September weather forecast
Conway, MA

Share

Weather in September

September, the first month of the autumn in Conway, is still a pleasant month, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 71.4°F (21.9°C).

Temperature

September is marked by a subtle drop in average high-temperatures, transitioning from a warm 79.2°F (26.2°C) in August to an agreeable 71.4°F (21.9°C). Throughout September, Conway witnesses a nighttime temperature average of 52.2°F (11.2°C).

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 10 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Conway, the average length of the day in September is 12h and 29min.
On the first day of September in Conway, sunrise is at 6:16 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:33 pm EDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The high-temperature, in September, in Conway, is 71.4°F (21.9°C), while the low-temperature averages to 52.2°F (11.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is appraised at 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 78%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 10 days and accumulates 1.69" (43mm) of precipitation.

How much does it rain in September?

In Conway, during September, the rain falls for 10 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

In Conway, the average day length in September is 12h and 29min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:33 pm EDT.

How many hours of sunshine does Conway have in September?

The average sunshine duration in September is 8.6h.

What is the UV index reading in September?

In September, the average daily maximum UV index in Conway is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Conway, MA

Average temperature in September - Conway, MA
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in September: 52.2°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in September
Conway, MA

Average pressure in September - Conway, MA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Conway, MA

Average wind speed in September - Conway, MA
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in September
Conway, MA

Average humidity in September - Conway, MA
  • Average humidity in September: 78%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September
Conway, MA

Average rainfall in September - Conway, MA
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in September
Conway, MA

Average rainfall days in September - Conway, MA
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is April (15.3 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in September
Conway, MA

Average snowfall in September - Conway, MA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Conway, MA

Average snowfall days in September - Conway, MA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Conway, MA

Average daylight in September / Average sunshine in September - Conway, MA
  • 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 6min).

  • Average sunshine in September: 8h and 4min

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 30min).

Average sunshine days in September
Conway, MA

Average sunshine days in September - Conway, MA
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is April (13.2 days).

Average UV index in September
Conway, MA

Average UV index in September - Conway, MA
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Conway, MA

Average cloud cover in September - Conway, MA
  • Average cloud cover in September: 37

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 35).

Average visibility in September
Conway, MA

Average visibility in September - Conway, MA
  • Average visibility in September: 5mi

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

Conway, Massachusetts, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location