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 sea temperature 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
The start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 29.3°C (84.7°F) in August to a still warm 26.1°C (79°F). An average low-temperature of 21.4°C (70.5°F), slightly less than the daytime peak, marks the month of September in Toyohashi.Humidity
In September, the average relative humidity is 77%.Rainfall
In Toyohashi, in September, it is raining for 17.3 days, with typically 86mm (3.39") of accumulated precipitation. In Toyohashi, during the entire year, the rain falls for 166.1 days and collects up to 758mm (29.84") of precipitation.Snowfall
March through November are months without snowfall in Toyohashi, Japan.Sea temperature
In September, the average sea temperature is 25.8°C (78.4°F).Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.
Daylight
The average length of the day in September in Toyohashi is 12h and 24min.On the first day of September, sunrise is at 05:23 and sunset at 18:17. On the last day of the month, sunrise is at 05:44 and sunset at 17:36 JST.
Sunshine
In Toyohashi, the average sunshine in September is 8.9h.UV index
In Toyohashi, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be alert! The reflection of water and sand augments UV radiation intensity.
Frequently asked questions
What are September temperatures in Toyohashi?
What is the average humidity in September in Toyohashi?
How much does it rain in Toyohashi in September?
When it does not snow in Toyohashi?
What is the water temperature in September in Toyohashi?
How many hours of daylight does Toyohashi have in September?
What time are sunrise and sunset in September in Toyohashi?
How many hours of sunshine does Toyohashi have in September?
What is the UV index reading in September in Toyohashi?
Average temperature in September
Toyohashi, Japan
- Average high temperature in September: 26.1°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 21.4°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in September
Toyohashi, Japan
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is November (1018.8mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Toyohashi, Japan
- Average wind speed in September: 13.9km/h
The windiest month (with the highest average wind speed) is January (22.8km/h).
The calmest months (with the lowest average wind speed) are July and August (12.1km/h).
Average humidity in September
Toyohashi, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are January and February (68%).
Average rainfall in September
Toyohashi, Japan
- Average rainfall in September: 86mm
The wettest month (with the highest rainfall) is July (132mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days in September
Toyohashi, Japan
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Toyohashi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Toyohashi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Toyohashi, Japan
- Average sea temperature in September: 25.8°C
The best month for swimming (with the highest average sea temperature) is August (26.8°C).
The coldest months (with the lowest average sea temperature) are February and March (14.8°C).
Average daylight in September /
Average sunshine in September
Toyohashi, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in September
Toyohashi, Japan
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in September
Toyohashi, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Toyohashi, Japan
- Average cloud cover in September: 35
The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility in September
Toyohashi, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
Toyohashi, Japan
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