Weather in Sirius: September
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Average day temperature: | 74.9°F |
| Average night temperature: | 65.1°F | |
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Sea water temperature: | 77.7°F |
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Number of sunny days: | 12 days |
| Day length: | 11.8 - 13.2 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 2.5 in. | |
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| Sirius |
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| Sirius |
Air temperature in September, °F
The highest day temperature during September of 2026 was 77°F. At the same time the lowest night temperature was 54°F. Daily and nightly averages during September were 71.4°F and 61.6°F.
Sea water temperature in Sirius in September, °F
The average sea water temperature in September of 2026 was 76.9°F. The highest and lowest sea temperatures during the month were 80.1°F and 73.0°F.
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Sirius in September is 2.5 in. Other months of the year show relatively similar values.
The average wind speed value in September is 5.0 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.0.
Best time for vacation in Sirius
Sirius on a weather map
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