September weather forecast and climate
Elmira, NY

Weather in September

The first month of the autumn, September, is also an agreeable month in Elmira, New York, with average temperature ranging between min 50.4°F (10.2°C) and max 70.7°F (21.5°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 77.5°F (25.3°C) in August, to an agreeable 70.7°F (21.5°C). In Elmira, the average low-temperature is 50.4°F (10.2°C).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Elmira, it is raining for 13.6 days, with typically 2.13" (54mm) of accumulated precipitation. In Elmira, during the entire year, the rain falls for 172.7 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in Elmira, New York, is 12.5h.

Sunshine

In Elmira, the average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Elmira?

In Elmira, the average relative humidity in September is 80%.

How much does it rain in Elmira in September?

In Elmira, New York, in September, it is raining for 13.6 days, with typically 2.13" (54mm) of accumulated precipitation.

When it does not snow in Elmira?

In Elmira, New York, snow does not fall in June through September.

Does it snow in Elmira in September?

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

What is the average length of the day in September in Elmira?

In September, the average length of the day in Elmira, New York, is 12.5h.

How many hours of sunshine does Elmira have in September?

The average sunshine in September is 8.6h.

What is the UV index reading in September in Elmira?

The average daily maximum UV index in September in Elmira, New York, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in September
Elmira, NY

Average temperature in September - Elmira, NY
  • Average high temperature in September: 70.7°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in September: 50.4°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

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Average pressure in September
Elmira, NY

Average pressure in September - Elmira, NY
  • Average pressure in September: 30.06"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
Elmira, NY

Average wind speed in September - Elmira, NY
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in September
Elmira, NY

Average humidity in September - Elmira, NY
  • Average humidity in September: 80%

The month with the highest relative humidity is February (85%).
Months with the lowest relative humidity are April, May, June and July (78%).

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Average rainfall in September
Elmira, NY

Average rainfall in September - Elmira, NY
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is April (3.07").
The driest months (with the least rainfall) are January and November (1.89").

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Average rainfall days in September
Elmira, NY

Average rainfall days in September - Elmira, NY
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall in September
Elmira, NY

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

The month with the highest snowfall is February (8.82").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Elmira, NY

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

The month with the highest number of snowfall days is January (17.7 days).
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
Elmira, NY

Average daylight in September / Average sunshine in September - Elmira, NY
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 3.1h).

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Average sunshine days in September
Elmira, NY

Average sunshine days in September - Elmira, NY
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (7.3 days).

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Average UV index in September
Elmira, NY

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

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in September
Elmira, NY

Average cloud cover in September - Elmira, NY
  • Average cloud cover in September: 40

Months with the most cloud cover are January and February (Cloud cover 69).
Months with the least cloud cover are July and August (Cloud cover 36).

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Average visibility in September
Elmira, NY

Average visibility in September - Elmira, NY
  • Average visibility in September: 5mi

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

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