September weather forecast
Marcellus, NY

Share

Weather in September

September, the first month of the autumn in Marcellus, is still a pleasant month, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 52.5°F (11.4°C).

Temperature

Marcellus experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 76.5°F (24.7°C) in August to an agreeable 70.3°F (21.3°C). Marcellus observes an average low-temperature of 52.5°F (11.4°C) during September.

Humidity

The average relative humidity in September is 79%.

Rainfall

The month with the least rainfall in Marcellus is September, when the rain falls for 11.2 days and typically collects 1.02" (26mm) of precipitation.

Snowfall

In Marcellus, New York, snow does not fall in May through September.

Daylight

In Marcellus, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:47 pm EDT.

Sunshine

In Marcellus, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September in Marcellus is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 3 during September translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
[Resources]

Frequently asked questions

What are the temperatures in Marcellus in September?

The high-temperature, in September, in Marcellus, is 70.3°F (21.3°C), while the low-temperature averages to 52.5°F (11.4°C).

What is the average humidity in September in Marcellus?

In September, the average relative humidity in Marcellus, New York, is 79%.

What is the driest month in Marcellus?

The month with the least rainfall in Marcellus is September, when the rain falls for 11.2 days and typically collects 1.02" (26mm) of precipitation.

How much does it rain in Marcellus in September?

In September, in Marcellus, New York, the rain falls for 11.2 days. Throughout September, 1.02" (26mm) of precipitation is accumulated.

When it does not snow in Marcellus?

In Marcellus, snow does not fall in May through September.

Does it snow in Marcellus in September?

In Marcellus, New York, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Marcellus have in September?

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

When is the sunrise / sunset in September in Marcellus?

In September, on the first day of the month, sunrise is at 6:30 am and sunset at 7:39 pm. On the last day of the month, in Marcellus, New York, sunrise is at 7:02 am and sunset at 6:47 pm EDT.

How many hours of sunshine does Marcellus have in September?

In Marcellus, the average sunshine duration in September is 9h.

What is the UV index reading in September in Marcellus?

In Marcellus, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Marcellus, NY

Average temperature in September - Marcellus, NY
  • Average high temperature in September: 70.3°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in September: 52.5°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

[Resources]

Average pressure in September
Marcellus, NY

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

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

[Resources]

Average wind speed in September
Marcellus, NY

Average wind speed in September - Marcellus, NY
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

[Resources]

Average humidity in September
Marcellus, NY

Average humidity in September - Marcellus, NY
  • Average humidity in September: 79%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).

[Resources]

Average rainfall in September
Marcellus, NY

Average rainfall in September - Marcellus, NY
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is September (1.02").

[Resources]

Average rainfall days in September
Marcellus, NY

Average rainfall days in September - Marcellus, NY
  • Average rainfall days in September: 11.2 days

The months with the highest number of rainy days are May and July (15 days).
The month with the least rainy days is January (6.7 days).

[Resources]

Average snowfall in September
Marcellus, NY

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

The months with the highest snowfall are February and December (3.62").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in September
Marcellus, NY

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

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Marcellus, NY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).

[Resources]

Average sunshine days in September
Marcellus, NY

Average sunshine days in September - Marcellus, NY
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (7.2 days).

[Resources]

Average UV index in September
Marcellus, NY

Average UV index in September - Marcellus, NY
  • Average UV index in September: 3

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 and December (UV index 1).

[Resources]

Average cloud cover in September
Marcellus, NY

Average cloud cover in September - Marcellus, NY
  • Average cloud cover in September: 35

The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 32).

[Resources]

Average visibility in September
Marcellus, NY

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

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

[Resources]

Marcellus, New York, USA

Weather forecast for your location

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