Nagano City, Nagano pref.Past weather in September

°C

About This Calendar

･This calendar lists the weather, temperature, and precipitation for the past five years on the same day, based on the selected prefecture's location.

･The calendar uses historical weather data obtained from the Japan Meteorological Agency's website.

･The daytime weather data is observed from 6:00 to 18:00, and the nighttime data is observed from 18:00 to 6:00 the next day.

･Weather summaries are generally recorded only by meteorological observatories. For example, in some prefectures like Saitama and Yamaguchi, there are no weather stations in the prefectural capitals.

･In rare cases, there are locations and periods when records of weather summaries and temperatures are unavailable.

･Precipitation refers to the total daily amount, and snowfall refers to the total daily amount of snowfall.

･In some cases, precipitation may still be recorded even when the weather is 'clear.' Because the weather is recorded from 6:00 to 18:00 (daytime) and from 18:00 to 6:00 (nighttime the next day), which follows a different classification.

･The temperatures are displayed with icons and bold text for hot days, midsummer days, midwinter days, and other categories.