September weather forecastRacine, OH

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Racine, Ohio, with an average temperature fluctuating between 79°F (26.1°C) and 57.7°F (14.3°C).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of a warm 85.6°F (29.8°C) in August to a still moderately hot 79°F (26.1°C). Racine's average low-temperature for the month of September records at a moderate 57.7°F (14.3°C).

Humidity

In September, the average relative humidity is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 1.97" (50mm) of precipitation.

Snowfall

May through September are months without snowfall in Racine.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:57 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:11 pm EDT.

Sunshine

The average sunshine in September is 8.1h.

UV index

In Racine, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

The average high-temperature, in September, in Racine, is 79°F (26.1°C), while the average low-temperature is 57.7°F (14.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 96.8°F (36°C).

The average relative humidity in September is 75%.

The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 1.97" (50mm) of precipitation.

In Racine, during September, the rain falls for 13.1 days and regularly aggregates up to 1.97" (50mm) of precipitation.

May through September are months without snowfall in Racine.

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

In September, the average day length is 12h and 26min.

On the first day of September, sunrise is at 6:57 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:11 pm EDT.

In Racine, the average sunshine duration in September is 8.1h.

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Racine, OH

  • Average high temperature in September: 79°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in September
Racine, OH

  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Racine, OH

  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in September
Racine, OH

  • Average humidity in September: 75%

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

Average rainfall in September
Racine, OH

  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in September
Racine, OH

  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.7 days).

Average snowfall in September
Racine, OH

  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Racine, OH

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 24min

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 30min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September
Racine, OH

  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.4 days).

Average UV index in September
Racine, OH

  • Average UV index in September: 4

The months with the highest UV index are May, 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
Racine, OH

  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Racine, OH

  • Average visibility in September: 5mi

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