September weather forecast
Matlock, IA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Matlock, Iowa, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 73.6°F (23.1°C).

Temperature

As August makes way for September, Matlock's average high-temperature eases from 79.3°F (26.3°C) to a still warm 73.6°F (23.1°C). In Matlock, the average low-temperature during the month of September is a cool 53.8°F (12.1°C).

Humidity

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

Rainfall

In September, in Matlock, the rain falls for 11.9 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. Throughout the year, in Matlock, Iowa, there are 128.1 rainfall days, and 24.17" (614mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of the month, sunrise is at 6:48 am and sunset at 7:58 pm. On the last day of September, in Matlock, Iowa, sunrise is at 7:20 am and sunset at 7:06 pm CDT.

Sunshine

In September, the average sunshine is 9h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What is the average September temperature in Matlock?

In September, the average high-temperature and low-temperature in Matlock are 73.6°F (23.1°C) and 53.8°F (12.1°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in September in Matlock?

The average relative humidity in September is 72%.

How much does it rain in Matlock in September?

In Matlock, in September, it is raining for 11.9 days, with typically 2.17" (55mm) of accumulated precipitation.

When it does not snow in Matlock?

June through September are months without snowfall in Matlock, Iowa.

Does it snow in Matlock in September?

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

How many hours of daylight does Matlock have in September?

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

When are sunrise and sunset in September in Matlock?

On the first day of September in Matlock, sunrise is at 6:48 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:06 pm CDT.

How long on average sun shines in September in Matlock?

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

What is the UV index intensity in September in Matlock?

The average daily maximum UV index in September in Matlock, Iowa, is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Matlock, IA

Average temperature in September - Matlock, IA
  • Average high temperature in September: 73.6°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 (23.4°F).

  • Average low temperature in September: 53.8°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

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Average pressure in September
Matlock, IA

Average pressure in September - Matlock, 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 (29.87"Hg).

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Average wind speed in September
Matlock, IA

Average wind speed in September - Matlock, 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).

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Average humidity in September
Matlock, IA

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

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in September
Matlock, IA

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

The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in September
Matlock, IA

Average rainfall days in September - Matlock, IA
  • Average rainfall days in September: 11.9 days

The months with the highest number of rainy days are May and June (17.8 days).
The month with the least rainy days is February (2.6 days).

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Average snowfall in September
Matlock, IA

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

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Matlock, IA

Average snowfall days in September - Matlock, 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).

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

Average daylight in September / Average sunshine in September - Matlock, 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 0min).

  • Average sunshine in September: 9h and 0min

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 6min).

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Average sunshine days in September
Matlock, IA

Average sunshine days in September - Matlock, IA
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (9.6 days).

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Average UV index in September
Matlock, IA

Average UV index in September - Matlock, 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 and February (UV index 1).

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Average cloud cover in September
Matlock, IA

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

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in September
Matlock, IA

Average visibility in September - Matlock, 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).

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Matlock, Iowa, USA

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