Atlantic Point Weather

55°F

Bellport, NY, USA

Updated: 09/7/2026 1:50 am

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Daily Report for the month of September 2026

1 September Average and Extremes
Average temperature	71.4°F
Average humidity	82%
Average dewpoint	65.7°F
Average barometer	30.0 in.
Average windspeed	0.1 mph
Average gustspeed	0.7 mph
Average direction	156° (SSE)
Rainfall for month	1.15 in.
Rainfall for year	30.17 in.
Maximum rain per minute	0.05 in. on 01 at 11:16
Maximum temperature	80.1°F on 01 at 16:36
Minimum temperature	66.6°F on 01 at 00:00
Maximum humidity	85% on 01 at 15:00
Minimum humidity	72% on 01 at 16:27
Maximum pressure	30.050 in. on 01 at 23:59
Minimum pressure	29.940 in. on 01 at 16:51
Maximum windspeed	2.3 mph on 01 at 20:54
Maximum gust speed	5.8 mph from 082 °(E) on 01 at 21:08
Maximum heat index	83.5°F on 01 at 16:36

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2 September Average and Extremes
Average temperature	69.0°F
Average humidity	77%
Average dewpoint	61.2°F
Average barometer	30.1 in.
Average windspeed	0.2 mph
Average gustspeed	1.0 mph
Average direction	147° (SSE)
Rainfall for month	1.40 in.
Rainfall for year	30.42 in.
Maximum rain per minute	0.09 in. on 02 at 16:04
Maximum temperature	77.2°F on 02 at 11:30
Minimum temperature	64.6°F on 02 at 05:14
Maximum humidity	85% on 02 at 23:59
Minimum humidity	56% on 02 at 12:34
Maximum pressure	30.140 in. on 02 at 11:26
Minimum pressure	30.040 in. on 02 at 23:58
Maximum windspeed	3.5 mph on 02 at 12:34
Maximum gust speed	6.9 mph from 135 °(SE) on 02 at 14:29
Maximum heat index	79.0°F on 02 at 11:29

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3 September Average and Extremes
Average temperature	75.6°F
Average humidity	78%
Average dewpoint	67.9°F
Average barometer	29.9 in.
Average windspeed	0.3 mph
Average gustspeed	1.0 mph
Average direction	165° (SSE)
Rainfall for month	1.44 in.
Rainfall for year	30.46 in.
Maximum rain per minute	0.01 in. on 03 at 04:30
Maximum temperature	86.0°F on 03 at 14:52
Minimum temperature	68.7°F on 03 at 00:06
Maximum humidity	86% on 03 at 10:12
Minimum humidity	56% on 03 at 14:48
Maximum pressure	30.050 in. on 03 at 00:36
Minimum pressure	29.860 in. on 03 at 23:59
Maximum windspeed	4.6 mph on 03 at 13:04
Maximum gust speed	8.1 mph from 218 °(SW) on 03 at 13:29
Maximum heat index	90.7°F on 03 at 14:31

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4 September Average and Extremes
Average temperature	75.9°F
Average humidity	72%
Average dewpoint	65.5°F
Average barometer	29.8 in.
Average windspeed	0.2 mph
Average gustspeed	1.0 mph
Average direction	154° (SSE)
Rainfall for month	1.49 in.
Rainfall for year	30.51 in.
Maximum rain per minute	0.02 in. on 04 at 04:58
Maximum temperature	86.0°F on 04 at 15:03
Minimum temperature	66.4°F on 04 at 23:09
Maximum humidity	86% on 04 at 07:16
Minimum humidity	46% on 04 at 14:47
Maximum pressure	29.870 in. on 04 at 00:09
Minimum pressure	29.800 in. on 04 at 18:09
Maximum windspeed	3.5 mph on 04 at 14:47
Maximum gust speed	9.2 mph from 044 °(NE) on 04 at 14:19
Maximum heat index	88.1°F on 04 at 11:15

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5 September Average and Extremes
Average temperature	71.5°F
Average humidity	68%
Average dewpoint	60.2°F
Average barometer	29.8 in.
Average windspeed	0.2 mph
Average gustspeed	0.9 mph
Average direction	156° (SSE)
Rainfall for month	1.49 in.
Rainfall for year	30.51 in.
Maximum rain per minute	0.00 in. on 05 at 23:59
Maximum temperature	82.9°F on 05 at 15:11
Minimum temperature	62.6°F on 05 at 06:53
Maximum humidity	84% on 05 at 00:35
Minimum humidity	49% on 05 at 15:14
Maximum pressure	29.890 in. on 05 at 23:59
Minimum pressure	29.780 in. on 05 at 04:52
Maximum windspeed	3.5 mph on 05 at 14:30
Maximum gust speed	8.1 mph from 229 °(SW) on 05 at 08:56
Maximum heat index	84.0°F on 05 at 15:11

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6 September Average and Extremes
Average temperature	65.7°F
Average humidity	73%
Average dewpoint	56.9°F
Average barometer	30.0 in.
Average windspeed	0.1 mph
Average gustspeed	0.5 mph
Average direction	155° (SSE)
Rainfall for month	1.49 in.
Rainfall for year	30.51 in.
Maximum rain per minute	0.00 in. on 06 at 23:59
Maximum temperature	75.2°F on 06 at 14:12
Minimum temperature	57.7°F on 06 at 23:47
Maximum humidity	84% on 06 at 23:59
Minimum humidity	60% on 06 at 14:05
Maximum pressure	30.040 in. on 06 at 23:55
Minimum pressure	29.880 in. on 06 at 04:55
Maximum windspeed	2.3 mph on 06 at 14:58
Maximum gust speed	3.5 mph from 215 °(SW) on 06 at 16:09
Maximum heat index	77.4°F on 06 at 14:12

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Average and Extremes for Month of September 2026 up to day 6
Average temperature	71.5°F; diff from climate av: +5.7°F
Average humidity	75%
Average dewpoint	62.9°F
Average barometer	29.939 in.
Average windspeed	0.2 mph
Average gustspeed	0.9 mph
Average direction	156° (SSE)
Rainfall for month	1.49 in.; diff from climate av. -2.13 in.
Rainfall for year	30.77 in.; diff from climate av. -3.72 in.
Maximum rain per minute	0.09 in on 02 at 16:04
Maximum temperature	86.0°F on 04 at 15:03
Minimum temperature	57.7°F on 06 at 23:47
Maximum humidity	86% on 04 at 07:16
Minimum humidity	46% on 04 at 14:47
Maximum pressure	30.14 in. on 02 at 11:26
Minimum pressure	29.78 in. on 05 at 04:52
Maximum windspeed	4.6 mph from 218°(SW) on 03 at 13:04
Maximum gust speed	9.2 mph from 180°(S) on 04 at 14:19
Maximum heat index	90.7°F on 03 at 14:31
Avg daily max temp	81.2°F
Avg daily min temp	64.4°F
Growing degrees days	169.0 GDD

Day, Sunshine Hours, ET, Max Solar, UV
01 00:48hrs	ET :0.05 in.	735.7 W/m²	7.0 uv
02 01:12hrs	ET :0.08 in.	694.9 W/m²	6.0 uv
03 03:30hrs	ET :0.10 in.	759.1 W/m²	7.0 uv
04 07:12hrs	ET :0.12 in.	781.2 W/m²	7.0 uv
05 04:54hrs	ET :0.09 in.	824.7 W/m²	8.0 uv
06 01:48hrs	ET :0.05 in.	801.7 W/m²	7.0 uv