September weather forecast
Oneida, IL

Share

Weather in September

The first month of the autumn, September, is still a warm month in Oneida, Illinois, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 75.6°F (24.2°C).

Temperature

September commences with an average high-temperature of a still moderately hot 75.6°F (24.2°C), showing little deviation from August's 80.6°F (27°C). The temperature dips to an average of 56.3°F (13.5°C) during September nights.

Humidity

In Oneida, the average relative humidity in September is 76%.

Rainfall

In September, in Oneida, the rain falls for 8.7 days. Throughout September, 1.02" (26mm) of precipitation is accumulated. In Oneida, Illinois, during the entire year, the rain falls for 109.9 days and collects up to 11.14" (283mm) of precipitation.

Snowfall

In Oneida, Illinois, snow does not fall in May through September.

Daylight

In Oneida, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:33 pm. On the last day of September, in Oneida, Illinois, sunrise is at 6:57 am and sunset at 6:43 pm CDT.

Sunshine

In September, the average sunshine in Oneida 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 ordinary person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
[Resources]

Frequently asked questions

What is the temperature in September in Oneida?

The high-temperature, in September, in Oneida, is 75.6°F (24.2°C), while the low-temperature averages to 56.3°F (13.5°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in September in Oneida?

In Oneida, the average relative humidity in September is 76%.

How much does it rain in Oneida in September?

In Oneida, Illinois, during September, the rain falls for 8.7 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When it does not snow in Oneida?

In Oneida, Illinois, snow does not fall in May through September.

Does it snow in Oneida in September?

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

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

In Oneida, Illinois, the average day length in September is 12h and 27min.

When are sunrise and sunset in September in Oneida?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:33 pm. On the last day of the month, in Oneida, Illinois, sunrise is at 6:57 am and sunset at 6:43 pm CDT.

How long on average sun shines in September in Oneida?

In September, the average sunshine duration is 9.2h.

What is the UV index reading in September in Oneida?

In Oneida, the average daily maximum UV index in September is 4. A UV Index value 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
Oneida, IL

Average temperature in September - Oneida, IL
  • Average high temperature in September: 75.6°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

[Resources]

Average pressure in September
Oneida, IL

Average pressure in September - Oneida, IL
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in September
Oneida, IL

Average wind speed in September - Oneida, IL
  • Average wind speed in September: 7.9mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

[Resources]

Average humidity in September
Oneida, IL

Average humidity in September - Oneida, IL
  • Average humidity in September: 76%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in September
Oneida, IL

Average rainfall in September - Oneida, IL
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are January and December (0.47").

[Resources]

Average rainfall days in September
Oneida, IL

Average rainfall days in September - Oneida, IL
  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (3.9 days).

[Resources]

Average snowfall in September
Oneida, IL

Average snowfall in September - Oneida, IL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in September
Oneida, IL

Average snowfall days in September - Oneida, IL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Oneida, IL

Average daylight in September / Average sunshine in September - Oneida, IL
  • 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 18min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

[Resources]

Average sunshine days in September
Oneida, IL

Average sunshine days in September - Oneida, IL
  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (12.4 days).

[Resources]

Average UV index in September
Oneida, IL

Average UV index in September - Oneida, IL
  • 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 December (UV index 1).

[Resources]

Average cloud cover in September
Oneida, IL

Average cloud cover in September - Oneida, IL
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).

[Resources]

Average visibility in September
Oneida, IL

Average visibility in September - Oneida, IL
  • Average visibility in September: 6mi

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

[Resources]

Oneida, Illinois, USA

Weather forecast for your location

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