Weather in Ithaca: September
| Average day temperature: | 68.7°F | |
| Average night temperature: | 55.0°F | |
| Number of sunny days: | 11 days | |
| Day length: | 11.8 - 13.1 hours | |
| Number of rainy days: | 1 day | |
| Precipitation totals: | 0.8 in. | |
| more information | ||
14 days
forecast
forecast
| Ithaca |
weather in
October
October
| Ithaca |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 77°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during September were 70.8°F and 53.3°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Ithaca in September is 0.8 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 6.1 mph It makes September one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.8.
Best time for vacation in Ithaca
Ithaca on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Ithaca
Local time: 18:18
December 23, tuesday
2100

34°F
E
11 mph
11 mph
December 24, wednesday
0000

34°F
SE
15 mph
15 mph
0300

34°F
SE
20 mph
20 mph
0600

34°F
SE
21 mph
21 mph
0900

32°F
SE
19 mph
19 mph
1200

32°F
SE
16 mph
16 mph
1500

30°F
SE
13 mph
13 mph
1800

28°F
SE
7 mph
7 mph






























