September weather forecast
Thomaston, NY

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Weather in September

September, the first month of the autumn in Thomaston, is also a moderately hot month, with an average temperature ranging between min 63.5°F (17.5°C) and max 73.8°F (23.2°C).

Temperature

As September arrives, Thomaston's weather displays a minor decrease in high-temperatures, transitioning from August's 80.6°F (27°C) to a still warm 73.8°F (23.2°C). The mean low-temperature during September nights is an enjoyable 63.5°F (17.5°C).

Humidity

In Thomaston, the average relative humidity in September is 73%.

Rainfall

In September, the rain falls for 13.1 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 155.6 rainfall days, and 34.72" (882mm) of precipitation is accumulated.

Snowfall

In Thomaston, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of September, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

Sunshine

The average sunshine in September is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature during September is 73.8°F (23.2°C) and the low-temperature is 63.5°F (17.5°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is estimated at 84.2°F (29°C).

What is the average humidity in September?

In Thomaston, the average relative humidity in September is 73%.

How many days does it rain in September in Thomaston?

In Thomaston, New York, in September, it is raining for 13.1 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall in Thomaston.

How many hours of daylight does Thomaston have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.1h.

How high is the UV index in September?

The average daily maximum UV index in September in Thomaston is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Thomaston, NY

Average temperature in September - Thomaston, NY
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in September
Thomaston, NY

Average pressure in September - Thomaston, NY
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Thomaston, NY

Average wind speed in September - Thomaston, NY
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in September
Thomaston, NY

Average humidity in September - Thomaston, NY
  • Average humidity in September: 73%

The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).

Average rainfall in September
Thomaston, NY

Average rainfall in September - Thomaston, NY
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in September
Thomaston, NY

Average rainfall days in September - Thomaston, NY
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in September
Thomaston, NY

Average snowfall in September - Thomaston, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Thomaston, NY

Average snowfall days in September - Thomaston, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Thomaston, NY

Average daylight in September / Average sunshine in September - Thomaston, NY
  • 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 18min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Thomaston, NY

Average sunshine days in September - Thomaston, NY
  • Average sunshine days in September: 14.5 days

The months with the most sunshine days are January and November (19.7 days).
The month with the least sunshine days is July (11 days).

Average UV index in September
Thomaston, NY

Average UV index in September - Thomaston, NY
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (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
Thomaston, NY

Average cloud cover in September - Thomaston, NY
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in September
Thomaston, NY

Average visibility in September - Thomaston, NY
  • Average visibility in September: 6mi

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

Thomaston, New York, USA

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