September weather forecast
Moodus, CT

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Weather in September

The first month of the autumn, September, is still a warm month in Moodus, Connecticut, with an average temperature varying between 73.4°F (23°C) and 56.7°F (13.7°C).

Temperature

A moderate decline in average high-temperatures is noted in September, moving from 80.2°F (26.8°C) in August to a still warm 73.4°F (23°C). Throughout September, Moodus registers a consistent average low-temperature of 56.7°F (13.7°C).

Humidity

In September, the average relative humidity in Moodus is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 7.5 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In September, the average length of the day in Moodus is 12h and 28min.
On the first day of the month, sunrise is at 6:16 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:32 pm EDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during September leads to these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In Moodus, 73.4°F (23°C) is the average high-temperature and 56.7°F (13.7°C) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 87.8°F (31°C).

What is the average humidity in September?

In Moodus, Connecticut, the average relative humidity in September is 78%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 7.5 days and accumulates 0.35" (9mm) of precipitation.

How many days does it rain in September?

In Moodus, in September, during 7.5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

When it does not snow?

In Moodus, snow does not fall in June through October.

How many hours of daylight does Moodus have in September?

In September, the average day length is 12h and 28min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:16 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:32 pm EDT.

How long on average sun shines in September?

In Moodus, the average sunshine duration in September is 8.4h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Moodus, CT

Average temperature in September - Moodus, CT
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in September
Moodus, CT

Average pressure in September - Moodus, CT
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Moodus, CT

Average wind speed in September - Moodus, CT
  • Average wind speed in September: 6.2mph

The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in September
Moodus, CT

Average humidity in September - Moodus, CT
  • Average humidity in September: 78%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

Average rainfall in September
Moodus, CT

Average rainfall in September - Moodus, CT
  • Average rainfall in September: 0.35"

The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in September
Moodus, CT

Average rainfall days in September - Moodus, CT
  • Average rainfall days in September: 7.5 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is January (5.1 days).

Average snowfall in September
Moodus, CT

Average snowfall in September - Moodus, CT
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Moodus, CT

Average snowfall days in September - Moodus, CT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Moodus, CT

Average daylight in September / Average sunshine in September - Moodus, CT
  • 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 12min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in September
Moodus, CT

Average sunshine days in September - Moodus, CT
  • Average sunshine days in September: 20.5 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (17.1 days).

Average UV index in September
Moodus, CT

Average UV index in September - Moodus, CT
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Moodus, CT

Average cloud cover in September - Moodus, CT
  • Average cloud cover in September: 38

The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Moodus, CT

Average visibility in September - Moodus, CT
  • Average visibility in September: 6mi

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

Moodus, Connecticut, USA

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