September weather forecast
Wever, IA

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Weather in September

September, the first month of the autumn in Wever, is also a moderately hot month, with an average temperature varying between 77°F (25°C) and 57.4°F (14.1°C).

Temperature

Wever marks the arrival of September with an average high-temperature of a still moderately hot 77°F (25°C), hardly different from August's 82.2°F (27.9°C). In September, in Wever, the average low-temperature is a refreshing 57.4°F (14.1°C).

Humidity

In Wever, the average relative humidity in September is 74%.

Rainfall

In Wever, in September, during 8.2 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in Wever, there are 101.8 rainfall days, and 9.92" (252mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Wever, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:48 pm CDT.

Sunshine

In Wever, the average sunshine in September is 9.6h.

UV index

In Wever, Iowa, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Wever?

Wever in September has an average high-temperature of 77°F (25°C) and an average low-temperature of 57.4°F (14.1°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in September in Wever?

The average relative humidity in September in Wever is 74%.

How much does it rain in Wever in September?

In Wever, Iowa, in September, it is raining for 8.2 days, with typically 0.83" (21mm) of accumulated precipitation.

When it does not snow in Wever?

May through September are months without snowfall.

Does it snow in Wever in September?

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

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

In Wever, Iowa, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September in Wever?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, in Wever, sunrise is at 7:01 am and sunset at 6:48 pm CDT.

How long on average sun shines in September in Wever?

In September, the average sunshine duration in Wever is 9.6h.

How high is the UV index in September in Wever?

The average daily maximum UV index in September in Wever is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Wever, IA

Average temperature in September - Wever, IA
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in September
Wever, IA

Average pressure in September - Wever, 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 (29.9"Hg).

Average wind speed in September
Wever, IA

Average wind speed in September - Wever, IA
  • Average wind speed in September: 7.7mph

The windiest months (with the highest average wind speed) are January, February, March and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

Average humidity in September
Wever, IA

Average humidity in September - Wever, IA
  • Average humidity in September: 74%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Wever, IA

Average rainfall in September - Wever, IA
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January and December (0.47").

Average rainfall days in September
Wever, IA

Average rainfall days in September - Wever, IA
  • Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.5 days).

Average snowfall in September
Wever, IA

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

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Wever, IA

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

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Wever, IA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 4min

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 18min).

Average sunshine days in September
Wever, IA

Average sunshine days in September - Wever, IA
  • Average sunshine days in September: 19.4 days

The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (14 days).

Average UV index in September
Wever, IA

Average UV index in September - Wever, IA
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Wever, IA

Average cloud cover in September - Wever, IA
  • Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 28).

Average visibility in September
Wever, IA

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

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

Wever, Iowa, USA

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