September weather forecast
Guilderland Center, NY

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Weather in September

The first month of the autumn, September, is still a pleasant month in Guilderland Center, New York, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 51.3°F (10.7°C).

Temperature

The arrival of September suggests a slight decrease in the average high-temperature, moving from a warm 79.2°F (26.2°C) in August to an agreeable 71.4°F (21.9°C). Guilderland Center anticipates an average minimum temperature of 51.3°F (10.7°C) in the month of September.

Humidity

In September, the average relative humidity is 78%.

Rainfall

September is the month with the least rainfall in Guilderland Center. Rain falls for 11.4 days and accumulates 2.05" (52mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Guilderland Center is 12h and 29min.
On the first day of September, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

Sunshine

In September, the average sunshine in Guilderland Center, New York, is 9h.

UV index

In September, the average daily maximum UV index in Guilderland Center is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 3 suggests these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the temperature in September in Guilderland Center?

In September, in Guilderland Center, the average high-temperature is 71.4°F (21.9°C), and the average low-temperature is 51.3°F (10.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 86°F (30°C).

What is the average humidity in September in Guilderland Center?

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

What is the driest month in Guilderland Center?

September is the month with the least rainfall in Guilderland Center. Rain falls for 11.4 days and accumulates 2.05" (52mm) of precipitation.

How much does it rain in Guilderland Center in September?

In September, the rain falls for 11.4 days. Throughout September, 2.05" (52mm) of precipitation is accumulated.

When it does not snow in Guilderland Center?

June through September are months without snowfall in Guilderland Center, New York.

Does it snow in Guilderland Center in September?

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

What is the average length of the day in September in Guilderland Center?

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

When is the sunrise / sunset in September in Guilderland Center?

In September, on the first day of the month, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of the month, in Guilderland Center, New York, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

How long on average sun shines in September in Guilderland Center?

In Guilderland Center, New York, the average sunshine duration in September is 9h.

What is the UV index intensity in September in Guilderland Center?

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

Average temperature in September - Guilderland Center, NY
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in September: 51.3°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in September
Guilderland Center, NY

Average pressure in September - Guilderland Center, NY
  • 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 (29.92"Hg).

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Average wind speed in September
Guilderland Center, NY

Average wind speed in September - Guilderland Center, NY
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Guilderland Center, NY

Average humidity in September - Guilderland Center, NY
  • Average humidity in September: 78%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in September
Guilderland Center, NY

Average rainfall in September - Guilderland Center, NY
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in September
Guilderland Center, NY

Average rainfall days in September - Guilderland Center, NY
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall in September
Guilderland Center, NY

Average snowfall in September - Guilderland Center, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Guilderland Center, NY

Average snowfall days in September - Guilderland Center, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Guilderland Center, NY

Average daylight in September / Average sunshine in September - Guilderland Center, 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 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in September
Guilderland Center, NY

Average sunshine days in September - Guilderland Center, NY
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).

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Average UV index in September
Guilderland Center, NY

Average UV index in September - Guilderland Center, NY
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Guilderland Center, NY

Average cloud cover in September - Guilderland Center, NY
  • Average cloud cover in September: 35

The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in September
Guilderland Center, NY

Average visibility in September - Guilderland Center, NY
  • Average visibility in September: 5mi

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

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Guilderland Center, New York, USA

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