Nagano in september: average Weather, Temperature and Climate
Weather in Nagano in september 2025
The weather in Nagano-shi in the month of september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
58°F
Moderate rain at times
26% of time
25%
24%
14%
Weather at 12pm
77°F
Moderate rain at times
41% of time
39%
15%
6%
Weather at 6pm
61°F
Moderate rain at times
44% of time
28%
14%
11%
Weather at 3am
56°F
28%
23%
20%
15%
Evolution of daily average temperature and precipitation in Nagano in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Nagano in september.
The climate of Nagano in september is good
The weather in september in Nagano-shi is wet (with 7.9in of rainfall over 11 days). It should be noted an improvement from the previous month since in august it receives an average of 10.9in of precipitation over 15 days.
The climate quite good there september. Temperatures are up to 77°F. In the morning the temperature drops to 58°F. Thus, the mean temperature average on this month of september in Nagano-shi is 68°F. These temperatures are far removed from those records observed in Nagano-shi in the month of september with a maximum record of 94°F in 2020 and a minimum record of 34°F in 2011. You can expect to have about 4 days with temperatures over 86°F, or 13 of the month.
In september in Nagano-shi, the days on average last 12:25. The sun rises at 05:30 and sets at 17:55.
With good weather conditions, this month is advisable to go in this city in Japan.
Seasonal average climate and temperature of Nagano in september
Check below seasonal norms These datas are generated from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 68°F | ||||
| Highest temperature | 77°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 94°F (2020) | ||||
| Lowest record temperature | 34°F (2011) | ||||
| Number of days at +86°F | 4 day(s) (13%) | ||||
| Number of days at +65°F | 29 day(s) (97%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 10km/h | ||||
| Wind temperature | 58°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 7.9in | ||||
| Number of days with rainfall | 11 day(s) (35%) | ||||
| Record daily rainfall | 3.6in (2016) | ||||
| Other climate data | |||||
| Humidity | 93% | ||||
| Visibility | 8.04km | ||||
| Cloud cover | 41% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:30 | ||||
| Time of sunset | 17:55 | ||||
| Length of day | 12:25 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Nagano in september 2024:
61°F to 88°F
67°F to 88°F
59°F to 74°F
59°F to 85°F
63°F to 85°F
63°F to 86°F
59°F to 81°F
65°F to 81°F
59°F to 83°F
59°F to 85°F
59°F to 88°F
61°F to 85°F
59°F to 85°F
63°F to 88°F
61°F to 77°F
67°F to 86°F
65°F to 85°F
59°F to 77°F
59°F to 76°F
59°F to 88°F
59°F to 74°F
58°F to 74°F
49°F to 70°F
50°F to 70°F
45°F to 74°F
50°F to 79°F
54°F to 81°F
56°F to 67°F
54°F to 70°F
52°F to 74°F
Map: other cities in Japan in september
Cities near Nagano:
| Karuizawa in september | tolerable weather |
| Matsumoto in september | good weather |
| Joetsu in september | good weather |
| Maebashi in september | good weather |
| Toyama in september | tolerable weather |
| Takayama in september | tolerable weather |
| Nagaoka in september | good weather |
| Kofu in september | tolerable weather |
| Gokayama in september | tolerable weather |
| Nanao in september | tolerable weather |
| Nikko in september | tolerable weather |
| Kanazawa in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Nagano
perfect weather
good
tolerable
bad
very bad
Weather data for Nagano in september:
Weather data for Nagano for september are derived from an average of the weather forecast since 2009 in Nagano. There is a margin of error and these forecasts are to be considered as general information only. The weather in Nagano can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Nagano.