September weather forecast and climate
Charm, OH

The first month of the autumn, September, is still a warm month in Charm, Ohio, with average temperature varying between 54.7°F (12.6°C) and 74.5°F (23.6°C).

Temperature

In Charm, the average high-temperature slightly decreases, from 80.6°F (27°C) in August, to a still moderately hot 74.5°F (23.6°C). The average low-temperature, is 54.7°F (12.6°C).

Humidity

The average relative humidity is 79%.

Rainfall

The month with the least rainfall is September when the rain falls for 14.2 days and typically collects 1.77" (45mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Charm, Ohio, the average length of the day is 12.4h.

Sunshine

In Charm, Ohio, the average sunshine is 8.2h.

UV index

In Charm, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Charm?

In Charm, in September, the average high-temperature is 74.5°F (23.6°C), and the average low-temperature is 54.7°F (12.6°C).

What is the average humidity in September in Charm?

The average relative humidity in September is 79%.

How much does it rain in Charm in September?

In Charm, Ohio, in September, during 14.2 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

What is the driest month in Charm?

The month with the least rainfall is September when the rain falls for 14.2 days and typically collects 1.77" (45mm) of precipitation.

Does it snow in Charm in September?

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

When it does not snow in Charm?

In Charm snow does not fall in May through September.

How many hours of daylight does Charm have in September?

The average length of the day in September is 12.4h.

How long on average sun shines in September in Charm?

The average sunshine in September is 8.2h.

How high is the UV index in September in Charm?

In September, the average daily maximum UV index in Charm, Ohio, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
Average temperature in September - Charm, OH
  • Average high temperature in September: 23.6°C

The warmest month (with the highest average high temperature) is July (27.5°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in September: 12.6°C

The month with the highest average low temperature is July (16.4°C).
The coldest month (with the lowest average low temperature) is January (-7.2°C).

Average pressure in September - Charm, OH
  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is November (1020.3mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in September - Charm, OH
  • Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is January (14.2km/h).
The calmest months (with the lowest average wind speed) are July and August (8.3km/h).

Average humidity in September - Charm, OH
  • Average humidity in September: 79%

Months with the highest relative humidity are January and February (85%).
Months with the lowest relative humidity are April and November (78%).

Average rainfall in September - Charm, OH
  • Average rainfall in September: 45mm

The wettest month (with the highest rainfall) is April (81mm).
The driest month (with the least rainfall) is September (45mm).

Average rainfall days in September - Charm, OH
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (9.2 days).

Average snowfall in September - Charm, OH
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (135mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (15.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Charm, OH
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 8.2h

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.1h).

Average sunshine days in September - Charm, OH
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (8.6 days).

Average UV index in September - Charm, OH
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September - Charm, OH
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September - Charm, OH
  • Average visibility in September: 8km

Months with the highest visibility are April, October and November (9km).
Months with the lowest visibility are January, February, March, May, June, July, August, September and December (8km).