September weather forecast
Carmel, IA

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Carmel, Iowa, with an average temperature varying between 74.5°F (23.6°C) and 54.1°F (12.3°C).

Temperature

As August transitions into September, Carmel sees a gentle drop in the average high-temperature, transitioning from 80.2°F (26.8°C) to a still moderately hot 74.5°F (23.6°C). In Carmel, September's nights observe an average temperature dip to a cool 54.1°F (12.3°C).

Humidity

In Carmel, the average relative humidity in September is 72%.

Rainfall

In Carmel, Iowa, during September, the rain falls for 11 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Carmel, during the entire year, the rain falls for 120.4 days and collects up to 21.57" (548mm) of precipitation.

Snowfall

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

Daylight

In Carmel, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:50 am and sunset at 7:59 pm. On the last day of September, in Carmel, sunrise is at 7:22 am and sunset at 7:07 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What are September temperatures?

An average high-temperature, in September, in Carmel, is 74.5°F (23.6°C) and the average low-temperature is 54.1°F (12.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 72%.

How many days does it rain in September in Carmel?

In September, in Carmel, Iowa, the rain falls for 11 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:50 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:07 pm CDT.

How many hours of sunshine does Carmel have in September?

The average sunshine duration in September in Carmel is 8.9h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Carmel, IA

Average temperature in September - Carmel, IA
  • Average high temperature in September: 74.5°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 (24.1°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).

Average pressure in September
Carmel, IA

Average pressure in September - Carmel, IA
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in September
Carmel, IA

Average wind speed in September - Carmel, IA
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

Average humidity in September
Carmel, IA

Average humidity in September - Carmel, IA
  • Average humidity in September: 72%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (67%).

Average rainfall in September
Carmel, IA

Average rainfall in September - Carmel, IA
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in September
Carmel, IA

Average rainfall days in September - Carmel, IA
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in September
Carmel, IA

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

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Carmel, IA

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

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Carmel, IA

Average sunshine days in September - Carmel, IA
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in September
Carmel, IA

Average UV index in September - Carmel, 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
Carmel, IA

Average cloud cover in September - Carmel, 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 27).

Average visibility in September
Carmel, IA

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

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

Carmel, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location