September weather forecast
Lakeside, CT

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Weather in September

September, the first month of the autumn in Lakeside, is still a pleasant month, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 54.1°F (12.3°C).

Temperature

As September commences, the average high-temperature subtly reduces, transitioning from a warm 79.7°F (26.5°C) in August to a pleasant 72.3°F (22.4°C). September nights observe an average temperature dip to a cool 54.1°F (12.3°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

The month with the least rainfall in Lakeside is September, when the rain falls for 13.5 days and typically collects 2.24" (57mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Lakeside, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:35 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In Lakeside, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In Lakeside, in September, the average high-temperature is 72.3°F (22.4°C), and the average low-temperature is 54.1°F (12.3°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 2.24" (57mm) of precipitation.

How much does it rain in September?

In Lakeside, in September, it is raining for 13.5 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Lakeside have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:35 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.5h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Lakeside, CT

Average temperature in September - Lakeside, CT
  • Average high temperature in September: 72.3°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in September
Lakeside, CT

Average pressure in September - Lakeside, CT
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Lakeside, CT

Average wind speed in September - Lakeside, CT
  • Average wind speed in September: 5.6mph

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Lakeside, CT

Average humidity in September - Lakeside, CT
  • Average humidity in September: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September
Lakeside, CT

Average rainfall in September - Lakeside, CT
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is December (3.62").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days in September
Lakeside, CT

Average rainfall days in September - Lakeside, CT
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is June (17.7 days).
The months with the least rainy days are January and February (8.1 days).

Average snowfall in September
Lakeside, CT

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

The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Lakeside, CT

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

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Lakeside, CT
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Lakeside, CT

Average sunshine days in September - Lakeside, CT
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10.5 days).

Average UV index in September
Lakeside, CT

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Lakeside, CT

Average cloud cover in September - Lakeside, CT
  • Average cloud cover in September: 39

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Lakeside, CT

Average visibility in September - Lakeside, CT
  • 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).

Lakeside, Connecticut, USA

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