. Nighttime temperature in Lanesboro dips to a mean of 55.8°F (13.2°C) during September.

Humidity

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

Rainfall

In Lanesboro, during September, the rain falls for 10.9 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Lanesboro, during the entire year, the rain falls for 130.1 days and collects up to 27.28" (693mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:44 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:01 pm CDT.

Sunshine

In Lanesboro, the average sunshine in September is 9.2h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 4 during September translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Lanesboro?

Lanesboro in September has an average high-temperature of 74.7°F (23.7°C) and an average low-temperature of 55.8°F (13.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in July is estimated at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

How much does it rain in September?

In Lanesboro, during September, the rain falls for 10.9 days and regularly aggregates up to 2.72" (69mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Lanesboro have in September?

The average day length in September is 12h and 28min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:01 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.2h.

What is the UV index intensity in September?

The average daily maximum UV index in September in Lanesboro is 4. A UV Index of 3 to 5 symbolizes 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
Lanesboro, IA

Average temperature in September - Lanesboro, IA
  • Average high temperature in September: 74.7°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in September
Lanesboro, IA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Lanesboro, IA

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

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in September
Lanesboro, IA

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

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).

Average rainfall in September
Lanesboro, IA

Average rainfall in September - Lanesboro, IA
  • Average rainfall in September: 2.72"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in September
Lanesboro, IA

Average rainfall days in September - Lanesboro, IA
  • Average rainfall days in September: 10.9 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in September
Lanesboro, IA

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

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Lanesboro, IA

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

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Lanesboro, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in September
Lanesboro, IA

Average sunshine days in September - Lanesboro, IA
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10 days).

Average UV index in September
Lanesboro, IA

Average UV index in September - Lanesboro, IA
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in September
Lanesboro, IA

Average cloud cover in September - Lanesboro, IA
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
Lanesboro, IA

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

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

Lanesboro, Iowa, USA

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