September weather forecast
Beaver, IA

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Weather in September

September, the first month of the autumn in Beaver, is still a warm month, with an average temperature varying between 74.8°F (23.8°C) and 55.9°F (13.3°C).

Temperature

With the arrival of September, Beaver notices a mild change in the average high-temperature, sliding from August's warm 80.2°F (26.8°C) to a still moderately hot 74.8°F (23.8°C). An average low-temperature of 55.9°F (13.3°C) is anticipated throughout the nights during September.

Humidity

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

Rainfall

In September, the rain falls for 11.6 days. Throughout September, 3.03" (77mm) of precipitation is accumulated. In Beaver, during the entire year, the rain falls for 126.1 days and collects up to 26.85" (682mm) of precipitation.

Snowfall

In Beaver, Iowa, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:49 pm. On the last day of September, in Beaver, sunrise is at 7:13 am and sunset at 6:59 pm CDT.

Sunshine

In Beaver, 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 vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

What are September temperatures?

The high-temperature, in September, in Beaver, records 74.8°F (23.8°C), while the low-temperature is 55.9°F (13.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised 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 Beaver in September?

In September, the rain falls for 11.6 days. Throughout September, 3.03" (77mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in Beaver in September?

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

How many hours of daylight does Beaver have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:42 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:59 pm CDT.

How many hours of sunshine does Beaver have in September?

In September, the average sunshine duration is 9.2h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents 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
Beaver, IA

Average temperature in September - Beaver, IA
  • Average high temperature in September: 74.8°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 (26.8°F).

  • Average low temperature in September: 55.9°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 (13.5°F).

Average pressure in September
Beaver, IA

Average pressure in September - Beaver, 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
Beaver, IA

Average wind speed in September - Beaver, IA
  • Average wind speed in September: 8.2mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).

Average humidity in September
Beaver, IA

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

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

Average rainfall in September
Beaver, IA

Average rainfall in September - Beaver, IA
  • Average rainfall in September: 3.03"

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in September
Beaver, IA

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

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in September
Beaver, IA

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

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

Average snowfall days in September
Beaver, IA

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

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Beaver, 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 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Beaver, IA

Average sunshine days in September - Beaver, IA
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in September
Beaver, IA

Average UV index in September - Beaver, 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
Beaver, IA

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

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).

Average visibility in September
Beaver, IA

Average visibility in September - Beaver, 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).

Beaver, Iowa, USA

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