September weather forecastGodby, Finland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Godby, Finland, with an average temperature fluctuating between 12.4°C (54.3°F) and 14.6°C (58.3°F).Temperature
September brings a slight decrease in temperature, down from an enjoyable 17.6°C (63.7°F) in August to a moderate 14.6°C (58.3°F). A modest decline from daytime high temperatures in Godby is noticed in September, marking the average low at a fresh 12.4°C (54.3°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In September, the rain falls for 13.3 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Godby, during the entire year, the rain falls for 117 days and collects up to 276mm (10.87") of precipitation.Snowfall
In Godby, snow does not fall in June through September.Daylight
In Godby, the average length of the day in September is 12h and 52min.On the first day of September in Godby, sunrise is at 06:35 and sunset at 20:44. On the last day of the month, sunrise is at 07:44 and sunset at 19:15 EEST.
Sunshine
The average sunshine in September is 7.8h.UV index
In Godby, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Godby, Finland
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is August (17.6°C).
The month with the lowest average high temperature is February (0.5°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in September
Godby, Finland
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in September
Godby, Finland
- Average wind speed in September: 25.3km/h
The windiest month (with the highest average wind speed) is December (31.7km/h).
The calmest month (with the lowest average wind speed) is July (20km/h).
Average humidity in September
Godby, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and October (78%).
Average rainfall in September
Godby, Finland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is October (32mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Godby, Finland
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is August (14.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Godby, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Godby, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Godby, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Godby, Finland
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is May (20.5 days).
The month with the least sunshine days is December (11 days).
Average UV index in September
Godby, Finland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and March (UV index 1).
Average cloud cover in September
Godby, Finland
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Godby, Finland
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
