Tomioka, Japan weather in September

Historical temperature average in September

In Tomioka, Japan
75°F
highs
59°F
lows
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General weather summary

Mildly cool, humid but cool
Feels like
51%
Chance of rain
0.410 in
Amount
9.5 mph
Wind speed
89%
Humidity
12.5 hrs
Daylight length
5:25 AM
Sunrise
5:53 PM
Sunset
40%
Cloud cover
T-shirt, rain coat and rain boots
What to wear
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Table of contents

What is the average temperature in September

The average temperature in Tomioka in September for a typical day ranges from a high of 75°F (24°C) to a low of 59°F (15°C). Some would describe it as mildly cool, humid but cool.

For comparison, the hottest month in Tomioka, August, has days with highs of 82°F (28°C) and lows of 66°F (19°C). The coldest month, January has days with highs of 35°F (2°C) and lows of 21°F (-6°C). This graph shows how an average day looks like in Tomioka in September based on historical data.

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Highs and lows in Tomioka in Sep

How much does it rain in September

In Tomioka in September, there's a 51% chance of rain on an average day. And on the average day it rains or snows, we get 0.80 in (20.3 mm) of precipitation. In more common terms of how much that is, some would describe it as heavy rain.

The wettest month in Tomioka is July where a typical day has a 64% chance of precipitation and gets 0.40 inches (10.1 mm) of precipitation, while the dryest month in Tomioka is January where a typical day has a 16% chance of precipitation and gets 0.40 inches (10.2 mm) of precipitation. These graphs show the probability of it raining/snowing in September and the amount of rainfall.

Chance of rain or snow on an average Tomioka day by month
Average precipitation by hour of day
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How cloudy is Tomioka in September

The average amount of time that the sky is clear or sunny (partly cloudy or less) in Tomioka during September is 9.5 hours (40% of the day). For comparison, the month with the most clear, sunny days in Tomioka is December with an average of 13.4 hours per day while July has the shortest amount of cloud-free hours with only 6.8 hours per day. This graph shows the average amount of sunshine in Tomioka in September based on historical data.
Monthly clear skies percent of time in Tomioka

When is sunrise and sunset in September

The average day in Tomioka during September has 12.5 hours of daylight, with sunrise at 5:25 AM and sunset at 5:53 PM.

The day with the longest amount of daylight in Tomioka is June 19th with 14.6 hours while December 22nd has the shortest amount of daylight with only 9.7 hours.

This graph shows the average amount of daylight in Tomioka in September based on historical data.

Average hours of daylight in Tomioka by month

How humid is it in September

In September, Tomioka is very humid with an average amount of 89% (relative humidity), which could be described as humid but cool. October has the highest relative humidity at 90% and is the least humid in May at 74%. This graph shows the average amount of humidity in Tomioka throughout September based on historical data.
Average relative humidity in Tomioka by month

How windy is it in September

Historically, the wind in Tomioka during September blows at an average speed of 9.5 mph (15.3 kph). The windiest month is January with an average wind speed of 14.9 mph (23.9 kph), while the calmest month is August with an average wind speed of 8.0 mph (12.8 kph). This graph shows the average wind speed in Tomioka in September based on historical data.
Average monthly wind speed in Tomioka

What to wear in September

With an average high of 75°F (24°C) and a low of 59°F (15°C), it generally feels mildly cool, humid but cool. There might also be a moderate chance of rain. With that in mind, most people would dress in something light like your favorite t-shirt and top it off with a rain coat and rain boots
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What's the weather like in Tomioka the rest of the year

We've collected the weather data for Tomioka during all other months of the year too:

Where does this data come from

Weather data for Tomioka was collected from the MERRA-2 project from NASA, which used a climate model combined with historical data from weather stations around the world to estimate what the conditions were like for every point on the Earth.

For all data based on historical data, we've averaged the data from the past 11 years (2010-2020). For example, for the hourly temperature at 10am, we've looked at the temperature at 10am on every day in September (e.g., September 1, September 2, etc. in 2010, 2011, etc.) and took the arithmetic mean. We did not smooth the data, so for example, our daily temperature line will have some randomness due to the fact that weather is random in the first place.

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