Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a moderately hot 82.9°F (28.3°C) to a still warm 77°F (25°C). Ithaca witnesses an average low-temperature of 57°F (13.9°C) throughout the month of September.Humidity
The average relative humidity in September is 71%.Rainfall
In Ithaca, during September, the rain falls for 11.9 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 119.2 rainfall days, and 22.83" (580mm) of precipitation is accumulated.Snowfall
In Ithaca, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of September in Ithaca, sunrise is at 6:53 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:09 pm CDT.
Sunshine
In September, the average sunshine in Ithaca is 8.9h.UV index
In September, the average daily maximum UV index in Ithaca, Nebraska, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ithaca in September?
What is the average humidity in September in Ithaca?
How much does it rain in Ithaca in September?
When it does not snow in Ithaca?
Does it snow in Ithaca in September?
How many hours of daylight does Ithaca have in September?
When are sunrise and sunset in September in Ithaca?
How long on average sun shines in September in Ithaca?
What is the UV index intensity in September in Ithaca?
Average temperature in September
Ithaca, NE
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Ithaca, NE
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Ithaca, NE
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Ithaca, NE
- Average humidity in September: 71%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (65%).
Average rainfall in September
Ithaca, NE
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Ithaca, NE
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Ithaca, NE
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ithaca, NE
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ithaca, NE
- 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Ithaca, NE
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in September
Ithaca, NE
- 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, November and December (UV index 2).
Average cloud cover in September
Ithaca, NE
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Ithaca, NE
- 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).
Ithaca, Nebraska, USA
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