September weather forecast
Baldwin, IA

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Weather in September

September, the first month of the autumn in Baldwin, is also a moderately hot month, with an average temperature ranging between min 54.5°F (12.5°C) and max 73.6°F (23.1°C).

Temperature

September's onset brings a negligible change in high-temperatures, falling from a warm 79.3°F (26.3°C) in August to a still moderately hot 73.6°F (23.1°C). Baldwin in September experiences a low-temperature average of 54.5°F (12.5°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Baldwin, in September, during 11.6 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Baldwin, during the entire year, the rain falls for 143.3 days and collects up to 29.76" (756mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Baldwin, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:46 pm CDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

In Baldwin, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Guard yourself - Avoiding sunburn is suggested. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the average September temperature in Baldwin?

In September, in Baldwin, the average high-temperature is 73.6°F (23.1°C), and the average low-temperature is 54.5°F (12.5°C).

What is the average humidity in September in Baldwin?

In September, the average relative humidity in Baldwin is 78%.

How many days does it rain in September in Baldwin?

In Baldwin, Iowa, during September, the rain falls for 11.6 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Baldwin?

In Baldwin, Iowa, snow does not fall in May through September.

Does it snow in Baldwin in September?

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

How many hours of daylight does Baldwin have in September?

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

When are sunrise and sunset in September in Baldwin?

On the first day of September in Baldwin, sunrise is at 6:29 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:46 pm CDT.

How many hours of sunshine does Baldwin have in September?

In September, the average sunshine duration in Baldwin is 9.2h.

What is the UV index intensity in September in Baldwin?

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

Average temperature in September - Baldwin, IA
  • Average high temperature in September: 73.6°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 (25.9°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in September
Baldwin, IA

Average pressure in September - Baldwin, IA
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Baldwin, IA

Average wind speed in September - Baldwin, IA
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in September
Baldwin, IA

Average humidity in September - Baldwin, IA
  • Average humidity in September: 78%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in September
Baldwin, IA

Average rainfall in September - Baldwin, IA
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days in September
Baldwin, IA

Average rainfall days in September - Baldwin, IA
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in September
Baldwin, IA

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

The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Baldwin, IA

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

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Baldwin, 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: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).

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Average sunshine days in September
Baldwin, IA

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

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.2 days).

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Average UV index in September
Baldwin, IA

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

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

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Average cloud cover in September
Baldwin, IA

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

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in September
Baldwin, IA

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

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

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Baldwin, Iowa, USA

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