September weather forecastDundee, OH

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Dundee, Ohio, with an average temperature ranging between min 54.9°F (12.7°C) and max 74.8°F (23.8°C).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 81°F (27.2°C) in August to a still moderately hot 74.8°F (23.8°C). Dundee experiences an average low-temperature of 54.9°F (12.7°C) in the month of September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

September is the month with the least rainfall in Dundee. Rain falls for 13.2 days and accumulates 1.85" (47mm) of precipitation.

Snowfall

In Dundee, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of the month, sunrise is at 6:54 am and sunset at 7:58 pm. On the last day of September, in Dundee, sunrise is at 7:22 am and sunset at 7:09 pm EDT.

Sunshine

In September, the average sunshine is 8.2h.

UV index

The average daily maximum UV index in September in Dundee, Ohio, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Dundee, 74.8°F (23.8°C) is the average high-temperature and 54.9°F (12.7°C) is the average low-temperature during September. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 86°F (30°C).

The average relative humidity in September in Dundee is 79%.

September is the month with the least rainfall. Rain falls for 13.2 days and accumulates 1.85" (47mm) of precipitation.

In Dundee, Ohio, during September, the rain falls for 13.2 days and regularly aggregates up to 1.85" (47mm) of precipitation.

In Dundee, snow does not fall in May through September.

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

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

In September, on the first day of the month, sunrise is at 6:54 am and sunset at 7:58 pm. On the last day of the month, in Dundee, sunrise is at 7:22 am and sunset at 7:09 pm EDT.

In Dundee, the average sunshine duration in September is 8.2h.

In September, the average daily maximum UV index in Dundee, Ohio, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

81°F

74.8°F

61.5°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.6mph

5.8mph

7.5mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.9

14.5

14.2

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Dundee, OH

Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.4°F).

Average low temperature in September: 54.9°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in September
Dundee, OH

Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Dundee, OH

Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

Average humidity in September
Dundee, OH

Average humidity in September: 79%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Dundee, OH

Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in September
Dundee, OH

Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in September
Dundee, OH

Average snowfall in September: 0"

The month with the highest snowfall is February (5.04").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Dundee, OH

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September: 12h and 24min

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: 8h and 12min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).