September weather forecast
Wolf, IA

englishespañol中文
Share

Weather in September

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

Temperature

September is characterized by a mild reduction in the average high-temperature, from 80.2°F (26.8°C) in August to a still moderately hot 74.8°F (23.8°C). The average nighttime temperature lowers to a refreshing 55.9°F (13.3°C) throughout September.

Humidity

The average relative humidity in September is 75%.

Rainfall

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

Snowfall

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

Daylight

In Wolf, the average length of the day in September is 12h and 28min.
On the first day of September in Wolf, Iowa, sunrise is at 6:42 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:58 pm CDT.

Sunshine

In Wolf, the average sunshine in September is 9.2h.

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 unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 4 during September translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What are September temperatures?

During September, Wolf experiences an average high-temperature of 74.8°F (23.8°C) and a low-temperature of 55.9°F (13.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is calculated to be 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

How much does it rain in September?

In Wolf, Iowa, in September, it is raining for 11.6 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Wolf have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:58 pm CDT.

How long on average sun shines in September?

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

How high is the UV index 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
Wolf, IA

Average temperature in September - Wolf, 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
Wolf, IA

Average pressure in September - Wolf, 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
Wolf, IA

Average wind speed in September - Wolf, 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
Wolf, IA

Average humidity in September - Wolf, 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
Wolf, IA

Average rainfall in September - Wolf, 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
Wolf, IA

Average rainfall days in September - Wolf, 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
Wolf, IA

Average snowfall in September - Wolf, 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
Wolf, IA

Average snowfall days in September - Wolf, 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
Wolf, IA

Average daylight in September / Average sunshine in September - Wolf, 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
Wolf, IA

Average sunshine days in September - Wolf, 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
Wolf, IA

Average UV index in September - Wolf, 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
Wolf, IA

Average cloud cover in September - Wolf, 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
Wolf, IA

Average visibility in September - Wolf, 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).

Wolf, Iowa, USA

Weather forecast for your location

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