September weather forecast
Scranton, IA

Share

Weather in September

September, the first month of the autumn in Scranton, is also a moderately hot month, with an average temperature ranging between max 74.8°F (23.8°C) and min 55.8°F (13.2°C).

Temperature

The shift from August to September is characterized by an average high-temperature of a still moderately hot 74.8°F (23.8°C), not significantly different from the 80.1°F (26.7°C) of August. The average temperature drops to a refreshing 55.8°F (13.2°C) during the night in the month of September.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Scranton, in September, it is raining for 11.2 days, with typically 2.91" (74mm) of accumulated precipitation. In Scranton, during the entire year, the rain falls for 125.7 days and collects up to 26.5" (673mm) of precipitation.

Snowfall

In Scranton, 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 6:44 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:00 pm CDT.

Sunshine

In Scranton, the average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index in Scranton is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What is the average September temperature?

The high-temperature, in September, in Scranton, is 74.8°F (23.8°C), while the low-temperature averages to 55.8°F (13.2°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 89.6°F (32°C).

What is the average humidity in September in Scranton?

The average relative humidity in September is 75%.

How many days does it rain in September?

In Scranton, in September, it is raining for 11.2 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day 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 6:44 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:00 pm CDT.

How long on average sun shines in September?

In Scranton, 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 estimate of 3 to 5 represents 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
Scranton, IA

Average temperature in September - Scranton, IA
  • Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in September
Scranton, IA

Average pressure in September - Scranton, 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
Scranton, IA

Average wind speed in September - Scranton, IA
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in September
Scranton, IA

Average humidity in September - Scranton, 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
Scranton, IA

Average rainfall in September - Scranton, IA
  • Average rainfall in September: 2.91"

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in September
Scranton, IA

Average rainfall days in September - Scranton, IA
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in September
Scranton, IA

Average snowfall in September - Scranton, 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
Scranton, IA

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

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Scranton, 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 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 12min).

Average sunshine days in September
Scranton, IA

Average sunshine days in September - Scranton, IA
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in September
Scranton, IA

Average UV index in September - Scranton, 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
Scranton, IA

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

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).

Average visibility in September
Scranton, IA

Average visibility in September - Scranton, 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).

Scranton, Iowa, USA

Weather forecast for your location

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