September weather forecast
Kettering, OH

Share

Weather in September

The first month of the autumn, September, is still a warm month in Kettering, Ohio, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 75°F (23.9°C).

Temperature

Transitioning from August to September, Kettering observes an average high-temperature of a still warm 75°F (23.9°C), differing subtly from the previous month. Throughout the month of September, the average temperature dips to a moderate 57°F (13.9°C) at night.

Humidity

The average relative humidity in September is 77%.

Rainfall

In Kettering, in September, during 13 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Kettering, during the entire year, the rain falls for 154.5 days and collects up to 25.24" (641mm) of precipitation.

Snowfall

In Kettering, snow does not fall in May through October.

Daylight

In Kettering, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 7:05 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:20 pm EDT.

Sunshine

In Kettering, the average sunshine in September is 8.3h.

UV index

In Kettering, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

What is the temperature in September?

An average high-temperature, in September, in Kettering, is 75°F (23.9°C) and the average low-temperature is 57°F (13.9°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 77%.

How many days does it rain in September?

In Kettering, in September, during 13 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow in Kettering?

In Kettering, snow does not fall in May through October.

How many hours of daylight does Kettering have in September?

The average day length in September is 12h and 26min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:05 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:20 pm EDT.

How many hours of sunshine does Kettering have in September?

In September, the average sunshine duration is 8.3h.

What is the UV index reading in September?

In Kettering, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Kettering, OH

Average temperature in September - Kettering, OH
  • Average high temperature in September: 75°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 (33.6°F).

  • Average low temperature in September: 57°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 (21.7°F).

Average pressure in September
Kettering, OH

Average pressure in September - Kettering, OH
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Kettering, OH

Average wind speed in September - Kettering, OH
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in September
Kettering, OH

Average humidity in September - Kettering, OH
  • Average humidity in September: 77%

The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Kettering, OH

Average rainfall in September - Kettering, OH
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is October (1.54").

Average rainfall days in September
Kettering, OH

Average rainfall days in September - Kettering, OH
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (8 days).

Average snowfall in September
Kettering, OH

Average snowfall in September - Kettering, OH
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Kettering, OH

Average snowfall days in September - Kettering, OH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Kettering, OH

Average daylight in September / Average sunshine in September - Kettering, OH
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in September
Kettering, OH

Average sunshine days in September - Kettering, OH
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in September
Kettering, OH

Average UV index in September - Kettering, OH
  • 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, October, November and December (UV index 2).

Average cloud cover in September
Kettering, OH

Average cloud cover in September - Kettering, OH
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Kettering, OH

Average visibility in September - Kettering, OH
  • 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).

Kettering, Ohio, USA

Weather forecast for your location

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