September weather forecast
Reasnor, IA

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Weather in September

September, the first month of the autumn in Reasnor, is still a warm month, with an average temperature ranging between max 75.7°F (24.3°C) and min 55.9°F (13.3°C).

Temperature

Reasnor's weather subtly changes with the onset of September, barely falling from 81.1°F (27.3°C) in August to a still warm 75.7°F (24.3°C). During the month of September, Reasnor experiences a steady low-temperature average of 55.9°F (13.3°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

In Reasnor, in September, during 12.7 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 137 rainfall days, and 28.62" (727mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Reasnor, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:38 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:54 pm CDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Reasnor, records 75.7°F (24.3°C), while the low-temperature is 55.9°F (13.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

What is the average humidity in September?

In Reasnor, the average relative humidity in September is 77%.

How much does it rain in September?

In September, the rain falls for 12.7 days. Throughout September, 2.99" (76mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in September?

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

What is the average length of the day in September in Reasnor?

In Reasnor, the average day length in September is 12h and 28min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:38 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:54 pm CDT.

How long on average sun shines in September?

In Reasnor, the average sunshine duration in September is 9.3h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from 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
Reasnor, IA

Average temperature in September - Reasnor, IA
  • Average high temperature in September: 75.7°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in September: 55.9°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).

Average pressure in September
Reasnor, IA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in September
Reasnor, IA

Average wind speed in September - Reasnor, IA
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in September
Reasnor, IA

Average humidity in September - Reasnor, IA
  • Average humidity in September: 77%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Reasnor, IA

Average rainfall in September - Reasnor, IA
  • Average rainfall in September: 2.99"

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in September
Reasnor, IA

Average rainfall days in September - Reasnor, IA
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (3.9 days).

Average snowfall in September
Reasnor, IA

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

The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Reasnor, IA

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

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Reasnor, IA

Average sunshine days in September - Reasnor, IA
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in September
Reasnor, IA

Average UV index in September - Reasnor, 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 January (UV index 1).

Average cloud cover in September
Reasnor, IA

Average cloud cover in September - Reasnor, 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 September (Cloud cover 30).

Average visibility in September
Reasnor, IA

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

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

Reasnor, Iowa, USA

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